Widely tunable single bandpass microwave photonic filter based on dual-fiber stimulated Brillouin scattering

被引：8

作者：

Yan, Juanjuan ^{[1
]}

Li, Liwei ^{[2
]}

Yi, Xiaoke ^{[2
]}

Chew, Suen X. ^{[2
]}

机构：

[1] Beihang Univ, Sch Elect & Informat Engn, Beijing 100191, Peoples R China

[2] Univ Sydney, Inst Photon & Opt Sci, Sch Elect & Informat Engn, Sydney, NSW, Australia

来源：

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2019年 / 61卷 / 04期

基金：

中国国家自然科学基金;

关键词：

Brillouin frequency shift; carrier suppressed single-sideband modulation; fiber; microwave photonic filter; stimulated Brillouin scattering; PERFORMANCE; SPECTRA; GAIN;

D O I：

10.1002/mop.31655

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A new technique to achieve a single bandpass microwave photonic filter (MPF) with wide tunability based on stimulated Brillouin scattering is proposed. The MPF cascades the Brillouin frequency shifter and amplification based on a dual-fiber structure. The experimental results present a single bandpass MPF located at 21.4 GHz with a 3-dB bandwidth of 38 MHz and an out-of-band rejection ratio over 30 dB. The proposed single bandpass MPF also successfully demonstrates a wide-band tuning over 40 GHz, which is achieved by employing a frequency shifter based on carrier suppressed single-sideband modulation scheme in the structure.

引用

页码：954 / 958

页数：5

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