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Title: Microwave-driven generation and group delay control of optical pulses from an ultra-dilute atomic ensemble
Authors: Saaswath, J. K.
Pradosh, K. N.
Adwaith, K. V.
Sanders, Barry C.
Bretenaker, Fabien
Narayanan, Andal
Issue Date: May-2021
Publisher: Optical Society of America
Citation: Optics Express, 2021, Vol.29, pp15940
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.
Description: Open Access
ISSN: 1094-4087
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Copyright: 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
Appears in Collections:Research Papers (LAMP)

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