An integrated electro-optic E-field sensor with segmented electrodes

被引：10
|
作者：
Zhang, FW [1 ]
Chen, FS [1 ]
Qiu, K [1 ]
机构：
[1] Univ Elect Sci & Technol China, Key Opt Fiber Lab, Chengdu 610054, Peoples R China
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2004年 / 40卷 / 04期
关键词：
E-field sensor; Mach-Zehnder interferometer; modulator electrode; sensitivity;
D O I：
10.1002/mop.11361
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 integrated electro-optical E-field sensor using a proton-exchanged LiNbO3 Mach-Zehnder (M-Z) interferometer with a combined antenna and modulator electrode structure is designed and fabricated to improve the sensitivity and bandwidth of the device. The experimental results show that the minimum detectable voltage is 0.22 mV at 900 MHz and the laser diode has a 5.6-mA bias current. Variation of the sensitivity with the frequency is analyzed using the method of moments (MoM), and the calculated results basically agree with the measured results. (C) 2004 Wiley Periodicals, Inc.
引用
收藏
页码：302 / 305
页数：4
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