25 June 2014 Filtering properties of the tunable microwave photonic filter with stimulated Brillouin scattering
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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.
© 2014 Society of Photo-Optical Instrumentation Engineers (SPIE)
Xiuyou Han, Xiuyou Han, Lina Wang, Lina Wang, Yuchen Shao, Yuchen Shao, Chao Tong, Chao Tong, Qing Ye, Qing Ye, Yiying Gu, Yiying Gu, Mingshan Zhao, 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 . Submission:
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