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Relevant bibliographies by topics / DWDM (Dense Wavelength Division Multiplexing)

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Journal articles

Academic literature on the topic 'DWDM (Dense Wavelength Division Multiplexing)'

Author: Grafiati

Published: 4 June 2021

Last updated: 3 February 2022

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Journal articles on the topic "DWDM (Dense Wavelength Division Multiplexing)"

1

Dewi, Arkidianabela Anggara, Teguh Prakoso, and Aghus Sofwan. "ARRAYED WAVEGUIDE GRATING PADA DENSE WAVELENGTH DIVISION MULTIPLEXING." TRANSIENT 7, no. 1 (2018): 179. http://dx.doi.org/10.14710/transient.7.1.179-185.

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DWDM (Dense Wavelength Division Multiplexing) adalah suatu teknik multiplexing yang mampu mentransmisikan lebih dari 400 panjang gelombang dalam satu serat optik. Laju pengiriman data menggunakan media serat optik dapat mencapai 1 Tbps atau 1.000 Gbps. DWDM merupakan suatu perbaikan dari WDM. Inti perbaikan yang dimiliki oleh teknologi DWDM terletak pada jenis filter, serat optik dan penguat amplifier. Jenis filter yang umum dipergunakan salah satunya adalah Array Waveguide Grating (AWG). Pada Penelitian ini dianalisis kinerja suatu Array Waveguide Filters (AWG) yang mampu digunakan pada DWDM. Pada Penelitian ini dilakukan dengan menggunkan 2 software. Pertama, menggunakan software Optisystem 7 untuk memodelkan sistem DWDM. Kedua, menggunakan software OptiBPM untuk verifikasi AWG. Pada Optisystem didapatkan nilai konfigurasi DWDM yang optimal yaitu pada C Band dengan spasi kanal 50GHz dan jumlah wavelength 64. Sedangkan pada OptiBPM didapatkan untuk konfigurasi DWDM tersebut diperlukan AWG dengan dengan sudut orientasi 53 derajat, panjang FSR 1500um, lebar angular 11,4 derajat dengan ukuran 15000x10000um sehingga didapatkan nilai BER, Q-factor dan crosstalk yang memiliki perbedaan namun telah mencapai kriteria yaitu dengan Q factor antara 8,43 sampai dengan 14,09 sedangkan untuk BER dari 1,719x10-40 sampai dengan 1,19x10-17 dan crosstalk antara -149 dB sampai dengan -40,8 dB.

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2

KASAHARA, Ken'ichi. "Laser Sources for Dense Wavelength Division Multiplexing (DWDM)." Review of Laser Engineering 30, no. 1 (2002): 4. http://dx.doi.org/10.2184/lsj.30.4.

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3

Murianti, Diana, Teguh Prakoso, and Aghus Sofwan. "FBG (FIBER BRAGG GRATING) UNTUK DWDM (DENSE WAVELENGTH DIVISION MULTIPLEXING)." TRANSIENT 7, no. 1 (2018): 77. http://dx.doi.org/10.14710/transient.7.1.77-82.

