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Proceedings Paper

Weighted coupling to reduce sidelobe of the integrated acousto-optic tunable filters
Author(s): Jianmin Cui; Lihui Feng; Wei Liu; Yaguang Tian; Fang Cui; Yunan Sun
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Paper Abstract

The Integrated acousto-optic tunable filter have the potential to perform the OADM or OXC functions, which play significant role in WDM optical network. The characteristic of the acousto-optic mode conversion is sinc2-like functions with high sidelobe intrinsic. The high sidelobe level lead to serious crosstalk in the WDM optical network. The theory of weighted coupling for IAOTF has been presented. And the filter response using four suggested weighted functions has been calculated with the matrix methods. Significant suppression of sidelobe level has been achieved by employing the techniques of weighted coupling. It is a valid approach to reduce the sidelobe of IAOTF by choosing propriety weighted function and a realized way.

Paper Details

Date Published: 30 April 2004
PDF: 6 pages
Proc. SPIE 5279, Optical Fibers and Passive Components, (30 April 2004); doi: 10.1117/12.521491
Show Author Affiliations
Jianmin Cui, Beijing Institute of Technology (China)
Lihui Feng, Beijing Institute of Technology (China)
Wei Liu, Beijing Institute of Technology (China)
Yaguang Tian, Beijing Institute of Technology (China)
Fang Cui, Beijing Institute of Technology (China)
Yunan Sun, Beijing Institute of Technology (China)


Published in SPIE Proceedings Vol. 5279:
Optical Fibers and Passive Components
Steven Shen; Shuisheng Jian; Katsunari Okamoto; Kenneth L. Walker, Editor(s)

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