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|Author(s):||Paulina S. Kuo; Jason S. Pelc; Oliver T. Slattery; Yong-Su Kim; Xiao Tang;|
|Title:||Entangled photon generation in a phase-modulated, quasi-phasematched crystal|
|Published:||October 14, 2013|
|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.|
|Conference:||SPIE Optics + Photonics|
|Proceedings:||Quantum Communications and Quantum Imaging XI|
|Location:||San Diego, CA|
|Dates:||August 25-29, 2013|
|Keywords:||quantum optics, nonlinear optics, parametric processes, polarization entangled pair source, spontaneous parametric downconversion, entanglement|
|Research Areas:||Entanglement, Quantum Information, Entangled Photons, Quantum Communications|
|DOI:||http://dx.doi.org/10.1117/12.2024286 (Note: May link to a non-U.S. Government webpage)|