Quantum Interference and Entanglement Induced by Multiple Scattering of Light

Publication: Research - peer-reviewJournal article – Annual report year: 2010

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We report on the effects of quantum interference induced by the transmission of an arbitrary number of optical quantum states through a multiple-scattering medium. We identify the role of quantum interference on the photon correlations and the degree of continuous variable entanglement between two output modes. It is shown that quantum interference survives averaging over all ensembles of disorder and manifests itself as increased photon correlations due to photon antibunching. Furthermore, the existence of continuous variable entanglement correlations in a volume speckle pattern is predicted. Our results suggest that multiple scattering provides a promising way of coherently interfering many independent quantum states of light of potential use in quantum information processing.
Original languageEnglish
JournalPhysical Review Letters
Publication date2010
Volume105
Issue9
Pages090501
ISSN0031-9007
DOIs
StatePublished

Bibliographical note

Copyright 2010 American Physical Society

CitationsWeb of Science® Times Cited: 17
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