Electric Voltage Tuning of an All-fiber Mach-Zehnder Interferometer

冯德军; 开桂云; 黄勇林; 蒙红云; 袁树忠; 董孝义

Chinese Journal of Lasers B, 2002, 11 (4): 281, 网络出版: 2006-08-08

Electric Voltage Tuning of an All-fiber Mach-Zehnder Interferometer

论文大纲

冯德军 ^*开桂云黄勇林蒙红云袁树忠董孝义

作者单位

Center of Photon Technology, Nankai University, Tianjin 300071, China

Mach-Zehnder interferometer PZT electric voltage tuning tuning sensitivity

摘要

Abstract

The electric voltage tuning performance of an all-fiber Mach-Zehnder interferometer which has unequal arm-length is studied in this paper. This interferometer consists of two 3 dB fiber directional couplers, with one arm is affixed to a piezoelectric translators (PZT). When the voltage applied on the PZT changes, the output interferometric pattern will shift accordingly. The transmission period of the interferometer is 2.24 nm. When the direct current electric voltage changes from 28.7 volt to -28.7 volt, the pattern will shift for nearly one of its own period. The tuning sensitivity is about 0.038 nm/volt, and the linearity is 0.9991. Also, the relationship between the physical path length difference of the two arms and the interval of adjacent interferometric peaks is discussed. This component has potential important applications in electric sensing measurement and optical fiber communication field.

参考文献

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冯德军, 开桂云, 黄勇林, 蒙红云, 袁树忠, 董孝义. Electric Voltage Tuning of an All-fiber Mach-Zehnder Interferometer[J]. Chinese Journal of Lasers B, 2002, 11(4): 281. FENG Dejun, KAI Guiyun, HUANG Yonglin, MENG Hongyun, YUAN Shuzhong, DONG Xiaoyi. Electric Voltage Tuning of an All-fiber Mach-Zehnder Interferometer[J]. 中国激光(英文版), 2002, 11(4): 281.

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