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18 February 2011 Widely tunable microwave photonic filter based on semiconductor optical amplifier
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Proceedings Volume 7988, Optical Transmission Systems, Switching, and Subsystems VIII; 798820 (2011) https://doi.org/10.1117/12.888324
Event: Asia Communications and Photonics Conference and Exhibition, 2010, Shanghai, Shanghai, China
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.
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Xiang Li, Yuan Yu, Jianji Dong, and Xinliang Zhang "Widely tunable microwave photonic filter based on semiconductor optical amplifier", Proc. SPIE 7988, Optical Transmission Systems, Switching, and Subsystems VIII, 798820 (18 February 2011); https://doi.org/10.1117/12.888324
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