Bandwidth-tunable near-infrared perfect absorption of graphene in a compound grating waveguide structure supporting quasi-bound states in the continuum

Recently, based on the selective excitation of the guided mode, researchers realized quasi-bound states in the continuum (quasi-BICs) in ...

Source: Optics Express - December 1, 2021 Category: Physics Authors: Feng Wu Dejun Liu Shuyuan Xiao Source Type: research