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Title: Tunable multiple-passband microwave photonic filter based on external optical injected Fabry-Perot laser
Authors: Wang, WX
Huang, L
Tao, J
Zhu, HT
Du, XW 
Hao, LJ
Yu, CY 
Chen, XF
Issue Date: 2019
Publisher: Optical Society of America
Source: Optics express, 29 Apr. 2019, v. 27, no. 9, p. 12491-12503 How to cite?
Journal: Optics express 
Abstract: This paper proposes a tunable multiplc-passband microwave photonic filter (MPF) that is incorporated with an injection-locked Fabry-Perot (FP) laser. In the proposed MPF, multiple passbands can be easily generated based on the frequency-selection effects of the laser structure in the case of multiple light waves injection. The novelty here is that the obtained multiple-passband MPF can achieve either a dual-passband or a single-passband by using merely one experimental scheme. Moreover, since the laser injection ratio of the proposed scheme is high, the central frequency of each passband has a large tunable range. More tunable passbands can be generated by employing more external wavelengths. By fine-detuning the injection parameters, the frequency tuning range of 17 GHz and the out-of-band rejection ratio of 24.1 dB are achieved for the dual-passband MPF, and the out-of-band rejection ratio of 22 dB and the 3-dB bandwidth of 360 MHz are achieved for the single-passband MPF. In addition, the attained peak power and bandwidth of the proposed MPF are investigated with respect to the injection parameters, including detuning frequency, injection ratio and bias current of FP laser. The stability and dynamic range of the MPF are also evaluated through experiments.
EISSN: 1094-4087
DOI: 10.1364/OE.27.012491
Rights: © 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement (
The Author(s) agree that all copies of the Work made under any of the above rights shall prominently include the following copyright notice: “© 2019 Optical Society of America. Users may use, reuse, and build upon the article, or use the article for text or data mining, so long as such uses are for non-commercial purposes and appropriate attribution is maintained. All other rights are reserved.
The following publication Wenxuan Wang, Long Huang, Ji Tao, Huatao Zhu, Xinwei Du, Lijun Hao, Changyuan Yu, and Xiangfei Chen, "Tunable multiple-passband microwave photonic filter based on external optical injected Fabry-Pérot laser," Opt. Express 27, 12491-12503 (2019) is available at
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