Title :
Cross-polarized twin photon generation device using quasi-phase matched LiNbO3 waveguide
Author :
Nosaka, T. ; Das, B.K. ; Fujimura, M. ; Suhara, T.
Author_Institution :
Dept. of Electron. Eng., Osaka Univ., Japan
Abstract :
We demonstrate a cross-polarized twin photon generation device using a LiNbO3 waveguide for the first time. The twin photons can easily be split into each photon, and the device has applications to polarization-entangled photon generation. Type II quasi-phase matching (TE/spl rarr/TE+TM) and nonlinear tensor element d/sub 24/ were used for twin photon generation in the 1.55-μm band by the parametric fluorescence.
Keywords :
fluorescence; integrated optics; light polarisation; lithium compounds; optical phase matching; optical waveguides; quantum entanglement; quantum optics; tensors; 1.55 mum; LiNbO/sub 3/; LiNbO/sub 3/ waveguide; cross-polarized device; nonlinear tensor element; parametric fluorescence; polarization-entangled photon generation; quasiphase matched waveguide; twin photons; twin-photon generation device; type-II quasiphase matching; Fluorescence; Frequency; Gratings; Nonlinear optical devices; Nonlinear optics; Optical waveguides; Photonic crystals; Polarization; Tellurium; Tensile stress; Integrated optics; nonlinear optics; quasi-phase matching; twin photon;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2005.860048
