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IEICE Technical Report; IEICE Tech. Rep.

Generation of photon pairs with photonic crystal fiber and two-photon interference

Nakanishi Toshihiro, Kazuo Sakemi, Hirokazu Kobayashi, Sugiyama Kazuhiko, Kitano Masao

Published May 16, 2008• 0 citations
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We investigate a method to produce photon pairs by four-wave mixing in photonic crystal fibers (PCFs). By controlling the wavelength of the pump light, which determines the phase matching condition for four-wave mixing, we can obtain a broader spectrum of photon pairs than undesired Raman-scattered photons. We observe two-photon interference of photon pairs from a PCF with the help of an unbalanced Mach-Zehnder interferometer. Two-photon interference fringes with 83% visibility, which exceeds the classical limit of 50%, are obtained.