Fig. 1. Schematic of parallel microring array

Fig. 2. Diagram of transmission unit model

Fig. 3. Schematic of parallel five-microring array

Fig. 4. Downloaded frequency spectra with different transmission coupling coefficients (LS=0.5πR)

Fig. 5. Downloaded frequency spectra with different transmission coupling coefficients (LS=πR)

Fig. 6. Spectrogram of the optimized resonator frequency band

Fig. 7. Frequency bands of resonator with different system refractive indexes

Fig. 8. Frequency bands of resonator with different microring radii

Fig. 9. Influence of (a) loss coefficient of microring and (b) fractionated gain on frequency band of resonator

Fig. 10. Diagram of wavelength demultiplexing

Fig. 11. Schematic of 1×4 DWDM

Fig. 12. Frequency spectra of DWDM channel output