基于半导体光纤环形激光器的全光广播双重态信号研究

Zhao ZanShan
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引用次数: 2

摘要

提出了一种基于半导体光纤环形激光器(SFRL)的全光超宽带(UWB)信号生成新方案,该方案可同时生成三个双重态信号。提出了这类全光超宽带双重态信号的综合宽带动态模型。通过数值模拟研究了半导体光放大器(SOA)的偏置电流、输入信号光和激光光的相对延迟以及输入信号光的功率对双重态信号性能的影响。结果表明,当SOA的偏置电流、SFRL中输入信号光与激光光之间的相对延迟、输入信号光的功率发生变化时,输出双重信号的波形受到明显影响,但双重信号的射频频谱符合UWB信号的要求。通过仿真给出了SOA偏置电流的优化范围、SFRL中输入信号光与激光光之间的相对延迟以及输入信号光的功率。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Research of All-optical Broadcast Doublet Signals Based on Semiconductor Fiber Ring Laser
A novel scheme for all-optical generate ultra-wideband (UWB) signals based on semiconductor fiber ring laser (SFRL) is proposed, in which three doublet signals can be generated simultaneously. A comprehensive broad-band dynamic model of this kind of all-optical UWB doublet signals is presented. With a numerical simulation, the effects of the bias current of the Semiconductor optical amplifier (SOA) in the SFRL, the relative delay of input signal light and lasing light in the SFRL, and the power of input signal light on the performance of the doublet signals are investigated. The results show that when the bias current of the SOA, the relative delay between the input signal light and the lasing light in the SFRL, the power of input signal light change, the waveform of output doublet signals are significantly affected, but the radio frequency (RF) spectra of doublet signals conform to requirements for the UWB signal. The optimized scope of the bias current of SOA, the relative delay between the input signal light and the lasing light in the SFRL, and the power of the input signal light are given by simulation in this paper.
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