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Laser & Optoelectronics Progress, Volume. 59, Issue 1, 0127001(2022)

Sub-Shot-Noise Sub-Hertz Laser-Interferometric Measurement

Peng Yang1、*, Xuezhi Ke1, Fenglei Zhang1, Yunlong Sun1, and Boya Xie2、**
Author Affiliations
  • 1Laboratory of Precision Optical Measurement, School of Electrical and Electronic Information Engineering, Hubei Polytechnic University, Huangshi , Hubei 435003, China
  • 2Hubei Key Laboratory of Modern Manufacturing Quantity Engineering, School of Mechanical Engineering, Hubei University of Technology, Wuhan , Hubei 430068, China
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    Schematic of sub-shot-noise sub-Hertz laser-interferometric measurement

    Fig. 1. Schematic of sub-shot-noise sub-Hertz laser-interferometric measurement

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    Simulation results of relative phase locking of interferometer. (a) Error signal; (b) intensity of P polarized light; (c) intensity of S polarized light; (d) intensity of squeezed light

    Fig. 2. Simulation results of relative phase locking of interferometer. (a) Error signal; (b) intensity of P polarized light; (c) intensity of S polarized light; (d) intensity of squeezed light

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    Shot noise of Michelson interferometer

    Fig. 3. Shot noise of Michelson interferometer

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    Sensitivity of Michelson interferometer. (a)-(d) Corresponding to noise level with signal optical power of 1, 2, 4, 8 mW respectively

    Fig. 4. Sensitivity of Michelson interferometer. (a)-(d) Corresponding to noise level with signal optical power of 1, 2, 4, 8 mW respectively

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    Peng Yang, Xuezhi Ke, Fenglei Zhang, Yunlong Sun, Boya Xie. Sub-Shot-Noise Sub-Hertz Laser-Interferometric Measurement[J]. Laser & Optoelectronics Progress, 2022, 59(1): 0127001

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    Paper Information

    Category: Quantum Optics

    Received: Apr. 20, 2021

    Accepted: May. 6, 2021

    Published Online: Dec. 23, 2021

    The Author Email: Peng Yang (d201277047@alumni.hust.edu.cn), Boya Xie (936976175@qq.com)

    DOI:10.3788/LOP202259.0127001

    Topics

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