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Journal articles on the topic 'Optical fiber communication'

Author: Grafiati

Published: 4 June 2021

Last updated: 31 July 2024

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1

Jihad, Noor J., and Murooj A. Abd Almuhsan. "Future trends in optical wireless communications systems: Review." Technium: Romanian Journal of Applied Sciences and Technology 13 (September 15, 2023): 53–67. http://dx.doi.org/10.47577/technium.v13i.9474.

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Optical fibers are frequently used in data transmission systems, Because of their ability to transmit large amounts of information and dielectric nature. In central, metropolitan, or broad-area applications, network topologies incorporating many wavelengths per optical fiber are utilized to connect thousands of users with a wide variety of transmission rates and capacities. The simultaneous transmission of many wavelengths over a fiber with a nm range of 1300 to 1600 is a potent characteristic of an Optical communication network. Wavelength division multiplexing (WDM) is a method for combining various wavelengths onto a single fiber. The WDM concept, when combined with optical amplifiers, produces communication lines that enable quick communication between users across national borders. An overview of the difficulties with fiber-optic communication is provided in this paper. The areas that will be most important for the development of optical communications in the future are outlined in this study. Modern optical fibers and integrated optics were both developed in the dominion of optical machinery and parts. Optical fiber communication systems are widely used for high-speed data transmission over long distances. There are some specific details and examples of optical fiber communication systems such as Fiber Optic Cables, Light Sources, optical modulator, optical amplifier, optical receivers, fiber optical network, medical applications.

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2

Bilal, Mehak. "EDFA and Optical Fiber Repositioning in an Optical Fiber Communication Network." International Journal for Research in Applied Science and Engineering Technology 9, no. 11 (November 30, 2021): 1100–1105. http://dx.doi.org/10.22214/ijraset.2021.38874.

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Abstract: This study shows an easy and effective design of an optical fiber communication system, which demonstrates EDFA's ideal position in the whole system. In recent years, erbium-doped fiber amplifiers (EDFAs) have been more attentive with the development of high-speed and long-distance data transmission systems. In our research, EDFA's forward pump capacity is maintained at 100mW, and our three configurations modify and analyze the location of EDFA. First configuration is meant to place EDFA before optical fiber in the entire system. The second arrangement has been intended such that EDFA will precede optical fiber. EDFA is inserted in the third configuration between the optical fiber length. For the three setups, the BER, Q factor and output power level were observed, with the setup one having minimal BER, setup two with the greatest power, and setup three with the maximum Q factor. This paper discusses the causes behind these results and designers may construct an optical fiber communication system in the most efficient and reliable fashion by taking those results into consideration. The simulation was performed in Opti-System software. Keywords: EDFA, BER, Q factor, Analyzer, Optical fibre

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3

Hang, Xinyu. "Research Progress and Development Trend of L+ Band Fiber Amplifier (1600-1650nm)." Highlights in Science, Engineering and Technology 72 (December 15, 2023): 632–37. http://dx.doi.org/10.54097/zdxah013.

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In the twenty-first century of scientific and technological development, with high-speed information processing, a large amount of information transmission and ultra-high-density storage space as the primary communication technology breakthrough target. Especially with the continuous development and advancement of optical fiber technology, optical fiber transmission occupies the primary position in information transmission. With the increasing demand for communication capacity and system expansion in long-distance optical fiber transmission systems, people are making more and more use of optical fiber bandwidth. At present, all of the full-band optical fibers are low-consumption windows, and in order to further develop and promote the field of optical fiber communications, the potential broadband should be used to facilitate people's lifestyles.With the rapid development of information and communication technology, the demand for higher transmission rates and larger capacity in optical fiber communication systems is increasing. As an emerging optical communication band, the L+ band (1600-1650nm) has attracted much attention because of its low fiber loss and high signal transmission capacity. This paper reviews the research progress and development trend of L+ band fiber amplifiers, including the basic principles, key technologies, performance characteristics and applications of optical communication amplifiers in this band. By combing and summarizing the existing research results, the development status and future trend of L+ band fiber amplifiers are revealed, and the potential application prospects of L+ band fiber amplifiers are discussed.

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4

NAKAGAWA, KIYOSHI. "Fiber optical communication technique." Review of Laser Engineering 21, no. 1 (1993): 163–66. http://dx.doi.org/10.2184/lsj.21.163.

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5

Kazovsky, Leonid. "Optical Fiber Communication Systems." Optical Engineering 36, no. 11 (November 1, 1997): 3223. http://dx.doi.org/10.1117/1.601135.

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6

Harris, M. S. "Optical fiber communication systems." Microelectronics Journal 28, no. 5 (June 1997): 601–2. http://dx.doi.org/10.1016/s0026-2692(97)80958-5.

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7

Mishra, Bajarang Prasad. "Dispersion Compensation in Optical Fiber using Fiber Grating." Journal of Advanced Research in Embedded System 07, no. 01 (March 26, 2020): 16–22. http://dx.doi.org/10.24321/2395.3802.202004.

