Log in

Relevant bibliographies by topics / Fiber laser amplifier / Journal articles

To see the other types of publications on this topic, follow the link: Fiber laser amplifier.

Journal articles on the topic 'Fiber laser amplifier'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles

Select a source type:

Consult the top 50 journal articles for your research on the topic 'Fiber laser amplifier.'

Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.

You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.

Browse journal articles on a wide variety of disciplines and organise your bibliography correctly.

1

Guan, Biao, Fengping Yan, Wenguo Han, et al. "High-Power, Narrow-Linewidth, Continuous-Wave, Thulium-Doped Fiber Laser Based on MOPA." Photonics 10, no. 4 (2023): 347. http://dx.doi.org/10.3390/photonics10040347.

Full text

Abstract:

A high-power, narrow-linewidth, continuous-wave, thulium-doped fiber laser (TDFL) based on a master-oscillator power-amplifier (MOPA) was experimentally demonstrated. The main oscillator (seed source) yielded 0.64 W of narrow-linewidth laser output at a central wavelength of 1940.32 nm and a 3 dB spectral bandwidth of 0.05 nm. The output narrow-linewidth laser from the main oscillator was amplified by two-stage, cladding-pumped, thulium-doped, all-fiber amplifiers. The main amplifier yielded 26 W of narrow-linewidth laser at a central wavelength of 1940.33 nm. The slope efficiency of the main

APA, Harvard, Vancouver, ISO, and other styles

2

Sultana, Nasrin, and Abubakar Siddik. "Characterization of Visible Range Gain in Praseodymium Doped Fiber Amplifier." International Journal of Research and Review 11, no. 1 (2024): 140–46. http://dx.doi.org/10.52403/ijrr.20240115.

Full text

Abstract:

In the optical (380-700 nm) region, a simulation study was conducted to assess the low-signal gain, power conversion efficiency (PCE), and optical output power of a praseodymium-doped fiber optic amplifier (PDFA). The PDFA performance was assessed using the optimized Pr3+ fiber length, Pr3+ ion concentration, and pump power. Additionally, the effects of input signal voltage and amplifier gain on amplified spontaneous emission (ASE) were investigated. A lower peak signal of roughly 1 dB at 635 nm was obtained with a shorter 5 m Pr3 + doped fiber and a higher pump power of 300 mW. The impact of

APA, Harvard, Vancouver, ISO, and other styles

3

Wang, Xiong, Pu Zhou, Xiaolin Wang, Hu Xiao, and Lei Si. "51.5 W monolithic single frequency 1.97 m Tm-doped fiber amplifier." High Power Laser Science and Engineering 1, no. 3-4 (2013): 123–25. http://dx.doi.org/10.1017/hpl.2013.20.

Full text

Abstract:

AbstractWe demonstrate a monolithic single frequency Tm-doped fiber amplifier with output power of 51.5 W. A single frequency fiber laser at 1.97 $\mathrm {\mu} $m is amplified by a cascaded master oscillator power amplifier (MOPA) system with all-fiber configuration. The optical-to-optical conversion efficiency of the main fiber amplifier is 45%. No amplified spontaneous emission (ASE) or stimulated Brillouin scattering (SBS) effect is observed in the fiber amplifier. The output power could be further scaled by launching more pump power.

APA, Harvard, Vancouver, ISO, and other styles

4

Столяров, Д. А., Д. А. Коробко, И. О. Золотовский та А. А. Сысолятин. "Лазерный комплекс с центральной длиной волны 1.55 μm для генерации импульсов с энергией более 1 μJ и суперконтинуума диапазоном около 2 октав". Журнал технической физики 126, № 6 (2019): 717. http://dx.doi.org/10.21883/os.2019.06.47764.306-18.

Full text

Abstract:

A fiber laser system of telecommunication range with simple block structure is considered. The main elements of the system are pulsed erbium fiber laser and several fiber amplifires. Including a fiber stretcher with a high normal dispersion the system works as a generator of high energy pulses. The characteristics of the high-power output amplifier and the pre-amplifiers are matched in such a way that the system is simply reconfigured into a supercontinuum source of the range from 600 to 2400 nm generated at the output of highly nonlinear fiber.

APA, Harvard, Vancouver, ISO, and other styles

5

Wang, Xiaolei, Xinqiang Ma, Yuan Ren, Jingwen Wang, and Wei Cheng. "Fiber Coupled High Power Nd:YAG Laser for Nondestructive Laser Cleaning." Photonics 10, no. 8 (2023): 901. http://dx.doi.org/10.3390/photonics10080901.

Full text

Abstract:

In this study, a fiber coupled high power side-pumped Nd:YAG laser system for laser cleaning is presented. Based on the two-rod structure and two stages amplifiers, the maximum average output power of 783 W with corresponding pulse energy of 52 mJ at 15 kHz has been achieved. The fiber coupling efficiencies after the master oscillator, one stage amplifier and two stages amplifiers reach to 99%, 98.3% and 94%, respectively. A laser cleaning machine prototype composed of the master oscillator and one stage amplifier with an average output power of greater than 500 W has been developed and achiev

APA, Harvard, Vancouver, ISO, and other styles

6

Wang, Tingting, Jing Wang, Meng Zhao, et al. "Compact 15 mJ Fiber–Solid Hybrid Hundred-Picosecond Laser Source for Laser Ablation on Copper." Applied Sciences 12, no. 19 (2022): 9621. http://dx.doi.org/10.3390/app12199621.

