掺铒光纤放大器中采用交叉增益调制的全光波长转换

Signal Processing Algorithms, Architectures, Arrangements, and Applications SPA 2007 Pub Date : 2007-09-01 DOI:10.1109/SPA.2007.5903310

M. Ahosan-ul-Karim, M. I. Hossain, M. Tariqul Mehal, S. Majumder

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引用次数: 0

摘要

建立了掺铒光纤放大器中基于交叉增益调制(XGM)的新型全光波长转换器的解析模型。利用EDFA的增益饱和效应将调制从输入调制信号传递到未调制的泵浦信号。在给定的EDFA参数下，从波长转换效率和泵浦与输入信号之间的波长失谐两方面对性能结果进行了评估。研究发现，在EDFA长度为12m、归一化泵浦功率为25、泵浦与输入信号之间的波长间隔为70nm时，基于XGM的EDFA波长转换器的转换效率约为0 dB/mW或100%。在很宽的波长范围内，效率是平坦的。

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All optical wavelength conversion using cross gain modulation in Erbium doped fiber amplifier

An analytical model is developed for a novel all-optical wavelength converter based on cross-gain modulation (XGM) in an Erbium doped fiber amplifier (EDFA). The gain saturation effect of EDFA is utilized to transfer the modulation from the input modulated signal to the unmodulated pump signal. Performance results are evaluated in terms of wavelength conversion efficiency for given parameters of EDFA and wavelength detuning between the pump and input signal. It is found that approximately 0 dB/mW or 100% conversion efficiency can be achieved with XGM based EDFA wavelength converter over a wavelength separation of 70nm between the pump and input signal with length of EDFA of 12m and normalized input pump power of 25. Efficiency is found to be flat over a wide range of wavelength separation.

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Signal Processing Algorithms, Architectures, Arrangements, and Applications SPA 2007

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