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Optical Fiber Communication System is highly in demand because of several advantages namely Extremely High Bandwidth, Longer Distance, Low security Risk, Small Size etc. This system basically consists of Optical Transmitter, appropriate channel and Optical Receiver. Optical Fiber is generally used for the propagation of optical signals and in this fiber, Dispersion arises which acts as the main hindrance in Optical Fiber Communication. Dispersion is nothing but the time broadening of pulses because of the inherit property of the Silica Fiber that refractive index of the material depends upon the wavelength used. In this paper, Compensation of Dispersion is done using the FBG(Fiber Bragg Grating. FBG is a type of filter which passes few wavelengths and reflects rest of them. Stimulation is done on software named OPTISYSTEM 15. Simulation results are analyzed through Eye Diagram which gave us the values of MIN.BER and Q-Factor.

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8

Li, Jingyao. "The application of optical fiber in network communication." Applied and Computational Engineering 35, no. 1 (January 22, 2024): 141–46. http://dx.doi.org/10.54254/2755-2721/35/20230384.

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In recent years, optical fiber communication has gained widespread use in daily life due to its robust communication and transmission capabilities, strong confidentiality, anti-interference properties, and the availability of convenient and accessible materials. This technology has made remarkable strides in network communication and integrated device design, among other areas. This article will commence by discussing the fundamental structure of optical fibers and illustrating the propagation of optical signals within them. It will then analyze the benefits, such as higher transmission rates, wider frequency bands, and the low loss characteristics of optical fibers. Subsequently, the article will enumerate two of the most commonly utilized Optical Fiber Communication (OFC) technologies: Wavelength Division Multiplexing (WDM) technology and optical amplifier technology. It will summarize their principles and strengths. Finally, the article will showcase the practical applications of optical fiber communication, particularly focusing on its role in 5G mobile communication, military operations, and radio and television communication.

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9

Pant, Devesh, Dewesh Malik, and Deepak Dudeja. "Recent Progress in Fiber-Optic Communication." Journal of Advance Research in Electrical & Electronics Engineering (ISSN: 2208-2395) 1, no. 3 (March 31, 2014): 06–09. http://dx.doi.org/10.53555/nneee.v1i3.250.

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The most latest and advanced mode of data communication which involves, transmitting information from one place to another by flashing/sending pulses of light through an optical fiber can be termed as fiber optic communication. The light (the media of transmission) forms an electromagnetic carrier wave, modulated according to the carrier needs. The optical fibers have revolutionized the data comm.Industry by attaining higher data bit rate of communication speeds over 100 peta-bits per second using these modes of fiber optic communication only.

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10

Dasari, Anusha. "Optical Fiber Communication Evolution,Technology and Future Trends." Journal of Advance Research in Electrical & Electronics Engineering (ISSN: 2208-2395) 2, no. 8 (August 31, 2015): 28–35. http://dx.doi.org/10.53555/nneee.v2i8.181.

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Fiber optic systems are important telecommunication infrastructure for world-wide broadband networks. Wide bandwidth signal transmission with low delay is a key requirement in present day applications. Optical fibers provide enormous and unsurpassedtransmission bandwidth with negligible latency, and are now the transmission medium of choice for long distance and high data ratetransmission in telecommunication networks. This paper gives an overview of fiber optic communication systems including their keytechnologies, and also discusses their technological trend towards the next generation.

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11

Krivenko, Yu E., and E. I. Andreeva. "Traffic interception in fiber optical video-systems." Journal of Physics: Conference Series 2086, no. 1 (December 1, 2021): 012150. http://dx.doi.org/10.1088/1742-6596/2086/1/012150.

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Abstract In fiber-optic video systems, as well as in optical communication systems, standard single mode optical fibers (SSMF, standard G.652) are usually used. One of the advantages of these fibers is the ability to use CWDM in a wide spectrum. At the same time, more optimal near the wave-length of 1550 nm are provided by non-zero dispersion fiber (NZDSF, standard G.655) fibers. However, as studies have shown, these optical fibers have an increased sensitivity to bending. This fact can be used to traffic interception. It is shown that fiber-optics systems with SSMF have more protection from traffic interception than systems with NZDSF. To transmit a high-confidentiality video signal, special techniques, such as frequency modulation, can be used, or additional noise signals can be added.

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12

Nouchi, Pascale, Bruno Dany, Jean Florent Campion, Louis Anne de Montmorillon, Pierre Sillard, and Alain Bertaina. "Optical communication and fiber design." Annales Des Télécommunications 58, no. 11-12 (November 2003): 1586–602. http://dx.doi.org/10.1007/bf03001219.

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13

KIMURA, Tatsuya. "Optical Fiber Communication Research －－ Recollections." Review of Laser Engineering 38, no. 1 (2010): 49–52. http://dx.doi.org/10.2184/lsj.38.49.

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14

Xianglin, Yang, and Zhao Yang. "Optical fiber nonlinear soliton communication." Journal of Electronics (China) 7, no. 2 (April 1990): 152–62. http://dx.doi.org/10.1007/bf02778570.

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15

Arumugam, M. "Optical fiber communication—An overview." Pramana 57, no. 5-6 (November 2001): 849–69. http://dx.doi.org/10.1007/s12043-001-0003-2.

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16

Kartalopoulos, S. V. "Elastic bandwidth [optical-fiber communication]." IEEE Circuits and Devices Magazine 18, no. 1 (2002): 8–13. http://dx.doi.org/10.1109/101.981295.

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17

SASAKI, SHIGEKUNI. "Polyimides for Optical Communication Components." Sen'i Gakkaishi 50, no. 3 (1994): P102—P105. http://dx.doi.org/10.2115/fiber.50.3_p102.

