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Generation of Cross-Polarized Photon Pairs via Type-II Third-Order Quasi-Phase Matched Parametric Down-Conversion
Shigehiro Nagano,
Atsushi Syouji,
Ryosuke Shimizu1,
Koji Suizu2,
Hiromasa Ito3,4, and
Keiichi Edamatsu
Research Institute of Electrical Communication, Tohoku University, Sendai 980-8577, Japan
1PRESTO-JST, Kawaguchi, Saitama 332-0012, Japan
2Graduate School of Engineering, Nagoya University, Nagoya 464-8603, Japan
3Photodynamics Research Center, RIKEN, Sendai 980-0845, Japan
4Graduate School of Engineering, Tohoku University, Sendai 980-8579, Japan
(Received December 9, 2008; accepted March 13, 2009; published online May 7, 2009)
We have developed a high-efficiency source of cross-polarized photon pairs generated via type-II spontaneous parametric down-conversion using periodically poled lithium niobate (PPLN). The photon pairs are generated from bulk PPLN under third-order quasi-phase-matched conditions around 800 nm. We achieved a photon-pair production rate of N=1.95×106 s-1·mW-1.
URL:
http://jjap.jsap.jp/link?JJAP/48/050205/
DOI: 10.1143/JJAP.48.050205
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