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Laser & Optoelectronics Progress, Volume. 61, Issue 23, 2314010(2024)

Interference-Filter-Type External-Cavity Diode Laser with a Narrow Linewidth of 6 kHz

Yuwei Yang1,2,3、*, Di Hu2,3, Meifeng Ye2,3,4, Heng Xiong2,3, Langlang Gong2,3, Ailong Tao2,3, Su Fang2,3, Lingke Wang2,3, Di Ai2,3, Lin Li2,3, Xinping Xu2,3, Zhen Xu2,3, Ping Xu5, Jijun Feng1, Liang Liu2,3,4, and Tang Li2,3,4
Author Affiliations
  • 1School of Optical-Electrical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
  • 2Wangzhijiang Innovation Center for Laser, Aerospace Laser Technology and System Department, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
  • 3Key Laboratory of Quantum Optics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
  • 4Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
  • 5Center for Excellence in Quantum Information and Quantum Physics, Chinese Academy of Sciences, University of Science and Technology of China, Shanghai 230026, China
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    References (29)
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    Schematic of experimental light path

    Fig. 1. Schematic of experimental light path

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    Structural schematic of external cavity diode laser

    Fig. 2. Structural schematic of external cavity diode laser

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    Structure diagram of ECDL. (a) Internal structure; (b) external structure

    Fig. 3. Structure diagram of ECDL. (a) Internal structure; (b) external structure

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    Thermal deformation simulation results of laser system for different structural materials. (a) Invar; (b) aluminum alloy

    Fig. 4. Thermal deformation simulation results of laser system for different structural materials. (a) Invar; (b) aluminum alloy

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    Performance testing. (a) Relationship between output power and driven current measurement of IF-ECDL and bare LD at 20 ℃; (b) PZT frequency sweep test; (c) power fluctuation monitoring when the current is 150 mA; (d) frequency variation monitoring over 8 h

    Fig. 5. Performance testing. (a) Relationship between output power and driven current measurement of IF-ECDL and bare LD at 20 ℃; (b) PZT frequency sweep test; (c) power fluctuation monitoring when the current is 150 mA; (d) frequency variation monitoring over 8 h

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    Laser linewidth test. (a) Beat signal spectrum; (b) frequency noise spectra for ECDL

    Fig. 6. Laser linewidth test. (a) Beat signal spectrum; (b) frequency noise spectra for ECDL

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    Yuwei Yang, Di Hu, Meifeng Ye, Heng Xiong, Langlang Gong, Ailong Tao, Su Fang, Lingke Wang, Di Ai, Lin Li, Xinping Xu, Zhen Xu, Ping Xu, Jijun Feng, Liang Liu, Tang Li. Interference-Filter-Type External-Cavity Diode Laser with a Narrow Linewidth of 6 kHz[J]. Laser & Optoelectronics Progress, 2024, 61(23): 2314010

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    Paper Information

    Category: Lasers and Laser Optics

    Received: Mar. 20, 2024

    Accepted: Apr. 18, 2024

    Published Online: Dec. 5, 2024

    The Author Email:

    DOI:10.3788/LOP241051

    CSTR:32186.14.LOP241051

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology