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Conferences > FiO > 2015 > FTh2C > FTh2C.6

Restoring sub-shot noise phase sensitivity in a realistic two-photon interferometry

Michał Jachura, Radosław Chrapkiewicz, Rafał Demkowicz-Dobrzański, Wojciech Wasilewski, and Konrad Banaszek

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Abstract

We demonstrate experimentally that a careful design of the spatial structure of interfered photons, combined with position-resolved coincidence detection, allows to recover sub-shot-noise phase sensitivity in regime that otherwise cannot even attain the shot-noise limit.

© 2015 Optical Society of America

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