All-optical transistor with cavity polaritons

TL;DR

This paper proposes a theoretical model for a polariton-based all-optical transistor using coupled cavities, demonstrating controllable amplification and attenuation of laser signals through exciton-photon interactions.

Contribution

It introduces a novel theoretical schema for a polariton-based photonic transistor leveraging exciton-photon and optomechanical couplings.

Findings

Probe laser can be amplified or attenuated by a pump laser.

Scattered effects of the output probe can be modulated.

Potential for designing advanced photonic transistors.

Abstract

we investigate the transmission of probe laser beam in a coupled-cavity system with polaritons by using standard input-output relation of optical fields, and proposed a theoretical schema for realizing a polariton-based photonic transistor. On account of effects of exciton-photon coupling and single-photon optomechanical coupling, a probe laser field can be either amplified or attenuated by another pump laser field when it passes through a coupled-cavity system with polaritons. The Stokes and anti-Stokes scattered effect of output prober laser can also be modulated. Our results open up exciting possibilities for designing photonic transistors.