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Proceedings Paper

A high-flux source of single-mode fiber-coupled nondegenerate polarization-entangled photons
Author(s): Franco N. C. Wong; Dheera Venkatraman
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Paper Abstract

We describe a design to build a highly efficient parametric downconversion source for single spatial mode polarization-entangled photons based on a periodically poled lithium niobate crystal in a polarization Sagnac interferometer. We have investigated pump focusing to improve the coupling of the output light into a single-mode fiber and obtained a single-mode generation and fiber coupling efficiency of 49%.

Paper Details

Date Published: 10 September 2007
PDF: 8 pages
Proc. SPIE 6780, Quantum Communications Realized, 678009 (10 September 2007); doi: 10.1117/12.734559
Show Author Affiliations
Franco N. C. Wong, Massachusetts Institute of Technology (United States)
Dheera Venkatraman, Massachusetts Institute of Technology (United States)

Published in SPIE Proceedings Vol. 6780:
Quantum Communications Realized
Yasuhiko Arakawa; Masahide Sasaki; Hideyuki Sotobayashi, Editor(s)

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