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Pada era modern ini, tuntutan kebutuhan masyarakat akan layanan komunikasi semakin meningkat. Kebutuhan tersebut meliputi layanan video, suara dan data. Penambahan kapasitas ini dapat dilakukan dengan menggunakan teknologi Dense Wavelength Division Multiplexing (DWDM). Salah satu perangkat yang digunakan teknologi DWDM yaitu Optical Add/Drop Multiplexer (OADM). OADM digunakan untuk melewatkan sinyal dan melakukan fungsi add dan drop. Salah satu perangkat yang mendukung untuk membantu kerja dari OADM adalah Fiber Bragg Grating (FBG). Tujuan pembuatan Penelitian ini adalah mendapatkan parameter desain FBG yang terbaik untuk jaringan DWDM berdasarkan nilai crosstalk, Q factor, dan Bit Error Rate (BER) guna memperoleh konfigurasi jaringan DWDM yang optimal. Pada Penelitian ini dilakukan dengan menggunakan dua software. Pertama, menggunakan software Optisystem 7 untuk memodelkan sistem. Kedua, menggunakan software Optigrating 4.2.3 untuk verifikasi FBG. Parameter desain FBG yang terbaik yaitu dengan panjang grating 18600 um. Berdasarkan hasil ko-simulasi, nilai rata–rata BER hasil simulasi menggunakan FBG Optisystem adalah 1,19x10-15, sedangkan saat menggunakan FBG Optigrating adalah 4,15x10-15. Nilai rata – rata Q Factor hasil simulasi menggunakan FBG Optisystem adalah 8,43, sedangkan saat menggunakan FBG Optigrating adalah 8,18. Nilai rata – rata crosstalk hasil simulasi menggunakan FBG Optisystem adalah -39,63 dB, sedangkan saat menggunakan FBG Optigrating adalah -39,72 dB.

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4

Janagal, Mamta, Gurpreet Kaur, Varinder Mandley, and Tanvi Sood. "Investigation the Effect of Channel Spacing for Long Distance Communication." CGC International Journal of Contemporary Technology and Research 2, no. 1 (2019): 45–47. http://dx.doi.org/10.46860/cgcijctr.2019.12.20.45.

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In this paper, the impact of different channel spacing on proposed system setup is investigated for long distance communication. This wavelength division multiplexing (WDM), dense wavelength division multiplexing (DWDM) and ultradense wavelength division multiplexing (UDWDM) is evaluated by considering the signal quality factor, bit error rate, optical gain, and received power for different signal input power and for distance. It is observed that at -5 dBm of signal input power the system covers 130 km with acceptable BER (10-8) and Q-factor (14dB).

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5

Abolade, Robert Oluwayimika, Oluwaseun Olayinka Tooki, and David Oluwagbemiga Aborisade. "REVIEW ARTICLE ON THE MITIGATION OF FOUR WAVE MIXING IN OPTICAL COMMUNICATION SYSTEM." FUTA JOURNAL OF ENGINEERING AND ENGINEERING TECHNOLOGY 15, no. 1 (2021): 53–65. http://dx.doi.org/10.51459/futajeet.2021.15.1.266.

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The main challenge faced in today's telecommunication is the ever increasing demand for bandwidth and data rates. The desire to expand the capacity of fiber optic communication to accommodate this demand accelerated the development of high capacity Dense Wavelength Division Multiplexing (DWDM) transmission equipment. However, nonlinear impairments are the fundamental limiting mechanisms to the amount of data that can be transmitted in DWDM. In DWDM, Four Wave Mixing is the most critical of nonlinear effects in fibre optics communication. This effect limits the DWDMâ€™s channel capacity. There are numerous researches on nonlinear impairments that show the intricacy of FWM phenomena in DWDM system. This article present review of the several measures which have been carried out by researchers to overcome nonlinear effects in DWDM. Such measures include Modulation Formats, Channel Spacing, Channel Shuffling Algorithm and Electro-Optic Phase Modulation. The review provides insight into the methods, parameters and approaches used by other researchers. This will pave way for can thus lead to significant improvement in the design of DWDM system.

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6

Moreno-Pérez, José, Belén Melián-Batista, and Manuel Laguna. "Scatter search based met heuristic for robust optimization of the deploying of "DWDM" technology on optical networks with survivability." Yugoslav Journal of Operations Research 15, no. 1 (2005): 65–77. http://dx.doi.org/10.2298/yjor0501065m.

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In this paper we discuss the application of a met heuristic approach based on the Scatter Search to deal with robust optimization of the planning problem in the deploying of the Dense Wavelength Division Multiplexing (DWDM) technology on an existing optical fiber network taking into account, in addition to the forecasted demands, the uncertainty in the survivability requirements.

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7

Balaji, Venkatachalam Rajarajan, Mahalingam Murugan, and Savarimuthu Robinson. "Optimization of DWDM Demultiplexer Using Regression Analysis." Journal of Nanomaterials 2016 (2016): 1–10. http://dx.doi.org/10.1155/2016/9850457.

