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

Author

Suhara, T. ; Okabe, H. ; Fujimura, M.

Author_Institution

Osaka Univ., Osaka

Volume

19

Issue

14

fYear

2007

fDate

7/15/2007 12:00:00 AM

Firstpage

1093

Lastpage

1095

Abstract

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.

Keywords

diffraction gratings; integrated optics; light polarisation; lithium compounds; optical fabrication; optical phase matching; optical polarisers; optical waveguides; quantum entanglement; quantum interference phenomena; quantum optics; LiNbO₃ - System; cross-polarized twin-photon generation device; gratings; integrated optics; polarization-entangled twin-photon beams generation; quantum interference; type-II quasiphase-matched waveguide nonlinear-optic device; Gratings; Interference; Laser excitation; Nonlinear optics; Optical fiber polarization; Optical polarization; Optical waveguides; Photonic crystals; Quantum entanglement; Tellurium; Integrated optics; quantum entanglement; quasi-phase matching (QPM); twin photon;

fLanguage

English

Journal_Title

Photonics Technology Letters, IEEE

Publisher

ieee

ISSN

1041-1135

Type

jour

DOI

10.1109/LPT.2007.900060

Filename

4260992