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对基于半导体光放大器交叉增益调制型全光波长转换器的频响特性作了理论分析，并获得了反映注入光参数对波长转换频响特性影响的解析表达式．数值结果表明，波长转换的频率响应带宽依赖于光放大器驱动电流、注入光波导的光功率以及转换波长间隔
The frequency response characteristics of the all-optical wavelength converter based on the cross-gain modulation of the semiconductor optical amplifier are theoretically analyzed and an analytical expression reflecting the influence of the injected optical parameters on the frequency response of the wavelength conversion is obtained. The numerical results show that the frequency response bandwidth of the wavelength conversion depends on the optical amplifier drive current, the optical power injected into the optical waveguide, and the conversion wavelength interval