Full text

Abstract:

We report on a millijoule-level fiber–solid hybrid hundred-picosecond laser system with a stable performance and compact structure. The laser system is based on a master oscillator power amplifier structure containing an all-fiber master oscillator, a quasi-continuous-wave side-pumped Nd:YAG regenerative amplifier, and a double-pass amplifier. By using the filtering effect of fiber Bragg grating and the dispersion characteristics of single-mode fiber stretcher, the spectrum broadening caused by self-phase modulation effect is effectively suppressed. Thus, the gain linewidth of the Yb-doped fib

APA, Harvard, Vancouver, ISO, and other styles

7

Agrawal, Lalita, Atul Bhardwaj, Dinesh Ganotra, and Hari Babu Srivastava. "Estimation and Management of Performance Limiting Factors in the Development of 1 kW Peak Power Pulsed Fiber MOPA at 1550 nm." Defence Science Journal 71, no. 2 (2021): 222–30. http://dx.doi.org/10.14429/dsj.71.16203.

Full text

Abstract:

   An all-fiber three-stage master oscillator power amplifier (MOPA), based on Erbium and Erbium-Ytterbium co-doped fibers, has been designed and developed. The performance of such a laser is primarily limited by amplified spontaneous emission (ASE), Yb bottlenecking, and non-linear effects. Other important factors, that need to be considered towards performance improvement, are fiber bend diameter and heat generated in the fiber. This paper describes the methodology for the estimation and management of these limiting factors for each amplifier stage. The work presented here

APA, Harvard, Vancouver, ISO, and other styles

8

Li, Qianglong, Feng Li, Hongjun Liu, et al. "Sub-50 fs pulses generation from an all-fiber monolithic gain-managed nonlinear amplifier with CFBG-based pre-compressor." Laser Physics Letters 21, no. 4 (2024): 045101. http://dx.doi.org/10.1088/1612-202x/ad291f.

Full text

Abstract:

Abstract We demonstrate an all-fiber monolithic laser source from a gain-managed nonlinear (GMN) fiber amplifier with a CFBG-based pre-compressor that generates high-contrast pulses with a repetition rate of 80 MHz, average power of 1.6 W, and pulse duration of sub-50 fs. The compressed pulse quality can be optimized by tuning the parameters of the seed pulses injected into the GMN amplifier by controlling the pump power of the fiber pre-amplifier. This compact and cost-effective laser system is a simplified design of the GMN amplification-based femtosecond fiber laser systems. With alignment-

APA, Harvard, Vancouver, ISO, and other styles

9

Li, Dong Juan, Guang Hua Cheng, Zhi Yang, and Yi Shan Wang. "Ultrafast Laser Machine Based on All-Fiber Femtosecond Laser System." Advanced Materials Research 652-654 (January 2013): 2374–77. http://dx.doi.org/10.4028/www.scientific.net/amr.652-654.2374.

Full text

Abstract:

A femtosecond laser machine consisting of femtosecond fiber laser, trepanning head, linear motor stages system and Siemens 840D system has been integrated for industry application. The femtosecond laser source is all fiber system which contains a fiber mode-lock laser at 1053 nm with a repetition rate of 3.9 MHz, a double-cladding gain fiber amplifiers and a PCF amplifier. An acoustical modulator has employed to tune repetition rate from 3.9 MHz to 100 KHz. An in-line fiber chirped grating is used to stretch the pulse duration to 700 ps. After the PCF amplifier pulse is compressed to sub-ps wi

APA, Harvard, Vancouver, ISO, and other styles

10

Xue, Mingyuan, Cunxiao Gao, Linquan Niu, et al. "A 20 W, Less-Than-1-kHz Linewidth Linearly Polarized All-Fiber Laser." Applied Sciences 8, no. 12 (2018): 2593. http://dx.doi.org/10.3390/app8122593.

Full text

Abstract:

We report a continuous-wave high-output power and narrow-linewidth all-fiber laser at 1550 nm with the master oscillator power amplifier (MOPA) configuration. An all-fiber distributed feedback seed laser was boosted by three cascaded fiber amplifiers. In the experiment, we adopted a large-mode-area (LMA) Er3+:Yb3+-co-doped polarization-maintaining fiber to increase nonlinear thresholds and avoided the broadening of the laser linewidth. A linear-polarization fiber laser with average output power of 20 W, linewidth of 0.88 kHz, and power jitter less than 2% was finally achieved.

APA, Harvard, Vancouver, ISO, and other styles

11

Ilyushin, Paul Ya, Daniil E. Shipilo, Irina A. Nikolaeva, Nikolay A. Panov, and Olga G. Kosareva. "Time-domain model for signal transformation in semiconductor optical amplifiers for bit error rate estimation in communication lines." Journal of Optical Technology 91, no. 11 (2024): 744. https://doi.org/10.1364/jot.91.000744.

Full text

Abstract:

Subject of study. The study focuses on a fiber-optic communication line incorporating semiconductor optical amplifiers, specifically spontaneous emission and the nonlinear effects in the amplifiers that lead to digital signal transmission errors. Aim of study. The aim of this study was to develop a model of a fiber-optic communication line with integrated semiconductor optical amplifiers, taking into account distortion sources for both weak and strong signals, namely, spontaneous emission and nonlinear effects in the active medium of the amplifiers. Method. The study was conducted using numeri

APA, Harvard, Vancouver, ISO, and other styles

12

Jiang, Longfei, Lukai Ma, and Yubo Shao. "Gain Maximization of BDFA between the Wavelength of 1700nm to 1800nm." Applied and Computational Engineering 11, no. 1 (2023): 302–9. http://dx.doi.org/10.54254/2755-2721/11/20230204.

