High-efficiency dual-band-multiplexing three-port grating coupler on 220-nm silicon-on-insulator with 248-nm deep-UV lithography

We experimentally demonstrate a novel, to the best of our knowledge, three-port grating coupler (TPGC) for dual-wavelength-band operation. ...

Source: Optics Letters - July 1, 2021 Category: Physics Authors: Lirong Cheng Simei Mao Zhi Li Xin Tu H. Y. Fu Source Type: research