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Proceedings Paper

Entangled photon generation in a phase-modulated, quasi-phasematched crystal
Author(s): Paulina S. Kuo; Jason S. Pelc; Oliver Slattery; Yong-Su Kim; Xiao Tang
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Paper Abstract

We propose a scheme to generate polarization-entangled photon pairs by spontaneous parametric downconversion in a phase-modulated, type-II, quasi-phasematched (QPM) crystal. Instead of using two distinct crystals to generate |HV⟩and |VH⟩states, the phase-modulated QPM grating allows both states to be generated simultaneously in a distributed fashion throughout the nonlinear crystal. Temporal compensation is still needed to correct for effects of birefringence in the crystal. The distributed generation of the polarization-entangled photons is compared to generation using two sequential crystals.

Paper Details

Date Published: 26 September 2013
PDF: 6 pages
Proc. SPIE 8875, Quantum Communications and Quantum Imaging XI, 887508 (26 September 2013); doi: 10.1117/12.2024286
Show Author Affiliations
Paulina S. Kuo, National Institute of Standards and Technology (United States)
Joint Quantum Institute, Univ. of Maryland and National Institute of Standards and Technology (United States)
Jason S. Pelc, Stanford Univ. (United States)
Oliver Slattery, National Institute of Standards and Technology (United States)
Yong-Su Kim, National Institute of Standards and Technology (United States)
Xiao Tang, National Institute of Standards and Technology (United States)


Published in SPIE Proceedings Vol. 8875:
Quantum Communications and Quantum Imaging XI
Ronald E. Meyers; Yanhua Shih; Keith S. Deacon, Editor(s)

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