• Chinese Optics Letters
  • Vol. 15, Issue 3, 030502 (2017)
Jinhua Hu1, Xiuhong Liu2,*, Jijun Zhao1, and Jun Zou3
Author Affiliations
  • 1The School of Information & Electrical Engineering, Hebei University of Engineering, Handan 056038, China
  • 2The School of Mathematics & Physics, Hebei University of Engineering, Handan 056038, China
  • 3College of Science, Zhejiang University of Technology, Hangzhou 310023, China
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    DOI: 10.3788/COL201715.030502 Cite this Article Set citation alerts
    Jinhua Hu, Xiuhong Liu, Jijun Zhao, Jun Zou, "Investigation of Fano resonance in compound resonant waveguide gratings for optical sensing," Chin. Opt. Lett. 15, 030502 (2017) Copy Citation Text show less
    Schematic of the CRWG sensor.
    Fig. 1. Schematic of the CRWG sensor.
    CRWG transmission spectra for TE eigenmodes corresponding to (a) ncl=1.330, (b) ncl=1.332, and (c) ncl=1.334.
    Fig. 2. CRWG transmission spectra for TE eigenmodes corresponding to (a) ncl=1.330, (b) ncl=1.332, and (c) ncl=1.334.
    CRWG resonance peak wavelength versus ncl.
    Fig. 3. CRWG resonance peak wavelength versus ncl.
    CRWG transmission spectra for TE polarization and different L1, ncl=1.332, W1=302 nm, W2=202 nm, P=980 nm, and d=160 nm. (a) L1=206 nm, (b) L1=216 nm, (c) L1=226 nm, and (d) L1=231 nm.
    Fig. 4. CRWG transmission spectra for TE polarization and different L1, ncl=1.332, W1=302nm, W2=202nm, P=980nm, and d=160nm. (a) L1=206nm, (b) L1=216nm, (c) L1=226nm, and (d) L1=231nm.
    CRWG transmission spectra for TE polarization with different ncl, L1=231 nm, P=980 nm, d=160 nm, W1=302 nm, and W2=202 nm.
    Fig. 5. CRWG transmission spectra for TE polarization with different ncl, L1=231nm, P=980nm, d=160nm, W1=302nm, and W2=202nm.
    Refractive Index nclEeigenvalue N
    1.3301.20826×10151.36527×1012i
    1.3321.20791×10151.36523×1012i
    1.3341.20734×10151.36514×1012i
    Table 1. Eigenvalues of TE Eigenmodes Corresponding to Different Refractive Indices
    L1 (nm)Eigenvalue N
    2061.20791×10151.36523×1012i
    2161.20545×10156.44717×1011i
    2261.20554×10151.93664×1011i
    2311.20557×10156.70643×1010i
    Table 2. Eigenvalues of TE Eigenmodes for Different L1
    Jinhua Hu, Xiuhong Liu, Jijun Zhao, Jun Zou, "Investigation of Fano resonance in compound resonant waveguide gratings for optical sensing," Chin. Opt. Lett. 15, 030502 (2017)
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