Storage and Release of Subradiant Excitations in a Dense Atomic Cloud

We report the observation of subradiance in dense ensembles of cold ^{87}Rb atoms operating near Dicke’s regime of a large number of atoms in a volume with dimensions smaller than the transition wavelength. We validate that the atom number is the only cooperativity parameter governing subradiance. W...

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Autores principales:	Giovanni Ferioli, Antoine Glicenstein, Loic Henriet, Igor Ferrier-Barbut, Antoine Browaeys
Formato:	article
Lenguaje:	EN
Publicado:	American Physical Society 2021
Materias:	Physics QC1-999
Acceso en línea:	https://doaj.org/article/ff45cadb86664f0bb9545bd71d206b8b
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spelling	oai:doaj.org-article:ff45cadb86664f0bb9545bd71d206b8b2021-12-02T15:36:58ZStorage and Release of Subradiant Excitations in a Dense Atomic Cloud10.1103/PhysRevX.11.0210312160-3308https://doaj.org/article/ff45cadb86664f0bb9545bd71d206b8b2021-05-01T00:00:00Zhttp://doi.org/10.1103/PhysRevX.11.021031http://doi.org/10.1103/PhysRevX.11.021031https://doaj.org/toc/2160-3308We report the observation of subradiance in dense ensembles of cold ^{87}Rb atoms operating near Dicke’s regime of a large number of atoms in a volume with dimensions smaller than the transition wavelength. We validate that the atom number is the only cooperativity parameter governing subradiance. We probe the dynamics in the many-body regime and support the picture that multiply excited subradiant states are built as a superposition of singly excited states that decay independently. Moreover, we implement an experimental procedure to release the excitation stored in the long-lived modes in a pulse of light. This technique is a first step towards the realization of tailored light storing based on subradiance.Giovanni FerioliAntoine GlicensteinLoic HenrietIgor Ferrier-BarbutAntoine BrowaeysAmerican Physical SocietyarticlePhysicsQC1-999ENPhysical Review X, Vol 11, Iss 2, p 021031 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Physics QC1-999
spellingShingle	Physics QC1-999 Giovanni Ferioli Antoine Glicenstein Loic Henriet Igor Ferrier-Barbut Antoine Browaeys Storage and Release of Subradiant Excitations in a Dense Atomic Cloud
description	We report the observation of subradiance in dense ensembles of cold ^{87}Rb atoms operating near Dicke’s regime of a large number of atoms in a volume with dimensions smaller than the transition wavelength. We validate that the atom number is the only cooperativity parameter governing subradiance. We probe the dynamics in the many-body regime and support the picture that multiply excited subradiant states are built as a superposition of singly excited states that decay independently. Moreover, we implement an experimental procedure to release the excitation stored in the long-lived modes in a pulse of light. This technique is a first step towards the realization of tailored light storing based on subradiance.
format	article
author	Giovanni Ferioli Antoine Glicenstein Loic Henriet Igor Ferrier-Barbut Antoine Browaeys
author_facet	Giovanni Ferioli Antoine Glicenstein Loic Henriet Igor Ferrier-Barbut Antoine Browaeys
author_sort	Giovanni Ferioli
title	Storage and Release of Subradiant Excitations in a Dense Atomic Cloud
title_short	Storage and Release of Subradiant Excitations in a Dense Atomic Cloud
title_full	Storage and Release of Subradiant Excitations in a Dense Atomic Cloud
title_fullStr	Storage and Release of Subradiant Excitations in a Dense Atomic Cloud
title_full_unstemmed	Storage and Release of Subradiant Excitations in a Dense Atomic Cloud
title_sort	storage and release of subradiant excitations in a dense atomic cloud
publisher	American Physical Society
publishDate	2021
url	https://doaj.org/article/ff45cadb86664f0bb9545bd71d206b8b
work_keys_str_mv	AT giovanniferioli storageandreleaseofsubradiantexcitationsinadenseatomiccloud AT antoineglicenstein storageandreleaseofsubradiantexcitationsinadenseatomiccloud AT loichenriet storageandreleaseofsubradiantexcitationsinadenseatomiccloud AT igorferrierbarbut storageandreleaseofsubradiantexcitationsinadenseatomiccloud AT antoinebrowaeys storageandreleaseofsubradiantexcitationsinadenseatomiccloud
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Storage and Release of Subradiant Excitations in a Dense Atomic Cloud

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