By using optical filter to filter out mixing light, the wavelength conversion of signal laser can be obtained.

利用光学滤波器，滤出四波混频分量，即可实现信号光的波长变换。

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By using optical filter to filter out mixing light, the wavelength conversion of signal laser can be obtained.

利用光学滤波器，滤出四波混频分量，即可实现信号光的波长变换。

youdao