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.
参考文献

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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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