Optimal design and experimental research of multiwave-pumped dispersion compensation distributed fiber Raman amplifier (FRA)

Dan Geng; Zaixuan Zhang; Laixiao Li

doi:10.1117/12.576695

10 January 2005 Optimal design and experimental research of multiwave-pumped dispersion compensation distributed fiber Raman amplifier (FRA)

Dan Geng, Zaixuan Zhang, Laixiao Li

Author Affiliations +

Proceedings Volume 5623, Passive Components and Fiber-based Devices; (2005) https://doi.org/10.1117/12.576695
Event: Asia-Pacific Optical Communications, 2004, Beijing, China

Abstract

5kmDCF-50kmG652 fiber dispersion compensation FRA pumped by three-wavelength Raman fiber laser has been researched. Dispersion and dispersion slope can be compensated in the dispersion compensation FRA simultaneously. Cascaded pump fiber laser is an all fiber technology, and high output power above 3W can be achieved. The Raman fiber lasers which operating at wavelengths of 1428,1455 and 1466nm have been used to simultaneously pump dispersion compensation fiber Raman amplifier. Simulated annealing algorithm is adopted to give automatic pump power configuration in multiwave backward-pumped dispersion compensation FRA. Simulated annealing algorithm imitates physical annealing process in order to seek the most optimal key. We studied the dispersion compensation FRA with the pump power configuration of optimal design in experiment, and the spectrums of gain and noise figure (NF) have been measured. When pump power is 1250mw and signal power is 0dBm,we get 55nm flat-gain bandwidth, and noise figure is less than -0.93dB, while the gain flatness is less than 3dB and gain is more than 21.32dB;when pump power is 1500mw,we get 45nm flat-gain bandwidth, and noise figure is less than -1.79dB,while the gain flatness is less than 3dB and gain is more than 27.77dB.

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Dan Geng, Zaixuan Zhang, and Laixiao Li "Optimal design and experimental research of multiwave-pumped dispersion compensation distributed fiber Raman amplifier (FRA)", Proc. SPIE 5623, Passive Components and Fiber-based Devices, (10 January 2005); https://doi.org/10.1117/12.576695

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KEYWORDS

Raman spectroscopy

Fiber amplifiers

Optical amplifiers

Fiber lasers

Dispersion

Algorithms

Interference (communication)

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