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Narrow linewidth VCSEL based on resonant optical feedback from an on-chip microring add-drop filter

机译:基于片上微管add-DROP滤波器的谐振光反馈的窄线宽VCSEL

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摘要

We demonstrate a narrow linewidth vertical-cavity surface-emitting laser (VCSEL) by injecting resonant optical feedback into the lasing cavity. A single longitudinal mode VCSEL with a Lorentzian linewidth of 32.6 kHz and a purified optical spectrum is experimentally achieved by an on-chip microring add-drop filter with a quality factor of 1.36 million, where the feedback level is -47.77 dB. The frequency noise spectrum of the VCSEL demonstrates that the thermo-optic effect in the microring resonator can also stabilize the lasing frequency. A VCSEL with narrow linewidth and stable frequency provides a high-performance light source for a single VCSEL or VCSM array-based application. (C) 2021 Optical Society of America
机译:我们通过向激射腔中注入谐振光反馈,实现了窄线宽垂直腔面发射激光器(VCSEL)。通过一个质量因子为136万的片上微环加降滤波器,实验获得了洛伦兹线宽为32.6 kHz、光谱纯净的单纵模VCSEL,其中反馈电平为-47.77 dB。VCSEL的频率噪声谱表明,微环谐振器中的热光效应也可以稳定激光频率。窄线宽和稳定频率的VCSEL为基于单个VCSEL或VCSM阵列的应用提供了高性能光源。(2021)美国光学学会

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  • 来源
    《Optics Letters》 |2021年第10期|共4页
  • 作者单位

    Chongqing Univ Key Lab Optoelect Technol &

    Syst Educ Minist China Chongqing 400044 Peoples R China;

    Chongqing Univ Key Lab Optoelect Technol &

    Syst Educ Minist China Chongqing 400044 Peoples R China;

    Chongqing Univ Key Lab Optoelect Technol &

    Syst Educ Minist China Chongqing 400044 Peoples R China;

    Chongqing Univ Key Lab Optoelect Technol &

    Syst Educ Minist China Chongqing 400044 Peoples R China;

    Chongqing Univ Key Lab Optoelect Technol &

    Syst Educ Minist China Chongqing 400044 Peoples R China;

    Chongqing Univ Key Lab Optoelect Technol &

    Syst Educ Minist China Chongqing 400044 Peoples R China;

    Chongqing Univ Key Lab Optoelect Technol &

    Syst Educ Minist China Chongqing 400044 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;
  • 关键词

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