Authors

A. Perez-Leija; R. Keil; A. Kay; H. Moya-Cessa; S. Nolte; L. C. Kwek; B. M. Rodriguez-Lara; A. Szameit;D. N. Christodoulides

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Abbreviated Journal Title

Phys. Rev. A

Keywords

WAVE-GUIDE; STATE TRANSFER; TRAPPED IONS; SPIN; MANIPULATION; SIMULATION; COMPUTER; PERFECT; WRITTEN; QUBITS; Optics; Physics, Atomic, Molecular & Chemical

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.

Journal Title

Physical Review A

Volume

87

Issue/Number

1

Publication Date

1-1-2013

Document Type

Article

Language

English

First Page

8

WOS Identifier

WOS:000313422900003

ISSN

1050-2947

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