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Proceedings Paper

Microwave photonic interference mitigation filter based on semiconductor optical amplifier
Author(s): Enming Xu; Xinliang Zhang; Lina Zhou; Yu Zhang; Yuan Yu; Fei Wang; Dexiu Huang
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Paper Abstract

A microwave photonic interference mitigation filter is proposed and experimentally demonstrated. The structure is based on a recirculating delay line loop comprising a semiconductor optical amplifier (SOA) and a tunable narrowband optical filter. Converted signal used as negative tap is generated through wavelength conversion employing cross-gain modulation of amplified spontaneous emission spectrum of the SOA. The converted signal circulating in the RDL loop realizes a high quality factor (Q) response after photo-detection. A bandpass response with negative coefficients combined with a broadband allpass response achieves a notch response with flat passband.

Paper Details

Date Published: 1 December 2009
PDF: 6 pages
Proc. SPIE 7632, Optical Transmission Systems, Switching, and Subsystems VII, 76322D (1 December 2009); doi: 10.1117/12.851477
Show Author Affiliations
Enming Xu, Huazhong Univ. of Science and Technology (China)
Xinliang Zhang, Huazhong Univ. of Science and Technology (China)
Lina Zhou, Huazhong Univ. of Science and Technology (China)
Yu Zhang, Huazhong Univ. of Science and Technology (China)
Yuan Yu, Huazhong Univ. of Science and Technology (China)
Fei Wang, Huazhong Univ. of Science and Technology (China)
Dexiu Huang, Huazhong Univ. of Science and Technology (China)


Published in SPIE Proceedings Vol. 7632:
Optical Transmission Systems, Switching, and Subsystems VII
Dominique Chiaroni, Editor(s)

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