Washington University

Rishi Maiti

Volker J Sorger

Chandraman Sadanand Patil

A photonic device that includes two electrodes and a two-dimensional (2D) material electrically connecting the two electrodes. The 2D material may be molybdenum ditelluride. Strain may be induced in the 2D material (e.g., by placing the 2D material on a waveguide) to reduce the band gap of the 2D material and increase the efficiency of the photodetector. The photonic device may be a photodetector with 2D material that absorbs light energy and converts it into a photocurrent in a circuit that includes the two electrodes. The photonic device may be an emitter with 2D material that emits light energy in response to an electric field across the two electrodes. The photonic device may be a modulator with 2D material that modulates a property of an optical signal (e.g., the amplitude or phase) by modulating the amount of strain induced in the 2D material.

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Washington, DC, United States of America

Rishi Maiti