Pucheng XU, Jianfei GUAN. Study of the Refractive Index Sensing based on MDM Waveguide Coupled with a Square-shaped Composite Resonant Cavity[J]. Study On Optical Communications, 2024, 50(6): 23007101
- Study On Optical Communications
- Vol. 50, Issue 6, 23007101 (2024)
Fig. 1. Schematic diagram of the square-shaped composite cavity coupled with a MDM waveguide containing a metal baffle
Fig. 2. Transmission spectra of side-coupled square-shaped resonator and the magnetic field patterns at two resonance wavelengths
Fig. 3. Transmission spectra of MDM waveguide side-coupled a stub contained square-shaped composite rsonator and the magnetic field patterns at four resonance wavelengths
Fig. 4. Transmission analysis of the MDM waveguide coupled with the square-shaped composite cavity with deferent S
Fig. 5. Transmission analysis of the MDM waveguide coupled with the square-shaped composite cavity with deferent stub length h
Fig. 6. Relation between transmission spectra and the refractive indexes n in the square-shaped resonator of S=300 nm
Fig. 7. Relation between transmission spectra and the refractive indexes n in the square-shaped resonator of S=300 nm and h=150 nm
Fig. 8. Relationship between transmission spectra and the refractive indexes n in the enlarged square-shaped resonator of S=360 nm and h=210 nm
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