Chunjuan Liu, Jiawei Wang, Xiaosuo Wu, Changlin Sang, Ze Qiao, Xiaoli Sun. Sensing Characteristics of Grating-Assisted Slot Microring Resonator[J]. Acta Optica Sinica, 2022, 42(16): 1613001
- Acta Optica Sinica
- Vol. 42, Issue 16, 1613001 (2022)
Fig. 1. Structural diagram of GASSMRR. (a) Three-dimensional structure; (b) top view; (c) enlarged view of slot
Fig. 2. Schematic diagram of transmission
Fig. 3. Mode field distribution of GASSMRR. (a) Mode field distribution of cross section of slot waveguide; (b) mode field distribution of GASSMRR as whole
Fig. 4. Grating array structure formed by small holes at different positions. (a) ΔR=5.097 μm; (b) ΔR=5.369 μm; (c) ΔR=5.429 μm; (d) ΔR=5.700 μm
Fig. 5. Output spectra at different hole positions. (a) ΔR=5.097 μm; (b) ΔR=5.369 μm; (c) ΔR=5.429 μm; (d) ΔR=5.700 μm
Fig. 6. Quality factor under different hole radii
Fig. 7. Transmission intensity and quality factor under different microring radii
Fig. 8. Number of wave crest splitting under different hole numbers
Fig. 9. Output spectra under different hole numbers. (a) 16; (b) 52; (c) 64; (d) 66
Fig. 10. Transmission intensity under different coupling spacing
Fig. 11. Transmission spectra under different environmental refractive indices
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