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首页> 外文期刊>Optics Letters >Ultrahigh-Q and tunable single-passband microwave photonic filter based on stimulated Brillouin scattering and a fiber ring resonator
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Ultrahigh-Q and tunable single-passband microwave photonic filter based on stimulated Brillouin scattering and a fiber ring resonator

机译：基于刺激布里渊散射的超高Q和可调谐单通带微波过滤器和光纤环谐振器

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摘要

A scheme to perform ultrahigh-Q and single passband microwave photonic filter (MPF) with tunability is proposed and experimentally demonstrated. The single passband of the MPF is implemented by the stimulated Brillouin scattering (SBS) in an optical fiber. The ultrahigh-Q of the MPF is realized due to the ultra-narrow resonant linewidth of the fiber ring resonator, which compresses the bandwidth of the SBS dramatically. A MPF with a single passband and an ultra-narrow 3 dB bandwidth of 825 +/- 125 kHz over the wide center frequency tuning range of 2-16 GHz are achieved. The MPF also shows high out-of-band suppression exceeding 25 dB and small amplitude fluctuation of +/- 1.8 dB within the tuning range. The maximum Q-factor of the MPF is 17778. To the best of our knowledge, this is the highest Q single-passband MPF reported to date, with wide tunability, high out-of-band suppression, and a simple structure. (C) 2018 Optical Society of America
机译：提出了一种具有可调性的超高Q和单通带微波光学滤光器（MPF）的方案进行了实验证明。 MPF的单通带由光纤中的受激假地散射（SBS）实现。 由于光纤环谐振器的超窄谐振线宽，因此实现了MPF的超高Q，其在显着地压缩SBS的带宽。 实现了在宽中心频率调谐范围内的单个通带和超窄3 dB带宽为2-16GHz的宽中心频率调谐范围的MPF，可以实现825 +/- 125 kHz。 MPF还显示出高于25dB的高带外抑制，在调谐范围内超过+/- 1.8dB的小幅度波动。 MPF的最大Q系数是17778.据我们所知，这是迄今为止报告的最高Q单通带MPF，具有广泛的可调性，高带抑制和简单的结构。 （c）2018年光学学会

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  • 来源
    《Optics Letters》 |2018年第19期|共4页
  • 作者

    Wen Hua Shun; Li Ming; Li Wei; Zhu Ning Hua;

  • 作者单位

    Chinese Acad Sci Inst Semicond State Key Lab Integrated Optoelect Beijing 100083 Peoples R China;

    Chinese Acad Sci Inst Semicond State Key Lab Integrated Optoelect Beijing 100083 Peoples R China;

    Chinese Acad Sci Inst Semicond State Key Lab Integrated Optoelect Beijing 100083 Peoples R China;

    Chinese Acad Sci Inst Semicond State Key Lab Integrated Optoelect Beijing 100083 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 计量学;光学;
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