Full text

Abstract:

Fiber optic communication technology is becoming increasingly important in various fields, and high-speed, large-capacity fiber optic transmission systems are urgently needed. The design of fiber amplifiers is influenced by both fiber length and doping concentration. Although the Erbium-doped fiber amplifier (EDFA) is one of the most widely used components in fiber optic communication systems, its working area cannot meet the growing demand for network traffic.This paper presents a new fiber amplifier operating in the spectral region of 1700-1800 nm, pumped by commercially available laser diod

APA, Harvard, Vancouver, ISO, and other styles

13

Sun, Yongqian. "The Gain Spectrum of A Bismuth-Doped Broadband Fiber Amplifier in 1700-1800nm." Highlights in Science, Engineering and Technology 46 (April 25, 2023): 244–51. http://dx.doi.org/10.54097/hset.v46i.7710.

Full text

Abstract:

In today’s world of communication and rapid growth in demand, erbium-doped optical fiber amplifiers only cover the C-band and L-band wavelengths, and only a small portion of these wavelengths are used. While the O, E, S, and U-bands are not fully utilized and developed to meet the increasing demand for optical fiber communication networks. Bismuth-doped fiber-optic amplifiers can produce broadband light sources and fiber-optic amplifiers due to their ultra-broadband near-infrared radiation properties, thus solving the problem of communication transmission needs. This essay will examine the fib

APA, Harvard, Vancouver, ISO, and other styles

14

Wang, Jinda. "The simulated annealing algorithm was used to find the maximum gain of a Nd-doped fiber amplifier between 1350-1350nm." Applied and Computational Engineering 11, no. 1 (2023): 52–58. http://dx.doi.org/10.54254/2755-2721/11/20230207.

Full text

Abstract:

Optical fiber amplifier technology is to incorporate rare earth elements that can produce a laser into the fiber core, and the DC light excitation provided by the laser makes the amplification through the light signal. Neodymium-doped fiber laser was first developed and received much attention early on. Neodymium doped fibers had the highest pumping efficiency around 920 nm, 1060 nm and 1350 nm. The simulated annealing algorithm belongs to a stochastic optimization algorithm, which is mainly used to find the optimal global solution of the objective function. The author considers that this algo

APA, Harvard, Vancouver, ISO, and other styles

15

Wu, Yongjing, Chuanfei Yao, Linjing Yang та ін. "High-energy 2.8-μm Ultrashort Pulses Generation in an Er:ZBLAN Fiber Amplifier". Journal of Physics: Conference Series 2464, № 1 (2023): 012024. http://dx.doi.org/10.1088/1742-6596/2464/1/012024.

Full text

Abstract:

Abstract Compact, high-energy ultrashort pulsed fiber lasers in the 2.8 μm wavelength have attracted extensive interest in many scientific and industrial applications. Here, we demonstrated the generation of μJ-level ultrashort pulses from a quasi-all-fiberized Er:ZBLAN amplifier employing a 2.8-μm frequency-shifted soliton as a seed laser. With backward pumping, the pulse energy was enhanced to 0.282 μJ when the average output power was amplified to 1.023 W. Mechanisms for the generation and amplification of ultrashort pulses were theoretically revealed by numerical simulation, and further ca

APA, Harvard, Vancouver, ISO, and other styles

16

Li, Qianglong, Feng Li, Wei Zhao, et al. "Hundred watt level and high energy compact hybrid fiber femtosecond laser with good beam quality." Laser Physics Letters 20, no. 5 (2023): 055104. http://dx.doi.org/10.1088/1612-202x/accce6.

Full text

Abstract:

Abstract A hundred watt level compact femtosecond laser system comprised of a high gain, low nonlinearity silicate glass fiber amplifier and a highly efficient Yb:YAG single-crystal fiber amplifier is demonstrated. By reducing the harmful thermal lens effect of amplifiers and optical elements, and precisely tuning dispersion of the stretcher, 110 W, 495 fs laser output at 1 MHz repetition rate and 250 μJ, 494 fs laser output at 200 kHz repetition rate are obtained. An optimized beam-quality factor (M 2) of better than 1.3 is obtained by filtering the beam with a small-aperture diaphragm. To ou

APA, Harvard, Vancouver, ISO, and other styles

17

Chen, Fu-Zen, Yu-Cheng Song, and Fu-Shun Ho. "An Efficiency Improvement Driver for Master Oscillator Power Amplifier Pulsed Laser Systems." Processes 10, no. 6 (2022): 1197. http://dx.doi.org/10.3390/pr10061197.

Full text

Abstract:

The master oscillator power amplifier (MOPA) pulsed laser, one of the popular topologies for high-power fiber laser systems, is widely applied in industrial machining laser systems. In MOPA, the low-power pulsed laser, stimulated from a seed laser diode, is amplified by the high- power optical energy from pump laser diodes via the gain fiber. Generally, the high-power pump laser diodes are driven by lossy linear current drivers. The switched mode current drivers boost the driver efficiency but suffer from pulse energy consistency due to the current switching ripple. In this paper, a laser driv

APA, Harvard, Vancouver, ISO, and other styles

18

Zeng, Lingfa, Xiaolin Wang, Yun Ye, et al. "High Power Ytterbium-Doped Fiber Lasers Employing Longitudinal Vary Core Diameter Active Fibers." Photonics 10, no. 2 (2023): 147. http://dx.doi.org/10.3390/photonics10020147.

