When nonlinearity is introduced into the PC waveguides, the nonlinear induced self-phase modulation (SPM) effect could balance the effect of GVD, leading to the generation of optical solitons.

• 当光子晶体波导材料由非线性材料构成时,与光强相关的自相位调制和群速度色散相互作用,在两者达到平衡时就可以产生光孤子。