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Spontaneous parametric down-conversion in periodically poled KTP waveguides and bulk crystals
Marco Fiorentino B (Hewlett-Packard (United States)), S. M. Spillane (Hewlett-Packard (United States)), Raymond G. Beausoleil (Hewlett-Packard (United States)), Tony David Roberts (AdvR (United States)), Philip R. Battle (AdvR (United States)), Mark W. Munro (AdvR (United States))
Abstract: We present a theoretical and experimental comparison of spontaneous parametric down-conversion in periodically poled waveguides and bulk KTP crystals. We measured a waveguide pair generation rate of 2.9.10(6) pairs/s per mWof pump in a 1-nm band: more than 50 times higher than the bulk crystal generation rate.