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Cross-polarized twin photon generation device using quasi-phase matched LiNbO3 waveguide

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4 Author(s)
T. Nosaka ; Dept. of Electron. Eng., Osaka Univ., Japan ; B. K. Das ; M. Fujimura ; T. Suhara

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.

Published in:

IEEE Photonics Technology Letters  (Volume:18 ,  Issue: 1 )