Widely Tunable Microwave Photonic Filter Based on Semiconductor Optical Amplifier

Xiang Li; Yuan Yu; Jianji Dong; Xinliang Zhang

doi:10.1364/ACP.2010.798820

Optical Transmission Systems, Switching, and Subsystems VIII
Proceedings of SPIE-OSA (Optica Publishing Group, 2010),
paper 798820
•https://doi.org/10.1364/ACP.2010.798820

Widely Tunable Microwave Photonic Filter Based on Semiconductor Optical Amplifier

Xiang Li, Yuan Yu, Jianji Dong, and Xinliang Zhang

Asia Communications and Photonics Conference and Exhibition 2010

Shanghai China
8–12 December 2010
ISBN: 9780819485564

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X. Li, Y. Yu, J. Dong, and X. Zhang, "Widely Tunable Microwave Photonic Filter Based on Semiconductor Optical Amplifier," in Optical Transmission Systems, Switching, and Subsystems VIII, Y. Su, E. Ciaramella, X. Liu, and N. Wada, eds., Vol. 7988 of Proceedings of SPIE-OSA (Optica Publishing Group, 2010), paper 798820.

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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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