Widely tunable microwave photonic filter based on four-wave mixing

被引：3
|
作者：
Cao, Ye [1 ]
Xu, Dong [2 ]
Chen, Lei [3 ]
Tong, Zhengrong [2 ]
Yang, Jingpeng [2 ]
机构：
[1] Qingdao Univ, Sch Elect & Informat Engn, Qingdao 266071, Peoples R China
[2] Tianjin Univ Technol, Commun Devices & Technol Engn Res Ctr, Sch Comp & Commun Engn, Tianjin 300384, Peoples R China
[3] Beijing Inst Technol, Sch Software, Beijing 100081, Peoples R China
来源：
OPTICAL ENGINEERING | 2017年 / 56卷 / 02期
基金：
中国国家自然科学基金;
关键词：
microwave photonic filter; four-wave mixing; single-frequency laser; wavelength spacing; tunable filter; STIMULATED BRILLOUIN-SCATTERING; SINGLE-BANDPASS FILTER; FIBER LASER;
D O I：
10.1117/1.OE.56.2.026110
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
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. (C) 2016 Society of Photo-Optical Instrumentation Engineers (SPIE)
引用
收藏
页数：5
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