The deviation of Bragg reflection wavelength with respect to the lasing wavelength is related to reflectivity distribution of fiber Bragg grating, gain spectral distribution of semiconductor gain media and gain peak wavelength.

 
  • 布拉格反射波长相对于激射波长的偏移量与FBG的反射率分布、半导体增益介质的增益谱分布及增益峰值波长有关;
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