invesrsion spectrum

Mid span spectral inversion based on the nonlinear four wave mixing in dispersion shifted fiber is used to compensate for fiber dispersion.

５Ｇｂ／ｓ直接调制光信号的２００公里常规单模光纤传输实验，系统中采用了基于色散位移光纤中四波混频效应的中点谱反转技术以补偿光纤色散的影响。