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Proceedings Paper

Hyperentanglement for quantum telecommunications
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Paper Abstract

We describe how hyperentanglement may be used to give orders of magnitude throughput improvement over singly entangled photon pairs, for some applications. Next we demonstrate the first measurement of hyperentangled photon pairs, both of which are at telecom wavelengths, via simultaneous polarization tomography and time-bin interference measurements. Without cryogenic cooling of the nonlinear element, we measure polarization entanglement with tangle of 0.4 ± 0.2 and time bin entanglement with visibility of 83% ± 6%, both exceeding classical thresholds by approximately two standard deviations.

Paper Details

Date Published: 29 May 2013
PDF: 8 pages
Proc. SPIE 8727, Advanced Photon Counting Techniques VII, 872702 (29 May 2013); doi: 10.1117/12.2018895
Show Author Affiliations
Nicholas A. Peters, Applied Communication Sciences (United States)
Anjali Agarwal, Applied Communication Sciences (United States)
Thomas E. Chapuran, Applied Communication Sciences (United States)
Paul Toliver, Applied Communication Sciences (United States)

Published in SPIE Proceedings Vol. 8727:
Advanced Photon Counting Techniques VII
Mark A. Itzler; Joe C. Campbell, Editor(s)

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