Abstract
The paper suggests a new perfect absorber design based on the coherent perfect absorption (CPA) phenomenon of two-dimensional MoS2 monolayer in the visible region. Our proposed structure consists of a single MoS2 layer that is sandwiched between a SiO2 layer and a silver film with the nanocube dielectric array. According to the finite difference time domain simulations, CPA occurs at 722.2 nm in the certain structural configuration. Our computational results confirm the tunability of CPA resonant wavelength as a function of geometric and optical parameters of the nanocube dielectric array. Therefore, our CPA design may offer a solution to the light absorption enhancement of MoS2 monolayer in the visible region for optoelectronics applications.
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