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Proceedings Paper

Widely tunable microwave photonic filter based on semiconductor optical amplifier
Author(s): Xiang Li; Yuan Yu; Jianji Dong; Xinliang Zhang
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Paper Abstract

In this paper, a tunable microwave photonic filter with one complex coefficient is proposed and experimentally demonstrated. The complex coefficient is generated using a tunable optical RF phase shifter that consists of a semiconductor optical amplifier (SOA) and a tunable band-pass filter (TBPF). The phase of the RF signal is shifted by the differentiation process in semiconductor optical amplifier (SOA) where both Cross-Phase Modulation (XPM) and Cross-Gain Modulation (XGM) effects are exploited simultaneously. A two-tap photonic microwave filter with one tunable complex coefficient and a tuning range of a full free spectral range (FSR), is experimentally demonstrated.

Paper Details

Date Published: 18 February 2011
PDF: 6 pages
Proc. SPIE 7988, Optical Transmission Systems, Switching, and Subsystems VIII, 798820 (18 February 2011); doi: 10.1117/12.888324
Show Author Affiliations
Xiang Li, Huazhong Univ. of Science and Technology (China)
Yuan Yu, Huazhong Univ. of Science and Technology (China)
Jianji Dong, Huazhong Univ. of Science and Technology (China)
Xinliang Zhang, Huazhong Univ. of Science and Technology (China)


Published in SPIE Proceedings Vol. 7988:
Optical Transmission Systems, Switching, and Subsystems VIII
Yikai Su; Ernesto Ciaramella; Xiang Liu; Naoya Wada, Editor(s)

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