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Microwave-driven generation and group delay control of optical pulses from an ultra-dilute atomic ensemble

Abstract : A cyclic atomic level scheme interacting with an optical and a microwave field is proposed for the generation and group-delay control of few-photon optical pulses. Our analysis exploits a hybrid second order-nonlinearity under conditions of electromagnetically induced transparency to generate an optical pulse. The generated pulse can be delayed or advanced through microwave intensity control of the absolute phase of the second-order-nonlinearity. Importantly, this handle on group delay of the generated pulse is number density-independent. Our scheme is thus ideally suited for the generation and control of few-photon optical pulses using ultra-dilute atomic samples. Our results will enable microscopic atomic interface systems that serve as controllable delay channels for both classical and quantum signal processing.
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https://hal.archives-ouvertes.fr/hal-03223332
Contributor : Fabien Bretenaker <>
Submitted on : Monday, May 10, 2021 - 7:14:07 PM
Last modification on : Thursday, July 1, 2021 - 4:49:31 PM

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J Saaswath, K Pradosh, K Adwaith, Barry Sanders, Fabien Bretenaker, et al.. Microwave-driven generation and group delay control of optical pulses from an ultra-dilute atomic ensemble. Optics Express, Optical Society of America - OSA Publishing, 2021, 29 (11), pp.15940. ⟨10.1364/oe.424110⟩. ⟨hal-03223332⟩

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