Manipulation of Coherent Optical Propagation Based on Monolayer MoS₂ Resonator

Abstract

Atomically thin two-dimensional semiconductor nanomaterials have attained considerable attention currently. We here theoretically investigate the phenomena of slow and superluminal light based on the MoS₂ resonator system driven by two-tone fields. Superluminal and ultraslow probe light without absorption can be obtained via manipulating the pump laser on- and off-resonant with the exciton frequency under different parameters regimes, respectively, of which the magnitude is larger than that in a carbon nanotube resonator. The bandwidth of the probe spectrum determined by the quality factor Q of MoS₂ resonator is also presented. Furthermore, we also demonstrate the phenomenon of phonon induced transparency and show an optical transistor in the system. The all-optical device based on MoS₂ resonator may indicate potential chip-scale applications in quantum information with the currently popular pump-probe technology.

Keywords

MoS₂ / nanomechanical resonator / fast and slow light / optical transistor

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