A new photonic crystal ring resonator(PCRR) configuration is provided based on two-dimensional(2D) square lattice photonic crystal(PC) silicon rods.The ring is formed by removing the line defect along ΓM direction in...A new photonic crystal ring resonator(PCRR) configuration is provided based on two-dimensional(2D) square lattice photonic crystal(PC) silicon rods.The ring is formed by removing the line defect along ΓM direction instead of conventional ΓX direction.Its spectral information including transmission intensity,dropped efficiency and quality factor affected by different physical parameters and the cascaded engineering including parallel and serial configurations are numerically analyzed with 2D finite-difference time-domain(FDTD) technique.The spectral quality factor of more than 830 and dropped efficiency of 90% at 1550 nm channel can be obtained with a less than 2.2 μm ring radius.展开更多
基金Specialized Scientific Research Fundation of Higher Education Institution of Fujian Province,China(No.JK2011039)Natural Science Foundation of Fujian Province of China(No.2012D110)
基金supported by the Natural Science Foundation of Fujian Province of China (Nos. F0950055 and A0910028)the Research Program of Science and Technology of Fujian Education Office of China (No. JB09049)
文摘A new photonic crystal ring resonator(PCRR) configuration is provided based on two-dimensional(2D) square lattice photonic crystal(PC) silicon rods.The ring is formed by removing the line defect along ΓM direction instead of conventional ΓX direction.Its spectral information including transmission intensity,dropped efficiency and quality factor affected by different physical parameters and the cascaded engineering including parallel and serial configurations are numerically analyzed with 2D finite-difference time-domain(FDTD) technique.The spectral quality factor of more than 830 and dropped efficiency of 90% at 1550 nm channel can be obtained with a less than 2.2 μm ring radius.
