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Proceedings Paper

Demonstrating continuous-variable Einstein-Podolsky-Rosen steering with a finite number of measurements
Author(s): James Schneeloch; Samuel H. Knarr; Gregory A. Howland; John C. Howell
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Paper Abstract

Here, we discuss the development of a new inequality in information theory; a Fano inequality suitable for continuous variables. With this inequality, we show how one can demonstrate Einstein-Podolsky-Rosen (EPR) steering in the position-momentum statistics of entangled photon pairs from spontaneous parametric down-conversion (SPDC). More importantly, we show how with sufficiently strong position and momentum correlations, we can demonstrate continuous-variable EPR steering without having to assume the photo-detectors have access to the entire joint intensity distribution. Moreover, we demonstrate this experimentally with the position and momentum statistics of entangled photon pairs in SPDC.

Paper Details

Date Published: 21 May 2015
PDF: 6 pages
Proc. SPIE 9500, Quantum Information and Computation XIII, 95000T (21 May 2015); doi: 10.1117/12.2177296
Show Author Affiliations
James Schneeloch, Univ. of Rochester (United States)
Samuel H. Knarr, Univ. of Rochester (United States)
Gregory A. Howland, Air Force Research Lab. (United States)
John C. Howell, Univ. of Rochester (United States)

Published in SPIE Proceedings Vol. 9500:
Quantum Information and Computation XIII
Eric Donkor; Andrew R. Pirich; Michael Hayduk, Editor(s)

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