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arXiv · 1401.6109

Trapping photons on the line: controllable dynamics of a quantum walk

P. Xue·H. Qin·B. Tang
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Abstract

We demonstrate a coined quantum walk over ten steps in a one-dimensional network of linear optical elements. By applying single-point phase defects, the translational symmetry of an ideal standard quantum walk is broken resulting in localization effect in a quantum walk architecture. We furthermore investigate how the level of phase due to single-point phase defects and coin settings influence the strength of the localization signature.

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P. Xue, H. Qin, B. Tang. 2014-01-23. Trapping photons on the line: controllable dynamics of a quantum walk. https://doi.org/10.1038/srep04825

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