• Laser & Optoelectronics Progress
  • Vol. 57, Issue 13, 131301 (2020)
Yaping Zhao, Guanmao Zhang*, Panpan Ren, and Zhihao Guo
Author Affiliations
  • Institute of Optoelectronics & Electromagnetic Information, School of Information Science and Engineering, Lanzhou University, Lanzhou, Gansu 730000, China
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    DOI: 10.3788/LOP57.131301 Cite this Article Set citation alerts
    Yaping Zhao, Guanmao Zhang, Panpan Ren, Zhihao Guo. Dual Fano Resonance Characteristics of Coupled Semi-Circular Resonant Cavity[J]. Laser & Optoelectronics Progress, 2020, 57(13): 131301 Copy Citation Text show less
    Schematic of coupled semi-circular resonant cavity
    Fig. 1. Schematic of coupled semi-circular resonant cavity
    Transmission spectrum of coupled semi-circular resonant cavity system. (a) Single baffle and single semi-circular cavity; (b) baffle and semi-circular cavity exist at the same
    Fig. 2. Transmission spectrum of coupled semi-circular resonant cavity system. (a) Single baffle and single semi-circular cavity; (b) baffle and semi-circular cavity exist at the same
    Normalized magnetic field distribution of semi-circular resonant cavity structure at different wavelengths. (a) λ=794 nm; (b) λ=852 nm; (c) λ=1100 nm; (d) λ=1150 nm
    Fig. 3. Normalized magnetic field distribution of semi-circular resonant cavity structure at different wavelengths. (a) λ=794 nm; (b) λ=852 nm; (c) λ=1100 nm; (d) λ=1150 nm
    Influence of semi-circular radius R on transmission spectra and FOM. (a) Transmittance spectrum corresponding to different values of R; (b) relationship between resonance wavelength distribution of transmission spectrum and R; (c) FOM values corresponding to different R values
    Fig. 4. Influence of semi-circular radius R on transmission spectra and FOM. (a) Transmittance spectrum corresponding to different values of R; (b) relationship between resonance wavelength distribution of transmission spectrum and R; (c) FOM values corresponding to different R values
    Influence of semi-circular thickness d on transmission spectra and FOM. (a) Transmittance spectrum corresponding to different values of d; (b) relationship between resonance wavelength distribution of transmission spectrum and d; (c) FOM values corresponding to different d values
    Fig. 5. Influence of semi-circular thickness d on transmission spectra and FOM. (a) Transmittance spectrum corresponding to different values of d; (b) relationship between resonance wavelength distribution of transmission spectrum and d; (c) FOM values corresponding to different d values
    Influence of coupling distance g on transmission spectra and FOM. (a) Transmittance spectrum corresponding to different values of g; (b) FOM values corresponding to different g values of two modes
    Fig. 6. Influence of coupling distance g on transmission spectra and FOM. (a) Transmittance spectrum corresponding to different values of g; (b) FOM values corresponding to different g values of two modes
    Optimized FOM values of two modes. (a) FOM1 optimal; (b) FOM2 optimal
    Fig. 7. Optimized FOM values of two modes. (a) FOM1 optimal; (b) FOM2 optimal
    Influence of medium refractive index n on transmission spectra. (a) Transmittance spectra corresponding to different values of n; (b) relationship between resonance wavelength of transmission spectrum and refractive index n
    Fig. 8. Influence of medium refractive index n on transmission spectra. (a) Transmittance spectra corresponding to different values of n; (b) relationship between resonance wavelength of transmission spectrum and refractive index n
    Yaping Zhao, Guanmao Zhang, Panpan Ren, Zhihao Guo. Dual Fano Resonance Characteristics of Coupled Semi-Circular Resonant Cavity[J]. Laser & Optoelectronics Progress, 2020, 57(13): 131301
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