论文部分内容阅读
为了了解基于差分交叉相位调制的波长转换器(DXPM-WC)的工作机理并对提高其现有的性能,利用半导体光放大器(SOA)的动态模型对DXPM-WC的脉冲波形、消光比、信号光功率范围和啁啾进行了仿真分析。通过与传统的交叉相位调制波长转换器(XPM-WC)的性能比较,仿真结果表明:基于差分交叉相位调制的波长转换器的工作码率高于SOA的载流子动态响应速率,其输出信号可获得13dB以上的消光比和2GHz以下的频率啁啾。同时,提出一种扩大DXPM-WC输入信号功率动态范围的方案,以保证当输入信号功率偏移最佳值时,DXPM-WC输出的波长转换信号的消光比仍保持在13 dB以上。
In order to understand the working mechanism of the DXPM-CW based wavelength converter (DXPM-WC) and to improve its existing performance, the dynamic model of the semiconductor optical amplifier (SOA) is used to analyze the pulse waveform, extinction ratio, Optical power range and chirp were simulated and analyzed. The simulation results show that the code rate of the wavelength converter based on the differential cross-phase modulation is higher than that of the SOA, and the output signal of XPM-WC An extinction ratio above 13 dB and a frequency chirp below 2 GHz are available. At the same time, a scheme to expand the power dynamic range of DXPM-WC input signal is proposed to ensure that the extinction ratio of the wavelength-converted signal output by the DXPM-WC remains above 13 dB when the input signal power offset is the best.