Filtering properties of the tunable microwave photonic filter with stimulated Brillouin scattering

Xiuyou Han; Lina Wang; Yuchen Shao; Chao Tong; Qing Ye; Yiying Gu; Mingshan Zhao

doi:10.1117/1.OE.53.6.066110

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25 June 2014 Filtering properties of the tunable microwave photonic filter with stimulated Brillouin scattering

Xiuyou Han, Lina Wang, Yuchen Shao, Chao Tong, Qing Ye, Yiying Gu, Mingshan Zhao

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Optical Engineering, 53(6), 066110 (2014). https://doi.org/10.1117/1.OE.53.6.066110

Abstract

The filtering properties of a continuously tunable single-passband microwave photonic filter based on stimulated Brillouin scattering (SBS) are investigated. The filter utilizes the advantage of combining phase-modulated RF signal and dual-sideband suppressed-carrier pump signal to achieve the SBS-based tunable narrowband filtering. The effects of pump power on the out-of-band rejection (OBR) and 3-dB bandwidth, the optical fiber structure on the resonant sideband, and input RF signal power on the OBR and 3-dB bandwidth are analyzed theoretically and experimentally. The results show that the pump power has the potential of increasing the OBR and tuning 3-dB bandwidth, whereas the RF signal power has nearly no influence on the two parameters.

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Xiuyou Han, Lina Wang, Yuchen Shao, Chao Tong, Qing Ye, Yiying Gu, and Mingshan Zhao "Filtering properties of the tunable microwave photonic filter with stimulated Brillouin scattering," Optical Engineering 53(6), 066110 (25 June 2014). https://doi.org/10.1117/1.OE.53.6.066110

Published: 25 June 2014

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