Fig. 1. Three types of micro-resonator photonic crystal waveguides with gradually varied formations Note：a. input port，b. gradually varied width region of input waveguide，c. micro-cavity，d. micro-resonator，e. gradually varied width region of output waveguide，f. output port

Fig. 2. Power transmission spectra of micro-resonator photonic crystal waveguides with gradually varied formations

Fig. 3. Power transmission spectra of micro-resonator photonic crystal waveguide with gradually varied formations

Fig. 4. Power transmission spectra of micro-resonator photonic crystal waveguide with gradually varied formations

Fig. 5. Power transmission spectra of micro-resonator photonic crystal waveguide with gradually varied formations

Fig. 6. Power transmission spectra of micro-resonator photonic crystal waveguide with gradually varied formations

Fig. 7. Power transmission spectra of micro-resonator photonic crystal waveguide with gradually varied formations

Fig. 8. Power transmission spectra of micro-resonator photonic crystal waveguide with gradually varied formations

Fig. 9. Power transmission spectra of micro-resonator photonic crystal waveguide with gradually varied formations

Fig. 10. Power transmission spectra of micro-resonator photonic crystal waveguide with gradually varied formations

Fig. 11. Power transmission spectra of micro-resonator photonic crystal waveguide with gradually varied formations

Fig. 12. Power transmission spectra of micro-resonator photonic crystal waveguide with gradually varied formations

Fig. 13. Power transmission spectra of micro-resonator photonic crystal waveguide with gradually varied formations

Fig. 14. Power transmission spectra of micro-resonator photonic crystal waveguide with gradually varied formations

Fig. 15. Power transmission spectra of micro-resonator photonic crystal straight waveguides with gradually varied formations

Fig. 16. Power transmission spectra of micro-resonator photonic crystal straight waveguides with gradually varied formations

Fig. 17. Power transmission spectra of micro-resonator photonic crystal straight waveguides with gradually varied formations

Fig. 18. Power transmission spectra of micro-resonator photonic crystal waveguide with gradually varied formations

Fig. 19. Power transmission spectra of micro-resonator photonic crystal waveguide with gradually varied formations

Fig. 20. Power transmission spectra of micro-resonator photonic crystal waveguide with gradually varied formations

Fig. 21. Power transmission spectra of micro-resonator photonic crystal waveguide with gradually varied formations

Fig. 22. Power transmission spectra of micro-resonator photonic crystal waveguide with gradually varied formations

Fig. 23. Power transmission spectra of micro-resonator photonic crystal waveguide with gradually varied formations

Fig. 24. Power transmission spectra of micro-resonator photonic crystal waveguide with gradually varied formations

Fig. 25. Power transmission spectra of micro-resonator photonic crystal waveguide with gradually varied formations

Fig. 26. Power transmission spectra of micro-resonator photonic crystal waveguide with gradually varied formations