Coupled resonator-induced transparency on a three-ring resonator*

Project supported by the National Natural Science Foundation of China (Grant Nos. 61771434, 91123036, 61178058, 61275166, and 61076111) and the National Science Fund for Distinguished Young Scholars, China (Grant No. 51225504).

Jiao Xinquan1, 2, †, Yu Haobo1, 2, Yu Miao1, 2, Xue Chenyang1, 2, Ren Yongfeng1, 2
       

Scanning-electron micrographs of (a) a single-ring resonator, (b) a three-ring resonator, (c) gap of 129 nm between the bus waveguide and ring resonator, (d) nano-wave guide gratings.