Slow-light enhanced correlated photon pair generation in a silicon photonic crystal waveguide
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We report the generation of correlated photon pairs in the telecom C-band at room temperature from a dispersion-engineered silicon photonic crystal waveguide. The spontaneous four-wave mixing process producing the photon pairs is enhanced by slow-light propagation enabling an active device length of less than 100 mu m. With a coincidence to accidental ratio of 12.8 at a pair generation rate of 0.006 per pulse, this ultracompact photon pair source paves the way toward scalable quantum information processing realized on-chip. (C) 2011 Optical Society of America
Xiong , C , Monat , C , Clark , A S , Grillet , C , Marshall , G D , Steel , M J , Li , J , O'Faolain , L , Krauss , T F , Rarity , J G & Eggleton , B J 2011 , ' Slow-light enhanced correlated photon pair generation in a silicon photonic crystal waveguide ' Optics Letters , vol 36 , no. 17 , pp. 3413-3415 . , 10.1364/OL.36.003413
© 2011 Optical Society of America. This paper was published in Optics Letters and is made available as an electronic reprint with the permission of OSA. The paper can be found at http://www.opticsinfobase.org
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