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18

Kurokawa, Kenji. "Optical Fiber for High-Power Optical Communication." Crystals 2, no. 4 (September 28, 2012): 1382–92. http://dx.doi.org/10.3390/cryst2041382.

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19

Rida, Jafaar Fahad A. "A Survey of the Mechanisms Impairing Optical fiber communications performance." Journal of Electrical Systems 20, no. 5s (April 13, 2024): 2192–215. http://dx.doi.org/10.52783/jes.2581.

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The growth of information technology and Internet networks, combined with nearly daily use and many subscribers, has caused the volume of data stored in communication systems to balloon to enormous proportions. Optical fiber cable is the medium for data transfer because it has a bandwidth far more significant than other transmission methods and can span significantly greater distances. The transmission of information from one location to another can be accomplished via a technique known as fiber-optic communication. This involves passing pulses of light over an optical fiber. Optical fiber performance is affected by many effects, including attenuation, dispersion, scattering, and bending. It is feasible to enhance the performance of optical fibers for communications by utilizing carbon nanotubes and multiple coding technologies. This can be accomplished via integrated optical circuits or by making the cable more advanced and developing it further. Photosynthesis is accomplished by utilizing carbon tubes and the optical property inside them.

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20

Nishimura, Masayuki. "Optical fibers and fiber dispersion compensators for high-speed optical communication." Journal of Optical and Fiber Communications Reports 2, no. 2 (June 2005): 115–39. http://dx.doi.org/10.1007/s10297-004-0024-y.

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21

K.G., Tay, and Tiong W.K. "Method of Line Solution of Optical Soliton in Optical Communication System." Journal of Engineering and Science Research 6, no. 6 (December 30, 2022): 79–83. http://dx.doi.org/10.26666/rmp.jesr.2022.6.7.

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The performance of fiber-optic communication is constrained by the dispersive phenomenon of group velocity dispersion (GVD) and fiber non-linearity of self-phase modulation, but when these effects are balanced, a single wave or soliton is produced. A soliton can travel a great distance with constant speed. It is suitable for use in ultra-long-distance communication because of these unique features. The non-linear Schrodinger (NLS) equation describes the optical soliton propagation in optical fibers. By using the method of line (MOL) to solve the NLS equation, this study mimics the optical soliton propagation. It demonstrates that during simulations at 400 km, the optical soliton maintains its shape and amplitude.

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22

Mukherjee, Tilak. "Optical Fiber Communication System and Nonlinear Effects: A Brief Insight." Journal of Optical Communication Electronics 8, no. 2 (August 21, 2022): 14–18. http://dx.doi.org/10.46610/jooce.2022.v08i02.003.

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In the modern scenario, optical fiber communication technology has rapidly progressed with continuous exploration of emerging technologies to support more amount of bandwidth, higher data rate and improved security along with reduction in losses and electromagnetic immunity. Optical fiber communication system has remarkably low loss and is reliably capable of meeting the demand of massively increased information traffic employing a minimum number of repeaters in its performance link. In this paper, we discuss broadly optical fiber technology theory, types, working principle with its various merits and demerits in the application scenario. Single-mode graded index fiber has been analyzed in comparison to multi-mode fibers and it has emerged as the most efficient means of broad band signal transmission offering many distinct advantages. The possible consequences of both linear and nonlinear effects of the optical fiber and other limiting factors that influence the performance of propagation characteristics have been discussed which are reasonably relevant to the emerging areas of optical engineering ,photonics and related fiber optic devices.

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23

Li, Xinyu. "Simulation and Algorithm Optimization of a Bismuth-doped Optical Fiber Amplifier for the U-band (1650-1700 nm)." Highlights in Science, Engineering and Technology 72 (December 15, 2023): 90–96. http://dx.doi.org/10.54097/ezmcav47.

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Based on the current situation of tightening capacity of fiber optic communication systems, it has become a necessity to find new technologies to expand the range of bands for commercial fiber optic amplifiers. With the research on ytterbium, neodymium, erbium, and thulium ion-doped optical fibers in recent years, the short wavelength region (1100-1550 nm) band of optical communication has been developed, but doped optical fiber amplifiers in the long wavelength region (1650-1700 nm) are still immature. The paper reports the simulation and algorithmic optimization of a bismuth-doped optical fiber amplifier. Referring to the realistic experimental parameters, the theoretical optimal gain of 54.2697 dB was obtained by setting the center wavelength of 1550 nm pump source, 200 mW pump energy, and the center wavelength of 1650 nm signal source. Further, an adapted fiber length of 1 m and a doping concentration of 4.0248×1024 m-3 for the approximate optimal gain were obtained by the optimization algorithm. Moreover, the differences between the two optimization algorithms are compared and the reasons for the differences in the results are briefly analyzed.

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24

Nadeem, Iram, and Dong-You Choi. "Concentric Core Fiber Design for Optical Fiber Communication." Journal of information and communication convergence engineering 14, no. 3 (September 30, 2016): 163–70. http://dx.doi.org/10.6109/jicce.2016.14.3.163.

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25

Ali, Riyam Saadi, Ali Y. Fattah, and Mustafa D. Hassib. "The effects of optical fiber impairments on communication systems." Indonesian Journal of Electrical Engineering and Computer Science 28, no. 1 (October 1, 2022): 241. http://dx.doi.org/10.11591/ijeecs.v28.i1.pp241-253.

