Quantum walks of correlated photons

Alberto Peruzzo, Mirko Lobino, Jonathan C.F. Matthews, Nobuyuki Matsuda, Alberto Politi, Konstantinos Poulios, Xiao Qi Zhou, Yoav Lahini, Nur Ismail, Kerstin Wörhoff, Yaron Bromberg, Yaron Silberberg, Mark G. Thompson, Jeremy L. OBrien

研究成果: Article査読

667 被引用数 (Scopus)

抄録

Quantum walks of correlated particles offer the possibility of studying large-scale quantum interference; simulating biological, chemical, and physical systems; and providing a route to universal quantum computation. We have demonstrated quantum walks of two identical photons in an array of 21 continuously evanescently coupled waveguides in a SiOxNy chip. We observed quantum correlations, violating a classical limit by 76 standard deviations, and found that the correlations depended critically on the input state of the quantum walk. These results present a powerful approach to achieving quantum walks with correlated particles to encode information in an exponentially larger state space.

本文言語English
ページ(範囲)1500-1503
ページ数4
ジャーナルScience
329
5998
DOI
出版ステータスPublished - 2010 9 17

ASJC Scopus subject areas

  • 一般

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