Lasers, Fiber Optics, and Communications

Optimization of Raman-assisted wavelength-division-multiplexing system with arbitrary input signal power spectrum

[+] Author Affiliations
Shilin Sun, Mo Chen, Jianfei Wang, Zhou Meng

National University of Defense Technology, Academy of Ocean Science and Engineering, Changsha, China

Opt. Eng. 56(6), 066109 (Jun 19, 2017). doi:10.1117/1.OE.56.6.066109
History: Received February 22, 2017; Accepted June 5, 2017
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Abstract.  We analyze the method to uniform the output signal power spectrum for a long-haul wavelength-division-multiplexing (WDM) system using backward multipump Raman amplifiers with arbitrary initial input signal power spectrum. A genetic algorithm is used to optimize the output signal power. The theoretical results show that using variable pump wavelengths is better than using fixed pump wavelengths to decrease the spectral maximum power difference. An experiment is conducted based on the theoretical analysis. The results agree well with the numerical calculations.

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© 2017 Society of Photo-Optical Instrumentation Engineers

Citation

Shilin Sun ; Mo Chen ; Jianfei Wang and Zhou Meng
"Optimization of Raman-assisted wavelength-division-multiplexing system with arbitrary input signal power spectrum", Opt. Eng. 56(6), 066109 (Jun 19, 2017). ; http://dx.doi.org/10.1117/1.OE.56.6.066109


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