Full text

Abstract:

Thanks to the advantage of balancing nonlinear effects and transverse mode instability, vary core diameter active fiber (VCAF) has been widely used in high power ytterbium-doped fiber lasers in recent years. Up to now, VCAF has developed from the basic form of the original tapered fiber to the spindle-shaped and saddle-shaped fiber with different characteristics and has been applied in conventional fiber lasers, oscillating–amplifying integrated fiber lasers, and quasi-continuous wave fiber lasers and successfully improved the performance of these lasers. In the present study, a 6110 W fiber l

APA, Harvard, Vancouver, ISO, and other styles

19

Liu, Hong, and Wei Da Zhan. "Research on High-Power, High-Speed Laser Modulation and Enlarge Experiment." Applied Mechanics and Materials 721 (December 2014): 579–82. http://dx.doi.org/10.4028/www.scientific.net/amm.721.579.

Full text

Abstract:

A laser modulation and amplification system is designed to meet the demand of long-range space optical communication, which uses the high-speed semiconductor laser to integrate electro-absorption (EA) modulator as a seed source. Two optical fiber amplifier technologies are used. The erbium-doped fiber amplifier (EDFA) and single-mode semiconductor laser pumping are used in the first-level; erbium ytterbium co-doped fiber amplifier (EYDFA) and 2-4 multimode fiber laser pumping with good temperature characteristics are used in the second level, and the control method is automatic gain control. T

APA, Harvard, Vancouver, ISO, and other styles

20

Wang, Meng, Zhuangzhuang Xu, Yaqi Ren, Xiaolei Bai, and Xinping Zhang. "An Organic Microcavity Laser Amplifier Integrated on the End Facet of an Optical Fiber." Nanomaterials 14, no. 15 (2024): 1314. http://dx.doi.org/10.3390/nano14151314.

Full text

Abstract:

We report a thin-film optical amplifier integrated on a fiber facet based on polymer-coated distributed feedback (DFB) microcavities, which are fabricated on a planar substrate and then transferred onto fiber tips by means of a flexible transfer technique. The amplified light directly couples into the fiber and is detected when coupled out at the other end after propagating along the fiber for about 20 cm. A prominently amplification factor of about 4.33 at 578.57 nm is achieved by sending supercontinuum pulses into the hundreds of micrometers’ DFB microcavities along the normal direction, whi

APA, Harvard, Vancouver, ISO, and other styles

21

Luo, Min, Wei Cao, and Haiyan Chen. "Fiber ring-cavity laser based on semiconductor optical amplifier." International Journal of Modern Physics B 32, no. 24 (2018): 1850266. http://dx.doi.org/10.1142/s0217979218502661.

Full text

Abstract:

A fiber ring-cavity laser based on InP/InGaAsP multi-quantum wells semiconductor optical amplifier is proposed and experimentally demonstrated. The laser uses InP/InGaAsP multi-quantum as well as the gain medium and fiber Bragg grating as the wavelength selector. It’s demonstrated that the center wavelength of the output amplified spontaneous emission spectrum for the InP/InGaAsP multiple-quantum wells appears blue shift when its injection current increases. A lasing at central wavelength of 1549.66 nm with the maximum output power of 1.524 mW is obtained with electro-optical efficiency of 1.1

APA, Harvard, Vancouver, ISO, and other styles

22

Pei, Wenxi, Hao Li, Yulong Cui, Zhiyue Zhou, Meng Wang та Zefeng Wang. "Narrow-Linewidth 2 μm All-Fiber Laser Amplifier with a Highly Stable and Precisely Tunable Wavelength for Gas Molecule Absorption in Photonic Crystal Hollow-Core Fibers". Molecules 26, № 17 (2021): 5323. http://dx.doi.org/10.3390/molecules26175323.

Full text

Abstract:

In recent years, mid-infrared fiber lasers based on gas-filled photonic crystal hollow-core fibers (HCFs) have attracted enormous attention. They provide a potential method for the generation of high-power mid-infrared emissions, particularly beyond 4 μm. However, there are high requirements of the pump for wavelength stability, tunability, laser linewidth, etc., due to the narrow absorption linewidth of gases. Here, we present the use of a narrow-linewidth, high-power fiber laser with a highly stable and precisely tunable wavelength at 2 μm for gas absorption. It was a master oscillator power

APA, Harvard, Vancouver, ISO, and other styles

23

Michalska, Maria, Paweł Grześ, and Jacek Swiderski. "High power, 100 W-class, thulium-doped all-fiber lasers." Photonics Letters of Poland 11, no. 4 (2019): 109. http://dx.doi.org/10.4302/plp.v11i4.953.

Full text

Abstract:

In this work, sub-kilowatt, compact thulium-doped fiber laser systems, operating at a wavelength of 1940 nm, have been presented. The continuous-wave laser power generated out of a single oscillator was 90 W with a slope efficiency of 56.7%. Applying a master oscillator – power amplifier configuration, an output power of 120.5 W with a slope efficiency of 58.2% was demonstrated. These are the first results of the works aimed at developing kW-class “eye-safe” laser systems in Poland. Full Text: PDF ReferencesZ. Liu, et al., "Implementing termination analysis on quantum programming", Sci. China

APA, Harvard, Vancouver, ISO, and other styles

24

Bouzid, Belloui. "Erbium Doped Fiber Laser and Amplifier." Optics and Photonics Journal 04, no. 07 (2014): 189–93. http://dx.doi.org/10.4236/opj.2014.47019.

Full text

APA, Harvard, Vancouver, ISO, and other styles

25

Mollaee, Masoud, Xiushan Zhu, Jie Zong, et al. "Single-frequency blue laser fiber amplifier." Optics Letters 43, no. 3 (2018): 423. http://dx.doi.org/10.1364/ol.43.000423.

