All optical switching and continuum generation in silicon waveguides

被引：199

作者：

Boyraz, Ö ^{[1
]}

Koonath, P ^{[1
]}

Raghunathan, V ^{[1
]}

Jalali, B ^{[1
]}

机构：

[1] Univ Calif Los Angeles, Optoelect Circuits & Syst Lab, Los Angeles, CA 90095 USA

来源：

OPTICS EXPRESS | 2004年 / 12卷 / 17期

关键词：

D O I：

10.1364/OPEX.12.004094

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

First demonstration of cross phase modulation based interferometric switch is presented in silicon on insulator waveguides. By using Mach-Zehnder interferometric configuration we experimentally demonstrate switching of CW signal similar to25 nm away from the pump laser. We present the effect of free carrier accumulation on switching. Additionally, we theoretically analyze the transient effects and degradations due to free carrier absorption, free carrier refraction and two photon absorption effects. Results suggest that at low peak power levels the system is governed by Kerr nonlinearities. As the input power levels increase the free carrier effects becomes dominant. Effect of free carrier generation on continuum generation and power transfer also theoretically analyzed and spectral broadening factor for high input power levels is estimated. (C) 2004 Optical Society of America.

引用

页码：4094 / 4102

页数：9

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