Anomalous Purcell decay of strongly driven inhomogeneous emitters coupled to a cavity

2023/09/28 by Solomon, Michael T., Koppenhöfer, Martin, Mamaev, Mikhail +9 · 1 citation
#FOS: Physical sciences #Quantum Physics (quant-ph)

paper · doi:10.48550/arxiv.2309.16641

Abstract

We perform resonant fluorescence lifetime measurements on a nanocavity-coupled erbium ensemble as a function of cavity-laser detuning and pump power. Our measurements reveal an anomalous three-fold suppression of the ensemble Purcell factor at zero cavity detuning and high pump fluence. We capture qualitative aspects of this decay rate suppression using a Tavis-Cummings model of non-interacting spins coupled to a common cavity.

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