Variable bandwidth of dynamic add-drop filters based on coupling-controlled microdisk resonators

被引：25
|
作者：
Lee, Ming-Chang M. [1 ]
Wu, Ming C.
机构：
[1] Natl Tsing Hua Univ, Inst Photon Technol, Hsinchu 30055, Taiwan
[2] Univ Calif Berkeley, Dept Elect Engn & Comp Sci, Berkeley, CA 94720 USA
来源：
OPTICS LETTERS | 2006年 / 31卷 / 16期
关键词：
D O I：
10.1364/OL.31.002444
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Dynamic add-drop filters with variable bandwidth are demonstrated on microelectromechanical-system (MEMS)-actuated microdisk resonators for what is believed to be the first time. The tuning mechanism is based on a variable power coupling ratio that is controlled by varying the gap spacing between the wave-guide and the microdisk through MEMS actuators. The results show wavelength switching with an extinction ratio of 20 dB and a tunable bandwidth ranging from 12 to 27 GHz. These dual functions were realized using the device with the operation voltage varying between 0 and 35 V. (c) 2006 Optical Society of America.
引用
收藏
页码：2444 / 2446
页数：3
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