Soliton Effects in Nonlinear Guided-Wave Optics

最近，理论上已经表明，类孤子波可以被 由包含至少一个克尔的光波导结构引导， 类型，自聚焦介质，以及在高 激发，空间孤子可以从这样的非线性发射 结构 这导致了新的基于孤子的单光子晶体的预测 波导器件，如光限幅器和全光开关， 以及隔离波导之间的新的耦合模式。 该建议涉及理论和实验相结合的方案， 以理论为先导，建立可行性观察， 利用基于空间孤子的非线性导波现象， 集成光学 调查人员将首先：（a）扩大其 以前的2-D cw研究到完整的3-D模拟;（B）结合更多 现实的材料非线性，并评估其对这些 （c）解决整个四维时空问题， 与脉冲输入相关联;以及（d）搜索新的基于孤子的 用于单波导和多波导的器件。 基于这些计算 与此同时，将启动实验， 非线性波导中的时空孤子效应 结构.

It has recently been shown theoretically that soliton-like waves can be guided by optical waveguiding structures containing at least one Kerr- type, self-focusing medium, and that under conditions of high excitation, spatial solitons can be emitted from such a nonlinear structure. This has led to the prediction of new soliton-based single waveguide devices such as optical limiters and all-optical switches, as well as new modes of coupling between isolated waveguides. This proposal concerns a combined program of theory and experiment, with theory leading the way, to establish the feasibility of observing and utilizing spatial-soliton-based nonlinear guided-wave phenomena in integrated optics. The investigators will initially: (a) extend their previous 2-D cw studies to full 3-D simulations; (b) incorporate more realistic material nonlinearities and assess their effects on these phenomena; (c) address the full 4-D spatio-temporal problem which is associated with pulsed inputs; and (d) search for new soliton-based devices for single and multiple waveguides. Based on these calculations and in parallel with them, experiments will be initiated to investigate both spatial and temporal soliton effects in nonlinear waveguiding structures.