Optical switch based on multimode interference coupler

被引：70
|
作者：
Wang, F [1 ]
Yang, JY
Chen, LM
Jiang, XQ
Wang, MH
机构：
[1] Zhejiang Univ, Dept Informat Sci & Elect Engn, Hangzhou 310027, Peoples R China
[2] Zhejiang Univ, State Key Lab Modern Opt Instrumentat, Hangzhou 310027, Peoples R China
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2006年 / 18卷 / 1-4期
基金：
中国国家自然科学基金;
关键词：
integrated optics; multimode interference (MMI); optical switch; optical waveguide; polymer; thermooptic (TO) effect;
D O I：
10.1109/LPT.2005.863201
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：
An optical switch based on the multimode interference (MMI) coupler is demonstrated in this letter. The device is designed and fabricated in polymeric materials and the thermooptic (TO) effect of polymers, which has a negative TO coefficient, is employed to change the self-imaging effect of a side-heated MMI coupler and realize optical switching. The switching power is only 22 mW. The experimental results show that the crosstalk of the switch is about -20 dB at both the cross and bar states.
引用
收藏
页码：421 / 423
页数：3
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