Chunjuan LIU, Xiaoli SUN, Xiaosuo WU, Jiawei WANG, Qianqian CAO. Slot Phase-shifting Bragg Grating Microring Resonator and Its Sensing Characteristics[J]. Acta Photonica Sinica, 2023, 52(6): 0623003
- Acta Photonica Sinica
- Vol. 52, Issue 6, 0623003 (2023)
Fig. 1. Three-dimensional structure of SPS-Bragg grating microring resonator
Fig. 2. System schematic
Fig. 3. Waveguide mode field distribution
Fig. 4. Output Spectra at different periods
Fig. 5. Extinction ratio at different periods
Fig. 6. Quality factor and extinction ratio under different duty cycle
Fig. 7. Transmissivity and extinction ratio under different length of F-P resonator
Fig. 8. Quality factor under different grating teeth numbers
Fig. 9. Quality factor and transmissivity at different radius of microring
Fig. 10. Manufacturing tolerance analysis
Fig. 11. Transmission spectrum under different environmental refractive index
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Table 1. Comparison of refractive index sensing characteristics between single real waveguide MRR and the proposed structure
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