Full text

APA, Harvard, Vancouver, ISO, and other styles

26

Liaw, Shien-Kuei, Lina Marlina, Zi Wang, Shu-Miao Chen, Bo-Heng Lee, and Hsiou-Hsin Tsai. "23 KHz linewidth 1064 nm SOA based fiber laser by using parallel type subring cavities." Laser Physics 34, no. 6 (2024): 065101. http://dx.doi.org/10.1088/1555-6611/ad3ae8.

Full text

Abstract:

Abstract This study presents a high-quality fiber ring laser created by integrating a semiconductor optical amplifier to generate amplified spontaneous emission with a four-subring resonator and utilizing the nonlinear polarization rotator effect. When the driven current of 400 mA, the laser exhibited a maximum power deviation of 0.204 dB and a wavelength deviation of 0.012 nm during a one-hour testing period. Furthermore, utilizing a delayed self-heterodyne measurement system, we measured the linewidth of the self-made fiber laser to be 23 kHz.

APA, Harvard, Vancouver, ISO, and other styles

27

Grzegorczyk, Adrian, and Marcin Mamajek. "A 70 W thulium-doped all-fiber laser operating at 1940 nm." Photonics Letters of Poland 11, no. 3 (2019): 81. http://dx.doi.org/10.4302/plp.v11i3.928.

Full text

Abstract:

An all-fiber thulium-doped fiber laser operating at a wavelength of 1940 nm is reported. A maximum output continuous-wave power of 70.7 W with a slope efficiency of 59%, determined with respect to the absorbed pump power, was demonstrated. The laser delivered almost a single-mode beam with a beam quality factor of < 1.3.Full Text: PDF ReferencesM. N. Zervas and C. A. Codemard, "High Power Fiber Lasers: A Review", IEEE J. Sel. Top. Quantum Electron. 20, 0904123 (2014). CrossRef D. J. Richardson, J. Nilsson, and W. A. Clarkson. "High power fiber lasers: current status and future perspectives

APA, Harvard, Vancouver, ISO, and other styles

28

Chen, Zhiwen, Keyi Hao, and Tingting Xiao. "Modeling and numerical simulation of the gain of a 1310nm praseodymium-doped fiber amplifier." Highlights in Science, Engineering and Technology 27 (December 27, 2022): 201–11. http://dx.doi.org/10.54097/hset.v27i.3749.

Full text

Abstract:

Optical fiber communication is of great importance in information transmission. Increasing the transmission capacity of optical fiber systems is a solution to meet the increasing demand for information, in which rare earth ion-doped fiber amplifiers play an important role. In this paper, the quasi-quadruple-energy structure of is equated and simplified to a conventional triple-energy structure to improve amplification's efficiency and significance. By exploring the influence of many factors on the praseodymium-doped fiber amplifier, the amplification band with gain window between 1250-1350nm i

APA, Harvard, Vancouver, ISO, and other styles

29

Kozlyakov, Mikhail, Andrey Petrov, and Grigoriy Mikhailovskiy. "Widely Tunable Pulse Duration 100 mJ Single-Mode MOPA System Based on Yb-Doped Tapered Double-Clad Fiber and Nd:YAG Solid-State Amplifiers." Photonics 11, no. 1 (2024): 84. http://dx.doi.org/10.3390/photonics11010084.

Full text

Abstract:

We report on a 1064 nm master oscillator power amplifier (MOPA) system based on pulse-modulated laser diode seed sources combined with fiber preamplifiers and a Yb-doped tapered double-clad fiber (T-DCF) amplifier used as an all-fiber master oscillator and a two-stage side-pumped solid-state power amplifier. The combination of two master oscillators and a single power amplifier allowed us to obtain pulses with a duration ranging from 10 ns to 10 μs with energy up to 137 mJ at 100 Hz. For the first time, we demonstrate a widely tunable pulse duration and a solid-state MOPA system with over 100

APA, Harvard, Vancouver, ISO, and other styles

30

Wang, Sijia, Peng Qin, and Huibin Wang. "Performance Enhancements of Femtosecond Fiber Amplifier by Pump Wavelength Optimization." International Journal of Optics 2021 (March 10, 2021): 1–7. http://dx.doi.org/10.1155/2021/5514089.

Full text

Abstract:

We demonstrate an efficient scheme to accelerate the self-similar pulse evolution and reduce the intensity noise of a free-running femtosecond fiber amplifier based on the pump wavelength optimization. Experiments and simulations indicate the enhanced tolerances of the pulse self-similar amplification to the seed signal power and pump wavelength fluctuations, with the optimum 915 nm pump wavelength. ∼20% increase in the compressed pulse quality and ∼31% reduction in the amplifier root-mean-square (RMS) relative intensity noise (RIN) (1.5 kHz to 5 MHz) have been observed, even with a more than

APA, Harvard, Vancouver, ISO, and other styles

31

Franczyk, Marcin, Dariusz Pysz, Filip Włodarczyk, Ireneusz Kujawa, and Ryszard Buczyński. "Yb3+ doped single-mode silica fibre laser system for high peak power applications." Photonics Letters of Poland 12, no. 4 (2020): 118. http://dx.doi.org/10.4302/plp.v12i4.1075.

