Entangled photon generation in a phase-modulated, quasi-phasematched crystal

Paulina S. Kuo; Jason S. Pelc; Oliver Slattery; Yong-Su Kim; Xiao Tang

doi:10.1117/12.2024286

26 September 2013 Entangled photon generation in a phase-modulated, quasi-phasematched crystal

Paulina S. Kuo, Jason S. Pelc, Oliver Slattery, Yong-Su Kim, Xiao Tang

Proceedings Volume 8875, Quantum Communications and Quantum Imaging XI; 887508 (2013) https://doi.org/10.1117/12.2024286
Event: SPIE Optical Engineering + Applications, 2013, San Diego, California, United States

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.

Citation Download Citation

Paulina S. Kuo, Jason S. Pelc, Oliver Slattery, Yong-Su Kim, and Xiao Tang "Entangled photon generation in a phase-modulated, quasi-phasematched crystal", Proc. SPIE 8875, Quantum Communications and Quantum Imaging XI, 887508 (26 September 2013); https://doi.org/10.1117/12.2024286

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