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从理论和实验上研究了基于半导体光放大器的交叉增益型波长转换器的转换特性 .实验研究了转换特性与信号调制格式、放大器增益的关系 .利用大信号分析模型讨论了消光比、平均功率转换效率和交流转换效率等性能与平均抽运功率、探测功率及放大器增益特性之间的关系 .结果表明 ,交流转换效率能综合消光比和平均功率转换效率两种指标 ,在转换器性能优化中有重要的作用 ;交叉增益型波长转换器输入动态范围较小 ,很难实现对信号调制格式透明 ;放大器的增益是取得最佳转换性能的关键
The conversion characteristics of the cross-gain wavelength converter based on the semiconductor optical amplifier are theoretically and experimentally studied, and the relationship between the conversion characteristics and the signal modulation format and the gain of the amplifier is experimentally studied. The extinction ratio, the average power conversion Efficiency and AC conversion efficiency and the relationship between the average pump power, detection power and amplifier gain characteristics.The results show that the AC conversion efficiency can be integrated two indicators of extinction ratio and average power conversion efficiency, in the converter performance optimization Important role; cross-gain wavelength converter input dynamic range is small, it is difficult to achieve transparent signal modulation format; amplifier gain is the key to obtain the best conversion performance