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We propose a novel twelve-channel Dense Wavelength Division Multiplexing (DWDM) demultiplexer, using the two-dimensional photonic crystal (2D PC) with square resonant cavity (SRC) of ITU-T G.694.1 standard. The DWDM demultiplexer consists of an input waveguide, SRC, and output waveguide. The SRC in the proposed demultiplexer consists of square resonator and microcavity. The microcavity center rod radius (Rm) is proportional to refractive index. The refractive index property of the rods filters the wavelengths of odd and even channels. The proposed microcavity can filter twelve ITU-T G.694.1 standard wavelengths with 0.2 nm/25 GHz channel spacing between the wavelengths. From the simulation, we optimize the rod radius and wavelength with linear regression analysis. From the regression analysis, we can achieve 95% of accuracy with an average quality factor of 7890, the uniform spectral line-width of 0.2 nm, the transmission efficiency of 90%, crosstalk of −42 dB, and footprint of about 784 μm2.

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8

Payal, Suresh Kumar, and Deepak Sharma. "Performance Analysis of NRZ and RZ Modulation Schemes in Optical Fiber Link Using EDFA." International Journal of Advanced Research in Computer Science and Software Engineering 7, no. 8 (2017): 161. http://dx.doi.org/10.23956/ijarcsse.v7i8.45.

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Dense Wavelength Division Multiplexing (DWDM) is the current area of interest to exploit the bandwidth offered by optical fiber to enhance the data rate requirements. In the present paper analysis of DWDM system using Erbium Doped Fiber Amplifier (EDFA) is carried out in C-band. The 32-channel Wavelength Division Multiplexing (WDM) system, with a high-performanceflowrate of 10 Gbps, has been evaluated. The performance of Return to Zero (RZ) and Non-Return to Zero (NRZ) modulation formats in an optical communication system are investigated by modeling an optical fiber link using software OPTISYS V14. According to the modulated outputs, a comprehensive comparison in terms of Q factor is developed to establish the advantages and disadvantages of the code formats NRZ and RZ in short and long haul optical fiber communication system. Optimum results of Bit Error Rate (BER) and Q-factor are obtained for 60, 80 and 100km of fiber length. Pumping is discussed at 980nm and 1480nm.

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9

Muñoz Castro, Geovanny Andrés. "DWDM Networks When Using Raman Configurations with DCF Fibers." Sistemas y Telemática 15, no. 41 (2017): 27–43. http://dx.doi.org/10.18046/syt.v15i41.2454.

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In this paper, the basic theoretical foundations regarding a DWDM [Dense Wavelength Division Multiplexing] network when using Raman configurations with DCF [Dispersion Compensation Fiber] are studied, through the revision of: linear effects, such as noise, loss, chromatic dispersion and PMD [Polarization Mode Dispersion]; and nonlinear effects, such as Self-Phase Modulation [SPM], Cross-Phase Modulation [XPM] and Four-Wave Mixing [FWM], compared to Optical Monitoring Parameters [OPM].

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10

Pornsuwancharoen, N., M. Tasakorn, and S. Jurajaturasiraratn. "DWDM of Optical Micro Ring Resonator Double Add/Drop Multiplexing for THz Optical Communication." Advanced Materials Research 770 (September 2013): 390–93. http://dx.doi.org/10.4028/www.scientific.net/amr.770.390.

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A system that can be used to generate the new optical communication bandwidths using a Gaussian pulse propagating within a nonlinear microring resonator double add/drop multiplexing system is discussed. By using the wide range of the Gaussian input pulses, for instance, when the input pulses of the common lasers with center wavelength of 1,500 nm are used. Results obtained shows that more available wavelength bands from the optical communication band can be generated, which can be used to form new dense wavelength division multiplexing bands, whereas the use of the very high capacity more than 200 channels for personal wavelength and network applications is plausible.

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