Experimental results for a CW-mode optically controlled microwave switch on a silicon-based coplanar waveguide

被引：6
|
作者：
Lee, S [1 ]
Kuga, Y [1 ]
Mullen, RA [1 ]
机构：
[1] Univ Washington, Dept Elect Engn, Seattle, WA 98195 USA
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2003年 / 36卷 / 04期
关键词：
optical control; microwave switch; coplanar waveguide; CW lasers; photoconductivity;
D O I：
10.1002/mop.10737
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：
A CW-mode optically controlled microwave sit itch (CW-mode OMS) on a coplanar waveguide (CPW) for both a standard and a new design with carrier-confinement structure is investigated. We experimentally show that it may, not be possible to obtain less than 7 dB of insertion loss with the standard OMS, and the carrier diffusion limits the improvement of insertion loss in CW-mode operation. We present a new design with a carrier-confinement structure with silicon (Si) substrate etching to confine the optically generated free-carriers. Less than 2 dB of insertion loss is obtained with the new carrier-confined OMS. (C) 2003 Wile Periodicals, Inc.
引用
收藏
页码：257 / 262
页数：6
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