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Title: Coherent quantum transport in photonic lattices
Authors: Perez-Leija, A.
Keil, R.
Kay, A. 
Moya-Cessa, H.
Nolte, S.
Kwek, L.-C. 
Rodríguez-Lara, B.M.
Szameit, A.
Christodoulides, D.N.
Issue Date: 14-Jan-2013
Citation: Perez-Leija, A., Keil, R., Kay, A., Moya-Cessa, H., Nolte, S., Kwek, L.-C., Rodríguez-Lara, B.M., Szameit, A., Christodoulides, D.N. (2013-01-14). Coherent quantum transport in photonic lattices. Physical Review A - Atomic, Molecular, and Optical Physics 87 (1) : -. ScholarBank@NUS Repository.
Abstract: Transferring quantum states efficiently between distant nodes of an information processing circuit is of paramount importance for scalable quantum computing. We report on an observation of a perfect state transfer protocol on a lattice, thereby demonstrating the general concept of transporting arbitrary quantum information with high fidelity. Coherent transfer over 19 sites is realized by utilizing judiciously designed optical structures consisting of evanescently coupled waveguide elements. We provide unequivocal evidence that such an approach is applicable in the quantum regime, for both bosons and fermions, as well as in the classical limit. Our results illustrate the potential of the perfect state transfer protocol as a promising route towards integrated quantum computing on a chip. © 2013 American Physical Society.
Source Title: Physical Review A - Atomic, Molecular, and Optical Physics
ISSN: 10502947
DOI: 10.1103/PhysRevA.87.012309
Appears in Collections:Staff Publications

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