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In this paper, the influence of physical layer impairments on fiber optic channels was evaluated using analytical modeling, and the findings were verified through simulation results. Light propagation inside standard single mode fiber (SSMF) is affected by both linear and nonlinear effects, which must be taken into account in order to develop an appropriate fiber channel model. The use of nonlinear fiber optics in the implementation of highcapacity optical networks is crucial. The "Optisystem 17.0" software package was used to simulate the suggested systems. It can be observed that increased input power tends to increase the effect of cross-phase modulation (XPM) and four wave mixing (FWM) in the nonlinear dispersive fibers. The impact of pulse broadening due to chromatic dispersion (CD), self-phase modulation (SPM), and cross-phase modulation (XPM) was investigated using Gaussian pulses as input signals.

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Mohammed, Salim Qadir, and Asaad M. Asaad M. Al-Hindawi. "Study of Optical Fiber Design Parameters in Fiber Optics Communications." Kurdistan Journal of Applied Research 2, no. 3 (August 27, 2017): 302–8. http://dx.doi.org/10.24017/science.2017.3.52.

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Fiber optics is an important part in the telecommunication infrastructure. Large bandwidth and low attenuation are features for the fiber optics to provide gigabit transmission. Nowadays, fiber optics are used widely in long distance communication and networking to provide the required information traffic for multimedia applications. In this paper, the optical fiber structure and the operation mechanism for multimode and single modes are analyzed. The design parameters such as core radius, numerical aperture, attenuation, dispersion and information capacity for step index and graded index fibers are studied, calculated and compared for different light sources.

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Li, Hongsheng. "Optimal Design and Performance Study of Optical Fiber Raman Amplifier with Flat Gain." Journal of Nanoelectronics and Optoelectronics 14, no. 11 (November 1, 2019): 1634–42. http://dx.doi.org/10.1166/jno.2019.2677.

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Optical fiber communication is favored by many communication manufacturers because of its low interference, large capacity, long distance and low consumption. Extending the transmission distance of optical fiber communication system will result in attenuation loss. Therefore, it is necessary to improve the incident power of the initial optical fiber, but it will be affected by Raman scattering effect, thus reducing the performance of the overall optical fiber communication system. In order to overcome the above problems, Raman amplifier is used to pump high-power short-wavelength light wave and amplify long-wavelength and low-power signals, but the flattening of signal gain needs to be considered. In this study, the working principle of Raman amplifier is introduced, the Raman pump module is optimized, the system architecture of the module is studied, and the module circuit is designed. It mainly covers the structure design, driving circuit design and auxiliary circuit design of the module. In the experimental process, based on the transmission coupling equation of the fiber Raman amplifier, the distribution of pump and signal power on the fiber is calculated by numerical analysis. By optimizing the pump module, the gain flatness of the amplification system is optimized, and the signal gain of the whole fiber communication system is reduced by more than 80%. It proves that the optimal design of fiber Raman amplifier proposed in this study is effective and can achieve the overall stability of signal reception in the application of optical fiber communication system.

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Kumar Orappanpara Soman, Sunish. "A tutorial on fiber Kerr nonlinearity effect and its compensation in optical communication systems." Journal of Optics 23, no. 12 (November 22, 2021): 123502. http://dx.doi.org/10.1088/2040-8986/ac362a.

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Abstract The advent of silica-based low-cost standard single-mode fibers revolutionized the whole communication industry. The deployment of optical fibers in the networks induces a paradigm shift in the communication technologies used for long-haul information transfer. However, the communication using the optical fibers is affected by several linear and nonlinear effects. The most common linear effects are attenuation and chromatic dispersion, whereas the dominant nonlinear effect is the Kerr effect. The Kerr effect induces a power-dependent nonlinear distortion for the signal propagating in the optical fiber. The detrimental effects of the Kerr nonlinearity limit the capacity of long-haul optical communication systems. Fiber Kerr nonlinearity compensation using digital signal processing (DSP) techniques has been well investigated over several years. In this paper, we provide a comprehensive tutorial, including the fundamental mathematical analysis, on the characteristics of the optical fiber channel, the origin of the Kerr nonlinearity effect, the theory of the pulse propagation in the optical fiber, and the numerical and analytical tools for solving the pulse propagation equation. In addition, we provide a concise review of various DSP techniques for fiber nonlinearity compensation, such as digital back-propagation, Volterra series-based nonlinearity equalization, perturbation theory-based nonlinearity compensation, and phase conjugation. We also carry out numerical simulation and the complexity evaluation of the selected nonlinearity compensation techniques.

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29

Li, Fang Jian. "Analysis of the Wireless Optical Communication Technology and its Application." Applied Mechanics and Materials 687-691 (November 2014): 3579–82. http://dx.doi.org/10.4028/www.scientific.net/amm.687-691.3579.

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The wireless optical communication is a kind of broadband access technology, it can be said that it properly combined with the optical fiber and wireless communication technology. More to say, it is a powerful supplement of modern optical fiber communication. In this paper, based on the advantages of wireless optical communication technology, this paper introduces the wireless optical communication technology in the application of 2G network, 3G network and extends the application in backbone network, and analyzes the common problems and solutions in the wireless optical communication. With the advance of technology, the wireless optical communications technology development prospects will be more and more broad, is worthy of popularization and application.

