Widely tunable all-optical wavelength converter based on four-wave mixing using two orthogonally polarized pumps  

作　　者：王肇颖 李智勇 葛春风 胡智勇 贾东方 李世忱 

机构地区：[1]College of Precision Instrument and Opto-Electronics Engineering, Tianjin University [2]Key Laboratory of Opto-Electronics Information and Technical Science (Tianjin University), Ministry of Education, Tianjin 300072 [3]Key Laboratory of Opto-Electronics Information and Technical Science (Tianjin University), Ministry of Education, Tianjin 300072he principle of broad-band orthogonal-pump (BOP) four-wave mixing in semiconductor optical amplifiers is analyzed in theory. The conversion efficiency reduces rapidly as the detuning of wavelength between the signal and pump increase which can be solved by introducing a BOP method. The constant conversion efficiency and signal-to-noise ratio are obtained over a large wavelength detuning range. The wavelength conversion efficiency with variation smaller than 3.88 dB over 52-nm range has been experimentally demonstrated by using BOP, with the 10-GHz output of distributed feedback/electro-absorption modulator as signal. Conventional single-pump scheme is also performed for comparison and the experimental results fit well with the theory.

出　　处：《Chinese Optics Letters》2004年第6期351-353,共3页中国光学快报（英文版）

基　　金：This work was supported by the National Natural Science Foundation of China (No. 69877012);Tianjin Science and Technology Development Foundation (No. 033800411); Youth Teacher Foundation of Tianjin University.

摘　　要：The principle of broad-band orthogonal-pump (BOP) four-wave mixing in semiconductor optical amplifiers is analyzed in theory. The conversion efficiency reduces rapidly as the detuning of wavelength between the signal and pump increase which can be solved by introducing a BOP method. The constant conversion efficiency and signal-to-noise ratio are obtained over a large wavelength detuning range. The wavelength conversion efficiency with variation smaller than 3.88 dB over 52-nm range has been experimentally demonstrated by using BOP, with the 10-GHz output of distributed feedback/electro-absorption modulator as signal. Conventional single-pump scheme is also performed for comparison and the experimental results fit well with the theory.The principle of broad-band orthogonal-pump (BOP) four-wave mixing in semiconductor optical amplifiers is analyzed in theory. The conversion efficiency reduces rapidly as the detuning of wavelength between the signal and pump increase which can be solved by introducing a BOP method. The constant conversion efficiency and signal-to-noise ratio are obtained over a large wavelength detuning range. The wavelength conversion efficiency with variation smaller than 3.88 dB over 52-nm range has been experimentally demonstrated by using BOP, with the 10-GHz output of distributed feedback/electro-absorption modulator as signal. Conventional single-pump scheme is also performed for comparison and the experimental results fit well with the theory.

关 键 词：Broadband networks Light amplifiers Signal to noise ratio Tuning Wavelength division multiplexing 

分 类 号：O436[机械工程—光学工程]