Lasers, Fiber Optics, and Communications

Widely tunable microwave photonic filter based on four-wave mixing

[+] Author Affiliations
Ye Cao

Qingdao University, School of Electronic and Information Engineering, Qingdao 266071, China

Dong Xu, Zhengrong Tong, Jingpeng Yang

Tianjin University of Technology, Communication Devices and Technology Engineering Research Center, School of Computer and Communication Engineering, Tianjin 300384, China

Lei Chen

Beijing Institute of Technology, School of Software, Beijing 100081, China

Opt. Eng. 56(2), 026110 (Feb 11, 2017). doi:10.1117/1.OE.56.2.026110
History: Received June 28, 2016; Accepted December 27, 2016
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Abstract.  A microwave photonic filter (MPF) based on four-wave mixing (FWM) is proposed and experimentally demonstrated. Two single-frequency laser beams produce the four-wave-mixing effect in a highly nonlinear fiber and generate a multiwavelength optical signal output. The multiwavelength optical signal is used to generate the multitaps of the MPF. The wavelength spacing of the multiwavelength optical source is equal to the frequency difference of the two input laser beams. By changing the frequency difference of the two input laser beams, wavelength spacing of the multiwavelength optical source output can be continuously tuned in the range of 0.36 to 1.6 nm. Thus the center frequency of the filter can be continuously tuned within the range of 6.914 to 30.729 GHz.

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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

Ye Cao ; Dong Xu ; Lei Chen ; Zhengrong Tong and Jingpeng Yang
"Widely tunable microwave photonic filter based on four-wave mixing", Opt. Eng. 56(2), 026110 (Feb 11, 2017). ; http://dx.doi.org/10.1117/1.OE.56.2.026110


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