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30

KIKUCHI, Kazuro. "Optical Fiber Communication System Using Optical Phase Conjugation." Review of Laser Engineering 24, no. 6 (1996): 649–55. http://dx.doi.org/10.2184/lsj.24.649.

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31

Marhic (†), Michel E., Peter A. Andrekson, Periklis Petropoulos, Stojan Radic, Christophe Peucheret, and Mahmoud Jazayerifar. "Fiber optical parametric amplifiers in optical communication systems." Laser & Photonics Reviews 9, no. 1 (September 30, 2014): 50–74. http://dx.doi.org/10.1002/lpor.201400087.

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32

Sharma, Er Abhishek, Er Sukhbir Singh, Er Rajeev Thakur, and Er Bhubneshwar Sharma. "Comparison of dispersion compensation with Fiber Braggs Grating at Transmitter and Receiver end of a single channel optical communication system." INTERNATIONAL JOURNAL OF COMPUTERS & TECHNOLOGY 8, no. 2 (June 25, 2013): 837–44. http://dx.doi.org/10.24297/ijct.v8i2.3395.

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Optical fibers are used to transmit the light signal in optical communication system. When the light pulses propagates down the fiber, the pulses spreading takes place, and this phenomenon is called Pulse Dispersion. Dispersion is the main factor which affects the performance of fiber in optical fiber communication system. Dispersion can be compensated by many ways. Dispersion compensation by FBG (fiber bragg grating) is studied in this paper. Dispersion compensation by FBG along EDFA plays a very important role in dispersion compensation. When FBG is used after EDFAÂ at transmitter side (before fiber)in single channel optical communication system then it gives better performance (less BER) as compare to when FBG used after EDFA at receiver end (after fiber). In this paper performance of system is investigated by using FBG after EDFA at both transmitter side (before the fiber) and receiver side (after the fiber). For 50km BER reduces from 1.28559e-111 (FBG after EDFA at receiver side) to 9.57499e-201 (FBG after EDFA at transmitter side).

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Guo, Yun Fei, Wen Feng Tian, and Shi Dong Liu. "Application Research of Ultra-Long Span Optical Communication Technique in Power Emergency Communication." Applied Mechanics and Materials 602-605 (August 2014): 3029–34. http://dx.doi.org/10.4028/www.scientific.net/amm.602-605.3029.

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This paper presents a power emergency communication solution based on long distance optical fiber communication technology. It use a portable ultra-long span optical amplifying device composed by optical components, by configuring different optical amplification scheme, using redundancy fiber to set up a new transport channel quickly, it achieve the function of emergency communication. Specific configurations are proposed for 2.5G and 10G SDH optical transmission system, and conducted field test and validation. The solution is flexible to configure and easy to install, it provides a convenient emergency communication solution for fast failure recovery of fiber line interruption, damage of relay stations, and fiber aging in electric system.

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PRACHI, AGRAWAL, and SRIVASTAVA SHARAD MOHAN. "Advancement Towards Communication: Optical Fiber Technology." i-manager's Journal on Communication Engineering and Systems 5, no. 2 (2016): 1. http://dx.doi.org/10.26634/jcs.5.2.5959.

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35

HE, Wei, and Shaohua YU. "Latest survey on optical fiber communication." SCIENTIA SINICA Informationis 50, no. 9 (September 1, 2020): 1361. http://dx.doi.org/10.1360/ssi-2020-0093.

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36

Duan, Min. "Optical Fiber Communication Technology and Its Application in Power Communication." Journal of Education, Teaching and Social Studies 5, no. 4 (November 23, 2023): p87. http://dx.doi.org/10.22158/jetss.v5n4p87.

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In the background of the rapid development of China's power communication industry, the development level of optical fiber communication technology is constantly improving, which reflects the higher application value in the power communication system. Giving full play to the role of optical fiber communication technology can effectively improve the operating efficiency of power communication system, fully meet the actual needs of our people, and provide favorable support for the social development of our country. In view of this, this paper analyzes the application of optical fiber communication technology in power communication, hoping to provide an effective reference for the further development of power communication industry.

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Haque, Md Ashraful, Mohd Azman Zakariya, Narinderjit Singh Sawaran Singh, Liton Chandra Paul, and Md Fatin Ishraque. "Investigation of coupling loss caused by misalignment in optical fiber." Bulletin of Electrical Engineering and Informatics 12, no. 3 (June 1, 2023): 1560–69. http://dx.doi.org/10.11591/eei.v12i3.4552.

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In a fiber optic communication system, optical fiber is used as a transmission medium consisting of a flexible filament that guides the optical signal to be transmitted from the transmitter to the receiver or vice versa. Like any other communication medium, the optical fiber cable faces some losses that can be caused by the material and length of the fiber. One of the main reasons for losses in optical communication systems is misalignment during the fiber to fiber joining process. This type of loss is also known as coupling loss, which is caused by an imperfect physical connection between two fibers. The coupling losses are most often caused by three misalignment issues: end gap displacement, lateral displacement, and angular displacement. The main goal of this article is to investigate coupling loss caused by misalignment in optical fiber using the Modicom 6 module. Before we can find a way to reduce the coupling losses in the fiber optic system, we need to have a concrete idea about the nature of coupling losses due to misalignment. An ideal fiber coupler should not lose light and should be insensitive to light dispersion.

