Laser & Optoelectronics Progress, Volume. 62, Issue 5, 0523002(2025)

Tunable Triple Optical Tamm State Light Absorber with Graphene

Qing Zhou* and Jianfei Guan
Author Affiliations
  • College of Electronic and Optical Engineering & College of Flexible Electronics (Future Technology), Nanjing University of Posts and Telecommunications, Nanjing 210023, Jiangsu , China
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    Figures & Tables(8)
    Structure of light absorber
    Reflection of DBR and single sheet graphene
    Absorption of device when EF1=EF2=0.8 eV. (a) Absorption lines when N2=10 and N1 varies; (b) variations of absorptions of three absorption peaks with N1; (c) absorption lines when N1=6 and N2 varies; (d) variations of absorption of three absorption peaks with N2
    Electric field distributions of three OTSs when N1=6, N2=12, EF1=EF2=0.8 eV. (a) OTS 1; (b) OTS 2; (c) OTS 3
    Absorption of graphene with Fermi energy changes when N1=6, N2=15. (a) Absorption spectrum as a function of EF1 and wavelength (EF2=0.8 eV); (b) variations of absorption of three absorption peaks with EF1(EF2=0.8 eV); (c) absorption spectrum as a function of EF2 and wavelength(EF1=0.8eV); (d) variations of absorption of three absorption peaks with EF2(EF1=0.8 eV)
    Variations of electric field distributions of OTS 2 and OTS 3 with different EF1. (a) EF1=0.8 eV, OTS 2; (b) EF1=1.4 eV, OTS 2; (c) EF1=0.8 eV, OTS 3; (d) EF1=1.4 eV, OTS 3
    Variations of electric field distributions of OTS 2 and OTS 3 with different EF2. (a) EF2=0.8 eV OTS 2; (b) EF2=1.4 eV, OTS 2; (c) EF2=0.8 eV, OTS 3; (d) EF2=1.4 eV, OTS 3
    Absorption spectrum as a function of incident angle and wavelength (N1=6, N2=15, EF1=0.8 eV, EF2=1.2 eV). (a) Absorption spectrum; (b) variations of absorption of three absorption peaks with incident angle
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    Qing Zhou, Jianfei Guan. Tunable Triple Optical Tamm State Light Absorber with Graphene[J]. Laser & Optoelectronics Progress, 2025, 62(5): 0523002

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    Paper Information

    Category: Optical Devices

    Received: Sep. 5, 2024

    Accepted: Dec. 2, 2024

    Published Online: Mar. 3, 2025

    The Author Email:

    DOI:10.3788/LOP241957

    CSTR:32186.14.LOP241957

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