Anomalous Purcell decay of strongly driven inhomogeneous emitters coupled to a cavity
Optica Quantum(2023)
摘要
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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关键词
anomalous purcell decay,inhomogeneous emitters
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