Full text

Abstract:

We present ytterbium doped silica single-mode fibre components for high power and high energy laser applications. We developed in-house the fibre laser with high efficiency of 65% according to the launched power, the threshold of 1.16W and the fibre length of 20 m. We also elaborated the fibre with 20 µm in diameter core suitable for amplifying the beam generated in oscillator. We implemented made in-house endcaps to prove the utility of the fibre towards high peak power applications. Full Text: PDF ReferencesStrategies Unlimited, The Worldwide Market for Lasers: Market Review and Forecast, 20

APA, Harvard, Vancouver, ISO, and other styles

32

DIMYATI, K., S. W. HARUN, S. Z. MUHD-YASSIN, M. K. ABD-RAHMAN, and H. AHMAD. "COMPACT AND EFFICIENT Er–Yb-DOPED FIBER AMPLIFIER." Journal of Nonlinear Optical Physics & Materials 17, no. 02 (2008): 193–98. http://dx.doi.org/10.1142/s0218863508004111.

Full text

Abstract:

A compact and efficient optical amplifier is demonstrated using an erbium–ytterbium-doped fiber amplifier (EYDFA) with a double-pass configuration. It uses only 3 m of doped fiber with 20 mW pump power. This forward-pumped amplifier achieves a maximum low signal gain of 37 dB and a corresponding noise figure of 5.5 dB. Compared with the backward-pumping double-pass EYDFA, the gain obtained is 7 dB higher, with a lower noise figure of 5.5 dB. In addition, the gain obtained in this study is 17 dB higher than that of a conventional forward-pumping single-pass amplifier, while its noise figure is

APA, Harvard, Vancouver, ISO, and other styles

33

COMANESCU, Brindus, Paul SCHIOPU, Marian VLADESCU, and Mihaiela ILIESCU. "Adaptable Fiber Laser Control Unit." Eurasia Proceedings of Science Technology Engineering and Mathematics 16 (December 31, 2021): 87–97. http://dx.doi.org/10.55549/epstem.1068559.

Full text

Abstract:

Today fiber laser is widely used due to their performances and flexibility. They replace old types of lasers in the industrial machines. To develop a family of laser machines it is the need of having standard laser source that could efficiently be used and replaced in the equipment, independently of the laser source or types of lasers. This paper presents the concept and development of a new fiber laser control unit developed to be used for CW, QCW or pulsed regime. Control unit could be used in multiple laser source and satisfy complex requirements. The control unit of the fiber laser source

APA, Harvard, Vancouver, ISO, and other styles

34

Huang, Chenwei, Dengbo Li, Zhenghui Song, and Yuan Tao. "Modeling and numerical simulation of the gain spectrum of Thulium-doped broadband fiber amplifiers." Highlights in Science, Engineering and Technology 46 (April 25, 2023): 236–43. http://dx.doi.org/10.54097/hset.v46i.7709.

Full text

Abstract:

Nowadays, due to the complex signal medium conversion process of semiconductor laser amplifiers, the optical fiber amplifier, which is a new type of all-optical amplifier, is increasingly used in optical fiber communication lines for signal amplification because it can directly perform all-optical amplification of signals and are especially suitable for relay amplification of long-distance optical communications. Our research project is the gain spectrum of the Thulium-doped broadband fiber amplifier. The signal wavelength range is from to . The goal is to obtain the gain spectrum with fiber l

APA, Harvard, Vancouver, ISO, and other styles

35

Zeng, Lingfa, Xiaolin Wang, Li Wang, et al. "Optimization and Demonstration of Direct LD Pumped High-Power Fiber Lasers to Balance SRS and TMI Effects." Photonics 10, no. 5 (2023): 539. http://dx.doi.org/10.3390/photonics10050539.

Full text

Abstract:

Up to now, transverse mode instability (TMI) and stimulated Raman scattering (SRS) have become the main factors limiting the power scaling of conventional ytterbium-doped fiber laser. Many technologies are proposed to suppress the SRS or TMI individually, but most of them are contradictions in practical application. In this article, we focus on the technologies that can balance the suppression of both SRS and TMI, including fiber coiling optimization, pump wavelength optimization, pump configuration optimization, and novel vary core diameter active fiber. Firstly, we validate the effectiveness

APA, Harvard, Vancouver, ISO, and other styles

36

Zhou, Xue Fang, and Shan Yuan. "Study on Structure Optimization of Multi-Wavelength Brillouin-Erbium Doped Fiber Laser." Advanced Materials Research 734-737 (August 2013): 2792–95. http://dx.doi.org/10.4028/www.scientific.net/amr.734-737.2792.

Full text

Abstract:

A ring cavity multiwavelength Brillouin erbium-doped optical fiber laser （EDFL）based on the stimulated brillouin scattering effects and linear gain mechanism of erbium-doped fiber was demonstrated, in which single mode fiber was used as Brillouin gain medium and the Stokes signal was amplified by using the erbium-doped fiber amplifier, so that the laser can produce a stable multi-wavelength output at room temperature. Through the study and analysis of the position of the circular and coupler and the access mode of the coupler, we found that they both had influence on the output of the brilloui

APA, Harvard, Vancouver, ISO, and other styles

37

Pei, Wenxi, Hao Li, Wei Huang, Meng Wang, and Zefeng Wang. "All-Fiber Gas Raman Laser by D2-Filled Hollow-Core Photonic Crystal Fibers." Photonics 8, no. 9 (2021): 382. http://dx.doi.org/10.3390/photonics8090382.

Full text

Abstract:

We report here an all-fiber structure tunable gas Raman laser based on deuterium-filled hollow-core photonic crystal fibers (HC-PCFs). An all-fiber gas cavity is fabricated by fusion splicing a 49 m high-pressure deuterium-filled HC-PCF with two solid-core single-mode fibers at both ends. When pumped with a pulsed fiber amplifier seeded by a tunable laser diode at 1.5 μm, Raman lasers ranging from 1643 nm to 1656 nm are generated. The maximum output power is ~1.2 W with a Raman conversion efficiency of ~45.6% inside the cavity. This work offers an alternative choice for all-fiber lasers operat

APA, Harvard, Vancouver, ISO, and other styles

38

Wang, Kaifeng, Xiao Li, Peng Wang, Weihong Hua, Zefeng Wang, and Kai Han. "Broadband, Continuous-Wave, Mid-Infrared Generation Based on ASE Fiber Source." Photonics 9, no. 10 (2022): 724. http://dx.doi.org/10.3390/photonics9100724.

