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Conference on Lasers and Electro-Optics

Plug-and-Play squeezing experiment on chip at telecom wavelength

François Mondain, Tommaso Lunghi, Alessandro Zavatta, Élie Gouzien, Florent Doutre, Marc de Micheli, Sébastien Tanzilli, Virginia D’Auria

Published May 1, 2019• 0 citations
Publisher

Abstract

We demonstrate a plug-and-play squeezing experiment entirely based on off-the-shelves guided-wave components and lithium-niobate integrated optics. We achieve −2 dB of squeezing thus validating our original approach as a ressource for real-world continuous-variable implementations. © 2019 The Author(s)
DOI
10.23919/cleo.2019.8750644

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In the context of quantum communication and technologies squeezed states of light represent a crucial resource. Nevertheless, their generation and detection usually demand complex bulk systems, hardly compatible with out-of-the-laboratory realizations. In view of future practical applications, we present a compact and easy-to-use set-up exploiting the association of commercial plug-and-play fibre components and integrated optics on lithium niobate for the generation and detection of squeezed light at a telecom wavelength. Squeezed light exhibits a reduced quantum noise of -2.00 ± 0.05 dB below the shot-noise level in a single-pass configuration.