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Shikoski, Jovan, Rumen Arnaudov, and Tinko Eftimov. "Photonic powering of sensors with bidirectional communication along a single fiber." Photonics Letters of Poland 12, no. 1 (March 31, 2020): 7. http://dx.doi.org/10.4302/plp.v12i1.919.

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In this paper we propose and study simultaneous transmission of photonic power and bidirectional communication to and from sensors via 840/1310 nm WDMs. The photovoltaic converter is used both for power conversion and data transfer from the high power laser at 808nm up to 1Mb/s while the 1310nm link can be up to 155 Mb/s.Full Text: PDF References:J.C.V.da Silva, E.L.A.S.de Souza, V.Garcia, J.B.Rosolem, C.Floridia, M.A.B.Sanches, "Design of a Multimode Fiber Optic Cable to Transmit Optical Energy for Long Reach in PoF Systems", Proceedings of the 63rd IWCS Conference, International Wire & Cable Symposium, Shrewsbury, PA, USA, 2014, pp.832-839. [CrossRef]J.B. Rosolem, E.K.Tomiyama, D.C.Dini, F.R.Bassan, R.S.Penze, A.A.Leonardi, C. Floridia, J.P.Fracarolli, R.M.Teixeira, "A fiber optic powered sensor designed for partial discharges monitoring on high voltage bushings". Proc. of SBMO/IEEE MTT‐S International Microwave and Optoelectronics Conference (IMOC); 3-6 Nov. 2015; Porto de Galinhas, Brazil, pp. 1-5. [CrossRef]T.C. Banwell, R.C.Estes, L.A.Reith, P.W.Shumate, E.M.Vogel, "Powering the fiber loop optically - a cost analysis", IEEE J. of Lightwave Techn., Vol. 11, No. 3, pp. 481-494, 1993. [CrossRef]M. Dumke, G. Heiserich, S. Franke, L. Schulz, and L. Overmeyer, "Power Transmission by Optical Fibers for Component Inherent Communication", Systemics, Cybernetics And Informatics, Vol.8, No.1, pp. 55-60, (2010) [DirectLink]C. Gao, J. Wang, L. Yin, J. Yang, J. Jiang, H. Wan, Optically Powered Active Sensing System for Internet Of Things, Proc. SPIE 9270, Optoelectronic Devices and Integration V, 927016 (24 October 2014) [CrossRef]J. Yan, J. Wang, Y. Lu, J. Jiang, H. Wan, Novel Wireless Sensor System Based on Power-over-Fiber Technique, 14th Int. Conf. on Optical Comm. and Networks (ICOCN) 3-5 July 2015, Nanjing, China, 15382393 [CrossRef]Böttger, G.; Dreschmann, M.; Klamouris, C.; Hü bner, M.; Röger, M.; Bett, A. W.; Kueng, T.; Becker, J.; Freu de, W.; Leuthold, J.: An Otically Powered Video Camera Link. IEEE Photonics Technology Letters, Vol. 20, No. 1, pages 39-41, 2008. [CrossRef]M. Matsuura and J. Sato, Bidirectional Radio-Over-Fiber Systems Using Double-Clad Fibers for Optically Powered Remote Antenna Units, IEEE Photonics J., Vol. 7, No. 1, 2015, 7900609 [CrossRef]J. Wang, Q. Li, J. Yan, Y. Ding, Y. Lu, Y. Zhang, H. Wan, Power-Over-Fiber Technique based Sensing System for Internet оf Things, 15th International Conference on Optical Communications and Networks (ICOCN), Hangzhou, China, Sep. 24-27, 2016. [CrossRef]S. Kartalopoulos, Optical Bit Error Rate: An Estimation Methodology (2004) Willey- IEEE Press. [CrossRef]J. Shikoski, R. Arnaudov, and T. Eftimov, A study of the frequency characteristics of a photovoltaic convertor РРС-4Е, Photonics Letters of Poland, Vol. 10(3), (2018), pp. 70-72 [CrossRef]J. B. Rosolem, Optical Fiber and Wireless Communications, Ed. by R. Róka, Ch. 13, Power‐Over‐Fiber Applications for Telecommunications and for Electric Utilities, Intech Open Ltd, London, 2017, pp.255-278. [CrossRef]

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Fang, Zhou, Li Jia Zhang, Bo Liu, and Yong Jun Wang. "Optimal Design of High-Speed Optical Fiber Communication System Spectral Efficiency of New Modulation Formats." Applied Mechanics and Materials 687-691 (November 2014): 3666–70. http://dx.doi.org/10.4028/www.scientific.net/amm.687-691.3666.

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As human society to the information in the process of moving and growing demand for bandwidth communications capacity, the optical of new modulation formats increasingly attention and quickly play an important role in optical communications. How can the system bit error rate within a certain degree of stability while still maintaining high-speed long-distance dispersal system, has been a popular issue is the optical communications industry. Starting from the optical modulation format herein, the generation process of the system introduced various optical signal modulation format, the optical signal through the optical fiber was studied and the performance of the simulation, on the basis of the design of advanced optical modulation formats in an optical fiber communication system .

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Gao, Demei. "Artificial Intelligence Technology in Optical Fiber Communication Engineering." Journal of Physics: Conference Series 2143, no. 1 (December 1, 2021): 012022. http://dx.doi.org/10.1088/1742-6596/2143/1/012022.

