Compact versatile thermooptical space switch based on beam steering by a waveguide array

被引：28

作者：

Flück, E ^{[1
]}

Horst, F ^{[1
]}

Offrein, BJ ^{[1
]}

Germann, R ^{[1
]}

Salemink, HWM ^{[1
]}

Bona, GL ^{[1
]}

机构：

[1] IBM Corp, Zurich Res Lab, CH-8803 Ruschlikon, Switzerland

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 1999年 / 11卷 / 11期

关键词：

arrayed-waveguide grating; beam steering; optical switches; silicon-oxynitride;

D O I：

10.1109/68.803058

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We present the implementation of an optical space switching concept based on thermooptic beam steering in an arrayed waveguide grating. Individual addressing of heaters on the array waveguides enables flexible switching of input signals to output waveguide channels. The switch can be used either as a 1-to-8 switch or as multiple parallel 1-to-4, 1-to-3, or 1-to-2 switches. For the implementation we used high-refractive-index SiON-SiO2 planar waveguide technology, which allows the realization of compact devices using small bending radii, We achieved isolations of the "off" channels with respect to the "on" channel of up to 29 dB for a 1-to-3 switch or better than 22 dB for all "off" waveguides for a 1-to-8 switch.

引用

页码：1399 / 1401

页数：3