Zhu, E.Y., Helt, L.G., Liscidini, M., Qian, L., Sipe, J.E., Canagasabey, A., Corbari, C., Ibsen, M. and Kazansky, P.G.
From type II upconversion to SPDC: a path to broadband polarization entanglement in poled fibers
At Conference on Lasers and Electro-Optics/International Quantum Electronics Conference (CLEO/IQEC 2009).
31 May - 05 Jun 2009.
We report type II sum-frequency and second-harmonic generation in a 24-cm-long periodically-poled silica fiber. Quasi-phase matching is achieved for orthogonally-polarized signal and idler over 1520-1575 nm, demonstrating the path to in-fiber broadband polarization-entangled photon pair generation.
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