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Opt Express. 2013 Apr 8;21(7):8596-604. doi: 10.1364/OE.21.008596.

Slow light enhanced correlated photon pair generation in photonic-crystal coupled-resonator optical waveguides.

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1
NTT Basic Research Laboratories, NTT Corporation, 3-1 Morinosato-Wakamiya, Atsugi 243-0198, Kanagawa, Japan. m.nobuyuki@lab.ntt.co.jp

Abstract

We demonstrate the generation of quantum-correlated photon pairs from a Si photonic-crystal coupled-resonator optical waveguide. A slow-light supermode realized by the collective resonance of high-Q and small-mode-volume photonic-crystal cavities successfully enhanced the efficiency of the spontaneous four-wave mixing process. The generation rate of photon pairs was improved by two orders of magnitude compared with that of a photonic-crystal line defect waveguide without a slow-light effect.

PMID:
23571949
[Indexed for MEDLINE]
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