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Abstract Optical fiber communication engineering as a kind of “wired” optical communication mode which uses light wave as carrier and optical fiber as transmission medium to transmit information from one place to another, especially optical fiber has a special position in the communication industry due to its unique advantages of wide transmission frequency band, high anti-interference and small signal attenuation. It has important practical value for the deep research of the area setting and protection of optical fiber and cable in the optical fiber communication engineering. However, at present, there is no complete management system in the aspects of hardware processing, fiber optic cable protection and the guarantee of the introduction of related talents, so it is urgent to innovate and develop the existing path. Based on this, this paper first analyzes the problems of optical fiber guarantee in the intelligent technology system construction of optical fiber technology in the field of communication engineering, and then puts forward the construction strategy of intelligent protection and breakthrough technology in optical fiber communication technology system.

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Varshney, Aarti, and Vishal Goyal. "Fiber Optics Communication: Evolution of Guided Media." International Journal for Research in Applied Science and Engineering Technology 12, no. 1 (January 31, 2024): 959–69. http://dx.doi.org/10.22214/ijraset.2024.58076.

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Abstract: Fiber Optic Communication system is a key element in modern day telecommunication network used all around the globe. Larger bandwidth signal transmission where data received with lowest possible delay serves as a big edge to both, the telecommunication industry and consumer. Recently, optical fiber communication technology has made great progress, where constantly exploring new technologies has greatly enhanced communications capabilities in the traditional sense. This paper gives an overview of fiber optic communication systems including their key technologies, and also discusses their technological trend towards the next generation. The recent developments in the area of fiber optic communication as well as the advances in different Fiber types, their properties, optical sources, detectors, system limitations and applications are also discussed in the paper.

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Jia, Yan Fei, and Li Quan Zhao. "Design and Implementation of Optical Fiber Line Auto Switch Protection for Power System." Advanced Materials Research 614-615 (December 2012): 949–52. http://dx.doi.org/10.4028/www.scientific.net/amr.614-615.949.

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To overcome the problem that the artificial scheduling can not deal with optical fiber switching in time when optical fiber is broken or damage in power system, we designed an optical fiber line auto switch protection system. The system used six 4x4 optical switches to compose an optical switch array that eight working fibers can share four alternate fibers. Comparing with other system, the new system more effectively utilizes alternate fibers, and is more suitable for practical power system. It used single chip microcomputer as control chip of optical switch, when the received optical power is lower than predefined threshold, the control chip will control the optical switch to alternate fiber line in time to ensure the real time and reliability of optical fiber communication. In the same time, the new system can communicate with host computer to alarm, display fault optical fiber line and remote control, and be controlled by button to realize the manual switch of optical fiber line.

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Ali, Alaa Husein, and Raed Khalid Ibrahim. "Enhancement of single-mode optical fiber quality factor-bit error rate by using uniform fiber Bragg grating." Indonesian Journal of Electrical Engineering and Computer Science 27, no. 1 (July 1, 2022): 336. http://dx.doi.org/10.11591/ijeecs.v27.i1.pp336-346.

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The properties of optical fibers transmission systems based on Bragg gratings and uniform fibers, which are discussed in detail in this paper. Two - fiber optic communication channels Bragg gratings are used, along with Optisystem software for simulations. It is widely used in a variety of optical communication systems, such as, dispersion compensators, band filters, amplifiers and in - fiber sensors or fiber grating lasers, because of its versatility. In this design, the distance has been changed from 10 km up to 100 km, as well as the input power from 2 dBm to 16 dBm, and the calculation of both the bit error rate (BER) and quality (Q) f actor at the receiver could be studied by modelling the model of a communication system and employing the syste m's most suited settings, such as fiber cable length (km) and input power (dBm).

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Chowdhury, Prosenjit Roy. "Study on Coupling of Step and Graded Index Single Mode Optical Fiber Considering the Transverse Misalignment." Science & Technology Journal 8, no. 2 (July 1, 2020): 78–82. http://dx.doi.org/10.22232/stj.2020.08.02.12.

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"Advance design and day to day up-gradation of communication system is the requirement of international telecommunication. The optical communication systems involve the effective fiber coupling or splicing to meet the need of long communication channel. When the studies on both the intensive and extensive properties of optical fiber are exploring new research horizons, the effectiveness of such systems can be calibrated with transmission parameters like transmitted fractional power, which is a function of ‘spot size’ as well. Our study of fiber junctions based on fundamental parameters like wavelength, fiber profile index etc. has touched some unrevealed areas and explored some interesting results. The profile index of optical fiber has received less attention compared to other structural parameters of optical fiber but our study at important wavelengths for different profiles has shown that the less-used fiber profiles has some interesting premier outcomes, which can introduce some significant impact on optical fiber based system design and engineering. We have observed almost frequency or wavelength independent transmitted fractional power around the most used 1.55 micrometer wavelengths at some rarely used fiber profile index. Our study predicts the best and worst fiber profiles for transmitted fractional power (T ), at the same time, we have observed the fiber profile index independent region for a band of ‘T’ values. The reporting and its approach are found to be premier in this field. So, our work is reporting a comparison of effective fiber-to-fiber coupling, based on fiber profile index of different fibers. It is also giving a clear view of the wavelength dependency of effective fiber coupling for different fibers having wide range of graded fiber profiles."

