Realizing mode conversion and optical diode effect by coupling photonic crystal waveguides with cavity

Ye Han†,‡^a), Zhang Jin-Qian-Nan^a)‡, Yu Zhong-Yuan^a), Wang Dong-Lin^b), Chen Zhi-Hui^c)

Forward transmission spectra of the proposed PhC structures with modified movements of two specific rods in the L2 cavity, where Λ denotes the movement of two rods beside the red arrows.