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Generation of Polarization-Entangled Photons by Type-II Quasi-Phase-Matched Waveguide Nonlinear-Optic Device

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3 Author(s)
T. Suhara ; Osaka Univ., Osaka ; H. Okabe ; M. Fujimura

A cross-polarized twin-photon generation device was implemented with Ti-indiffused LiNbO3 waveguides and gratings for type-II (TE rarr TE + TM) quasi-phase matching. Generation of polarization-entangled twin-photon beams by a simple system using the fabricated device is demonstrated through quantum interference and photon polarization measurement experiment.

Published in:

IEEE Photonics Technology Letters  (Volume:19 ,  Issue: 14 )