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Zhou, Xinyu. "Machine-Learning-Assisted Optical Fiber Communication System." Highlights in Science, Engineering and Technology 27 (December 27, 2022): 630–38. http://dx.doi.org/10.54097/hset.v27i.3826.

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With the development of software-defined networking and coherent transmission, to name only a couple of emerging technical and technological areas, optical networks have rapidly expanded during the past few years. To handle with the enormous increment, several sections of optical transmission networks have been addressed via machine learning. Techniques such as support vector machine and KNN algorithms are widely used in fiber-induced nonlinear mitigation, which can cause enormous financial loses if the problem is not solved properly. Optical performance monitoring is another essential area in optical networks, which often adopts multitasking, while failure management, where anomaly detection takes place, rely on both supervised and unsupervised learning methods. The overview includes a brief synopsis of four types of learning methods, including supervised learning, unsupervised learning, semi-supervised learning and reinforcement, as well as the most recent advancements in methodologies used in optical fibre communication. At the end of the analysis, it is demonstrated that ML algorithms are selected based on the challenges present and we have to consider multiple factors when choosing a suitable algorithm. The combination of the two fields brings prosperity to each other.

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VANWIGGEREN, GREGORY D., and RAJARSHI ROY. "CHAOTIC COMMUNICATION USING TIME-DELAYED OPTICAL SYSTEMS." International Journal of Bifurcation and Chaos 09, no. 11 (November 1999): 2129–56. http://dx.doi.org/10.1142/s0218127499001565.

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We discuss experimental demonstrations of chaotic communication in several optical systems. In each, an erbium-doped fiber ring laser (EDFRL) produces chaotic fluctuations of light intensity onto which is modulated a message consisting of a sequence of pseudorandom digital bits. This combination of chaos and message propagates at a wavelength of ~ 1.5 microns through standard single-mode optical fiber from the transmitter to a receiver, where the message is recovered from the chaos. We present evidence of the high-dimensional nature of the chaotic waveforms and demonstrate chaotic communications through 35 km of single-mode optical fiber at up to 250 Mbit/s, a rate that is, at present, limited only by the speed of our detector electronics.

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P., Karrupusamy. "MIMO BASED HIGH SPEED OPTICAL FIBER COMMUNICATION SYSTEM." December 2019 2019, no. 02 (December 29, 2019): 107–16. http://dx.doi.org/10.36548/jei.2019.2.006.

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As the telecommunication services totally relies on the optical fiber for extending communications, it necessary that the optical communication system be capable of handling high speed, multiple channels and long haul signal transmission. recently the emergence of the optical coherent 100 GB/s and the digital signal processing has made possible the perfect signal transmission even for the MIMO (multiple input multiple output system) as they are well reformed to permit multiple wireless signal that holds different carrier frequencies. So the optical fiber system has become prominent among the applications like, large universities, banks and other private networks. However the speed in the transmission of the multiple wireless signals through single cable experiences performance issues in terms of speed, so the proposed method utilizes the 60 GHz, radio over fiber MIMO with effective spectrum allocation and the return zero differential phase shift keying to improve the communication speed and suppress the crosstalk respectively. The proposed system enriches the seamless communication with the QPSK-OFDM MIMO channels achieving 85 % in the data transmission rate, reducing the error correction rate to 5%.

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Song Yang, Song Yang, Xiaoguang Zhang Xiaoguang Zhang, Lixia Xi Lixia Xi, and Donghe Zhao Donghe Zhao. "Analysis and application of fiber bending in high-speed optical communication." Chinese Optics Letters 12, s1 (2014): S10601–310602. http://dx.doi.org/10.3788/col201412.s10601.

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Sharma, Er Abhishek, Er Sukhbir Singh, and Er Bhubneshwar Sharma. "Dispersion Compensation In Optical Communication - A Review." INTERNATIONAL JOURNAL OF COMPUTERS & TECHNOLOGY 4, no. 3 (April 30, 2013): 742–54. http://dx.doi.org/10.24297/ijct.v4i3.4202.

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Dispersion is defined as - the phenomenon in an optical fiber whereby light photons arrive at a distant pointÂ in the different phase then they entered the fiber. Dispersion causes signal distortion that ultimately limits the bandwidth and usable length of the fiber cable. Therefore dispersion compensation (management) becomes an essential part to study in optical communication for better transmission. In this paper we have reviewed the various techniques (schemes) that are used for dispersion compensation.

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Chen, Chaoyue. "Research on Adaptive Reverse Design Method of Integrated Optical Fiber Communication System." Transactions on Computer Science and Intelligent Systems Research 1 (October 12, 2023): 1–6. http://dx.doi.org/10.62051/ndem1f81.

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The vigorous development of network technology promotes the progress of communication transmission technology, and the progress of communication transmission technology also drives the development of network technology. Optical fiber communication technology is widely used in communication industry because of its strong anti-interference ability, fast transmission speed and large amount of information. With the explosive growth of network data traffic in recent years, the transmission capacity of optical fiber communication has been continuously improved, coherent optical communication technology has developed rapidly, the trend of intelligence, grouping and broadband has become more and more obvious, and new photoelectric devices have been continuously developed and used. Optical fiber communication technology is undergoing tremendous changes and will become more important. In this paper, the application of optical fiber communication transmission technology is discussed in detail, and an adaptive reverse design method of integrated optical fiber communication system is proposed in order to promote the rapid development of optical fiber communication transmission technology.

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