Back-action effects in an all-optical model of dynamical Casimir emission

TL;DR

This paper presents a theoretical analysis of how a three-level emitter in an optical cavity can produce dynamical Casimir emission through Rabi oscillations, revealing back-action effects that suppress laser absorption.

Contribution

It introduces a model incorporating non-rotating wave terms to study back-action effects in dynamical Casimir emission within an optical cavity.

Findings

Rabi oscillations modulate cavity resonance periodically

Significant dynamical Casimir emission observed

Back-action suppresses drive laser absorption

Abstract

We report a theoretical study of the optical properties of a three-level emitter embedded in an optical cavity including the non-rotating wave terms of the light-matter interaction Hamiltonian. Rabi oscillations induced by a continuous wave drive laser are responsible for a periodic time-modulation of the effective cavity resonance, which results in a significant dynamical Casimir emission. A clear signature of the back-action effect of the dynamical Casimir emission onto the drive laser is visible as a sizable suppression of its absorption.