Fig. 1. Schematic diagram of double-bus ring resonator

Fig. 2. Schematic diagram of WDM-MDM system based on microring resonator with mode splitter

Fig. 3. Mode profile of TE₀ and TE₁ mode in strip and slot waveguide

Fig. 4. Mode profile in mode splitter and transmission response of different port

Fig. 5. Mode profile and transmission response of ring resonator when TE₀ and TE₁ mode inputs

Fig. 6. Mode splitter and wavelength selection of WDM-MDM validation system

Fig. 7. Response of TE₁ mode at 1 550 nm with different fabrication error