Chinese Journal of Lasers B, 2002, 11 (3): 178, 网络出版: 2006-08-08  

Power Analysis and Experimental Study of the Fiber Null Coupler with an Acousto-optic Device

Power Analysis and Experimental Study of the Fiber Null Coupler with an Acousto-optic Device
作者单位
School of Telecommunication Engineering,Beijing University ofPost and Telecommunications,Beijing 100876,China
摘要
Abstract
A single-mode fiber acousto-optic (AO) switch based on a null coupler at wavelength of 1. 55 μm is reported. According to the coupled mode theory,power distribution of the null coupler with the acoustic-wave is formulated for general case. Excess loss of 0. 1 dB and the schematic graph of throughput and coupled power are obtained experimentally.

WU Lei, ZHENG Yuan, QI Jiang, PU Hongtu, CHEN Shuqiang. Power Analysis and Experimental Study of the Fiber Null Coupler with an Acousto-optic Device[J]. Chinese Journal of Lasers B, 2002, 11(3): 178. WU Lei, ZHENG Yuan, QI Jiang, PU Hongtu, CHEN Shuqiang. Power Analysis and Experimental Study of the Fiber Null Coupler with an Acousto-optic Device[J]. 中国激光(英文版), 2002, 11(3): 178.

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