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Title: All-optical switching in a continuously operated and strongly coupled atom-cavity system
Authors: Dutta, Sourav
Rangwala, S.A.
Keywords: 12 months embargo
Issue Date: 20-Mar-2017
Publisher: American Institute of Physics
Citation: Applied Physics Letters, 2017, Vol.110, p121107
Abstract: We experimentally demonstrate collective strong coupling, optical bi-stability (OB), and all-optical switching in a system consisting of ultracold 85Rb atoms, trapped in a dark magneto-optical trap (DMOT), and coupled to an optical Fabry-Perot cavity. The strong coupling is established by measuring the vacuum Rabi splitting (VRS) of a weak on-axis probe beam. The dependence of VRS on the probe beam power is measured, and bi-stability in the cavity transmission is observed. We demonstrate control over the transmission of the probe beam through the atom-cavity system using a free-space off-axis control beam and show that the cavity transmission can be switched on and off in micro-second timescales using micro-Watt control powers. The utility of the system as a tool for sensitive, in-situ and rapid measurements is envisaged.
Description: Restricted Access. An open-access version is available at (one of the alternative locations)
ISSN: 0003-6951
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Copyright: 2017 American Institute of Physics This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.
Appears in Collections:Research Papers (LAMP)

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