Full text

Abstract:

The research reports broadband, continuous-wave (CW), mid-infrared generation based on an optical parametric oscillator (OPO), pumped by an amplified spontaneous emission (ASE) fiber source. The ASE fiber source has a ytterbium (Yb)-doped fiber master oscillator power amplifier (MOPA) structure. By injecting another fiber laser with high power and a narrow linewidth into the nonlinear crystal, the phase-matching difference frequency generation (DFG) can be realized at a low pumping threshold. It is shown that during the down-conversion of the ASE fiber source, the intracavity DFG can steadily

APA, Harvard, Vancouver, ISO, and other styles

39

Gu, Yanran, Xinyue Niu, Muyu Yi та ін. "520 μJ Microsecond Burst-Mode Pulse Fiber Amplifier with GHz-Tunable Intra-Burst Pulse and Flat-Top Envelope". Photonics 12, № 2 (2025): 97. https://doi.org/10.3390/photonics12020097.

Full text

Abstract:

We present a 520 μJ microsecond burst-mode pulse fiber amplifier with a GHz-tunable intra-burst repetition rate and a nearly flat-top pulse envelope. The amplifier architecture comprises a microsecond pulse seed, a high-bandwidth electro-optic modulator (EOM), two pre-amplifier stages, a waveform-compensated acoustic-optic modulator (AOM), and two main amplifier stages. To address amplified spontaneous emission (ASE) and nonlinear effects, a multistage synchronous pumping scheme that achieved a maximum energy output of 520 μJ and has a peak power of 160 W was used. To produce a flat-topped bur

APA, Harvard, Vancouver, ISO, and other styles

40

Peng, Peng-Chun, Kai-Ming Feng, Ching-Cheng Chang, et al. "Multiwavelength fiber laser using S-band erbium-doped fiber amplifier and semiconductor optical amplifier." Optics Communications 259, no. 1 (2006): 200–203. http://dx.doi.org/10.1016/j.optcom.2005.08.016.

Full text

APA, Harvard, Vancouver, ISO, and other styles

41

Zhao, Li-Juan, Hai-Ying Zhao, and Zhi-Niu Xu. "Design of photonic crystal fiber amplifier based on stimulated Brillouin amplification for orbital angular momentum." Acta Physica Sinica 71, no. 7 (2022): 074206. http://dx.doi.org/10.7498/aps.71.20211909.

Full text

Abstract:

A probe made of amino acids is arranged in a linear chain and joined together by peptide bonds between the carboxyl and amino groups of adjacent amino acid residues. The sequence of amino acids in a protein is determined by a gene and encoded in the genetic code. This can happen either before the protein is used in the cell, or as part of control mechanisms. In order to transmit and amplify high-purity orbital angular momentum mode, a photonic crystal fiber amplifier based on stimulated Brillouin amplification is proposed and designed in this paper. The transmission properties of the photonic

APA, Harvard, Vancouver, ISO, and other styles

42

Awang Lah, Airull Azizi, Abdul Hadi Sulaiman, Fairuz Abdullah, et al. "Stable Triple-Wavelength Random Fiber Laser Based on Fiber Bragg Gratings." Photonics 10, no. 8 (2023): 924. http://dx.doi.org/10.3390/photonics10080924.

Full text

Abstract:

We demonstrate a generation of three lasing wavelengths with the assistance of Rayleigh backscattering as the stabilizer of peak power variations. The proposed laser consists of a combination of the semiconductor optical amplifier (SOA) and erbium-doped fiber amplifier (EDFA) as the amplifying media. Three fiber Bragg gratings are employed as the selective wavelength selectors at 1544, 15747 and 1550 nm. At 110 mA SOA current and 18 dBm EDFA output power, a flattened output spectrum with 0.9 dB peak power variation is attained. In terms of stability, the maximum peak power fluctuation for the

APA, Harvard, Vancouver, ISO, and other styles

43

Gadzhiev I. M. "Picosecond pulses generation by fiber laser with semiconductor optical amplifier in 1.06 μm spectral range". Technical Physics Letters 48, № 11 (2022): 10. http://dx.doi.org/10.21883/tpl.2022.11.54879.19341.

Full text

Abstract:

Picosecond optical pulses generation in a ring fiber laser with a semiconductor optical amplifier was investigated. Optical spectrum width is minimal at a fundamental resonant repetition frequency of 45 MHz, corresponding to a fiber resonator length of 4.5 m. As the frequency increases, the spectral width increases by an order of magnitude while the pulse duration decreases to 18 ps, and the power increases to 0.5 W. The power of picosecond optical pulses at the output of the semiconductor amplifier is 7 times higher than in the CW mode due to the carrier accumulation effect that occurs with s

APA, Harvard, Vancouver, ISO, and other styles

44

Babin, S. A., D. V. Churkin, S. I. Kablukov, A. S. Kurkov, and M. A. Nikulin. "Distributed-feedback fiber laser with optical amplifier." Laser Physics 17, no. 11 (2007): 1292–95. http://dx.doi.org/10.1134/s1054660x07110035.

