The average fidelity can be improved by adjusting phase decoherence and detuning.
平均保真度也可以通过调节相位退相干和失谐得到提高。
And the non-inverted conversion is obtained by large filter detuning, which is used to extract the frequency chirps, and in this condition the cross phase modulation (XPM) is dominant.
当滤波器失谐量较大时，得到同相波长转换结果，此时交叉相位调制(XPM)占主导作用，而滤波器起到提取啁啾信息的作用。
The result shows that:1. Detuning and phase decoherence have influence on maximal entangled fidelity for a arbitrary pure input state.
失谐量和退相干系数对输入态为任意纯态情况下的完全纠缠部分保真度具有一定的影响；
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