Affiliation:
1. Université Paris-Saclay
Abstract
We report a time-resolved study of collective emission in dense
ensembles of two-level atoms. We compare, on the same sample, the
buildup of superradiance and subradiance from the ensemble when driven
by a strong laser. This allows us to measure the dynamics of the
population of superradiant and subradiant states as a function of
time. In particular, we demonstrate the buildup in time of subradiant
states through superradiant dynamics. This illustrates the dynamics of
the many-body density matrix of superradiant ensembles of two-level
atoms when departing from the ideal conditions of Dicke superradiance,
in which symmetry forbids the population of subradiant states.
Funder
Horizon 2020 Framework
Programme
European Research Council
Domaine Intérêt Majeur
SIRTEQ
Subject
Atomic and Molecular Physics, and Optics
Cited by
8 articles.
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