Full text

APA, Harvard, Vancouver, ISO, and other styles

45

Liu, Xiaoxi, Xin Tian, Binyu Rao, Baolai Yang, Xiaoming Xi, and Zefeng Wang. "A 3.2 kW Single Stage Narrow Linewidth Fiber Amplifier Emitting at 1050 nm." Micromachines 15, no. 7 (2024): 871. http://dx.doi.org/10.3390/mi15070871.

Full text

Abstract:

In this paper, we have demonstrated a narrow linewidth high power fiber laser emitting at a short wavelength of ~1050 nm. The fiber laser is based on a structure of master oscillator power amplification (MOPA) with an optimized fiber Bragg-grating-based laser cavity as the seed. Both stimulated Brillouin scattering (SBS) and stimulated Raman scattering (SRS) effects have been effectively suppressed by using a long passive fiber between the seed and the amplifier. Based on the fiber amplifier, we have ultimately boosted the narrow linewidth laser from ~40 W to 3.2 kW with a slope efficiency of

APA, Harvard, Vancouver, ISO, and other styles

46

Zhu, R. Z., C. D. Hu, J. C. Wang, X. Wen, and H. B. Zhang. "Backward pumping Tm-doped fiber amplifier with >60% slope efficiency." Laser Physics Letters 21, no. 12 (2024): 125101. http://dx.doi.org/10.1088/1612-202x/ad771a.

Full text

Abstract:

Abstract In this paper, an efficient all fiber Tm-doped fiber amplifier which is backward-pumped with multi-mode laser diodes at 793 nm is reported. A maximum slope efficiency of 64.4%, a maximum output power of 35.5 W, a spectral signal to noise ratio of 66 dB and an ideal Gaussian beam profile are achieved. The results indicate that the implementation of a backward pumping scheme and strong injection of the seed power can enhance the slope efficiency, which is particularly crucial for high power fiber amplifiers at 2 μm.

APA, Harvard, Vancouver, ISO, and other styles

47

Zhao, Xiaoli, Linyu Cong, Congyu Zhang, Chenxi Zhang, Ijaz Ahmad, and Bo Fu. "Passively Mode-Locked Erbium-Doped Fiber Laser and Application in Laser Thrombolysis." Photonics 11, no. 11 (2024): 1006. http://dx.doi.org/10.3390/photonics11111006.

Full text

Abstract:

Fiber lasers have been widely used in surgery with the development of fiber photonics. Since the human body is prone to myocardial infarction caused by blood clots, laser thrombolysis was proposed as a safe and efficient treatment. Mode-locked fiber lasers have high peak power and narrow pulse width. In order to observe the effect of laser thrombolysis with mode-locked fiber lasers, a 1.5 µm mode-locked fiber laser based on carbon nanotubes was built, showing a pulse width of 1.46 ps, a 3 dB bandwidth of 1.65 nm, and a repetition rate of 29.5 MHz. The output pulses were amplified by an erbium-

APA, Harvard, Vancouver, ISO, and other styles

48

Zhao, Yuwei, Wanli Zhao, and Tongyu Liu. "Generation of sub-30 fs pulses from an erbium-doped fiber amplifier at 203 MHz repetition rate." Laser Physics 34, no. 12 (2024): 125102. http://dx.doi.org/10.1088/1555-6611/ad8cb7.

Full text

Abstract:

Abstract High repetition rate fiber lasers have attracted great attention in recent years due to their potential applications including spectroscopy and laser processing. In this manuscript, we have demon-strated sub-30 fs pulses directly from a compact Er-doped fiber laser amplifier system with a high repetition rate of ∼203 MHz. The design of the laser comprises of a home-built oscillator based on nonlinear polarization evolution mode-locking mechanism, an all-fiber amplifier, and a fiber type compressor. By optimizing the length of single mode fiber compressor, the shortest pulse duration o

APA, Harvard, Vancouver, ISO, and other styles

49

Sirleto, Luigi, and Maria Antonietta Ferrara. "Fiber Amplifiers and Fiber Lasers Based on Stimulated Raman Scattering: A Review." Micromachines 11, no. 3 (2020): 247. http://dx.doi.org/10.3390/mi11030247.

Full text

Abstract:

Nowadays, in fiber optic communications the growing demand in terms of transmission capacity has been fulfilling the entire spectral band of the erbium-doped fiber amplifiers (EDFAs). This dramatic increase in bandwidth rules out the use of EDFAs, leaving fiber Raman amplifiers (FRAs) as the key devices for future amplification requirements. On the other hand, in the field of high-power fiber lasers, a very attractive option is provided by fiber Raman lasers (FRLs), due to their high output power, high efficiency and broad gain bandwidth, covering almost the entire near-infrared region. This p

APA, Harvard, Vancouver, ISO, and other styles

50

Sterian, Andreea-Rodica. "Basic research for designing the erbium doped fiber amplifier in long distance cable communications." Technium: Romanian Journal of Applied Sciences and Technology 2, no. 1 (2020): 29–37. http://dx.doi.org/10.47577/technium.v2i1.39.

Full text

Abstract:

The paper presents some of the author results obtained in the research on the optical fiber amplifiers and Quantum Well (QW) laser diodes used in long distance optical communications as those transoceanic and other applications. Based on the mathematical models of the Erbium Doped Fiber Amplifier (EDFA) and of the QW laser diodes, implemented in software (especially, MATHLAB and MATHCAD but also in SIMULINK and SPICE), we get the operational diagrams and parameters of the specified devices and structures. For example, the classic Runge-Kutta method hasbeen successfully used for numerical simul

APA, Harvard, Vancouver, ISO, and other styles

We offer discounts on all premium plans for authors whose works are included in thematic literature selections. Contact us to get a unique promo code!