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Proceedings Paper

Theory of acousto-optic mode coupling and experimental study on fiber null coupler
Author(s): Lei Wu; Yuan Zheng; Baoqing An; Shuqiang Chen
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Paper Abstract

We recently developed an acousto-optic (AO) device that based on one such all-fiber component, and one single-mode fused taper null coupler. It has been successfully demonstrated as an optical switch at wavelength of 1.55micrometers . According to the coupled mode theory, power distribution of the null coupler with the acoustic-wave is formulated for general case. Excess loss of 0.1dB and the schematic graph of throughput and coupled power are obtained experimentally. The driven power requirement is very small.

Paper Details

Date Published: 16 October 2001
PDF: 5 pages
Proc. SPIE 4603, Fiber Optics and Optoelectronics for Network Applications, (16 October 2001); doi: 10.1117/12.444579
Show Author Affiliations
Lei Wu, Beijing Univ. of Posts and Telecommunications (China)
Yuan Zheng, Beijing Univ. of Posts and Telecommunications (China)
Baoqing An, Global Opticom Co. (China)
Shuqiang Chen, Beijing Univ. of Posts and Telecommunications (China)


Published in SPIE Proceedings Vol. 4603:
Fiber Optics and Optoelectronics for Network Applications

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