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Laser & Optoelectronics Progress, Volume. 60, Issue 23, 2314004(2023)

All-Optical Control of Ultrahigh-Q Whispering Gallery Microspheres with Laser-Induced Graphene

Xueyang Zhang, Huomu Yang, Guoliang Deng*, and Shouhuan Zhou
Author Affiliations
  • College of Electronics and Information Engineering, Sichuan University, Chengdu 610065, Sichuan, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (6)
    Equations (2)
    References (31)
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    Figures & Tables(6)
    Manufacturing method and characteristics of LIG. (a) Schematic of manufacturing LIG; (b) image of LIG; (c) Raman spectrum of LIG; (d) transmission spectrum of LIG; (e) SEM image of LIG (scale is 20 μm); (f) micrograph of a microsphere fixed on LIG (scale is 100 μm)

    Fig. 1. Manufacturing method and characteristics of LIG. (a) Schematic of manufacturing LIG; (b) image of LIG; (c) Raman spectrum of LIG; (d) transmission spectrum of LIG; (e) SEM image of LIG (scale is 20 μm); (f) micrograph of a microsphere fixed on LIG (scale is 100 μm)

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    Schematic of the experiment setup for the all-optical control

    Fig. 2. Schematic of the experiment setup for the all-optical control

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    Characteristics of microsphere with LIG and its tunability. (a) Transmission spectrum in the range of 1558 from 1563 nm; (b) transmission spectrum of a single resonance mode; (c) mode redshift with increasing pump power; (d) wavelength shift with pump power; (e) Q factor with pump power

    Fig. 3. Characteristics of microsphere with LIG and its tunability. (a) Transmission spectrum in the range of 1558 from 1563 nm; (b) transmission spectrum of a single resonance mode; (c) mode redshift with increasing pump power; (d) wavelength shift with pump power; (e) Q factor with pump power

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    All-optical modulation of the reflection spectra. (a) Transmission and reflection spectra in the range of 1559.7 to 1560.1 nm; (b) enlarged transmission and reflection spectra; (c) redshift of the reflection spectra with increasing pump power; (d) wavelength shift of the reflection spectra with pump power

    Fig. 4. All-optical modulation of the reflection spectra. (a) Transmission and reflection spectra in the range of 1559.7 to 1560.1 nm; (b) enlarged transmission and reflection spectra; (c) redshift of the reflection spectra with increasing pump power; (d) wavelength shift of the reflection spectra with pump power

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    Measure optical response. (a) Synchronization signal of the 980 nm pump light; (b) all-optical tuning of the response signal

    Fig. 5. Measure optical response. (a) Synchronization signal of the 980 nm pump light; (b) all-optical tuning of the response signal

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    • Table 1. Performance of different all-optical tuning schemes

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      Table 1. Performance of different all-optical tuning schemes

      MethodShapeQ factorTuning range/nmReference
      Iron oxide nanoparticlesMicrosphere10313.00Ref.［15］
      Microbottle1080.68Ref.［23］
      Microbottle1082.25Ref.［24］
      Microcapillary1043.30Ref.［25］
      GrapheneMicroring103~0.30Ref.［17］
      PDMSMicrobottle1040.37Ref.［20］
      Ethyl-orange-doped polyvinyl alcoholMicrosphere104~0.40Ref.［22］
      Laser-induced grapheneMicrosphere1081.09This work
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    Xueyang Zhang, Huomu Yang, Guoliang Deng, Shouhuan Zhou. All-Optical Control of Ultrahigh-Q Whispering Gallery Microspheres with Laser-Induced Graphene[J]. Laser & Optoelectronics Progress, 2023, 60(23): 2314004

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    Paper Information

    Category: Lasers and Laser Optics

    Received: Oct. 31, 2022

    Accepted: Jan. 6, 2023

    Published Online: Dec. 8, 2023

    The Author Email: Deng Guoliang (gdeng@scu.edu.cn)

    DOI:10.3788/LOP222917

    Topics

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