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Article Dans Une Revue Physical Review Letters Année : 2014

Cooperative Emission of a Coherent Superflash of Light

Résumé

We investigate the transient coherent transmission of light through an optically thick cold stron-tium gas. We observe a coherent superflash just after an abrupt probe extinction, with peak intensity more than three times the incident one. We show that this coherent superflash is a direct signature of the cooperative forward emission of the atoms. By engineering fast transient phenomena on the incident field, we give a clear and simple picture of the physical mechanisms at play.
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Dates et versions

hal-00994145 , version 1 (21-05-2014)
hal-00994145 , version 2 (04-12-2014)

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Cc Kwong, T Yang, Ms Pramod, K Pandey, D Delande, et al.. Cooperative Emission of a Coherent Superflash of Light. Physical Review Letters, 2014, 113, pp.223601. ⟨10.1103/PhysRevLett.113.223601⟩. ⟨hal-00994145v2⟩
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