Two-photon quantum walks in an elliptical direct-write waveguide array

J. O. Owens*, M. A. Broome, D. N. Biggerstaff, M. E. Goggin, A. Fedrizzi, T. Linjordet, M. Ams, G. D. Marshall, J. Twamley, M. J. Withford, A. G. White

*Corresponding author for this work

Research output: Contribution to journalArticle

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Abstract

Integrated optics provides an ideal testbed for the emulation of quantum systems via continuous-time quantum walks. Here, we study the evolution of two-photon states in an elliptic array of waveguides.We characterize the photonic chip via coherent light tomography and use the results to predict distinct differences between temporally indistinguishable and distinguishable two-photon inputs, which we then compare with experimental observations. This work highlights the feasibility of emulation of coherent quantum phenomena in three-dimensional waveguide structures.

Original languageEnglish
Article number075003
Pages (from-to)1-13
Number of pages13
JournalNew Journal of Physics
Volume13
DOIs
Publication statusPublished - 13 Jul 2011

Bibliographical note

Copyright IOP Publishing Ltd and Deutsche Physikalische Gesellschaft 2011. Version archived for private and non-commercial use with the permission of the author/s and according to publisher conditions. For further rights please contact the publisher.

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