光致异构聚合物中光学空间孤子的垂直全光调控

Perpendicular all-optical control of optical spatial soliton in photoisomerized polymers

用数值方法研究了在具有光致异构非线性的聚合物中光学空间孤子的垂直全光调控.结果表明,对于调控光和信号光是相干的情况,被调控的信号光会产生散射甚至坍塌、微偏转等现象,其作用强弱依赖于两束光的初始相位之差、调控光光强、调控光入射位置等.这种垂直全光调控效应有望应用于全光开光、光集成等方面.

In the photoisomerized polymer, the perpendicular and all-optical control of optical spatial soliton is simulated by numerical method. Tbe results show that if the controlling beam （c-beam） and the signal beam （s-beam） are coherent, the s-beam under controll of the c-beam will be dispersed, deflected or even collapse. The interactions depend on the difference of the two beam＇ s initial phases,c-beam＇ s intensity and the incident position of c-beam. The effect of perpendicular and all optical control has potential applieations in all-optical switching and optical integration.