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Quantum Complementarity of Microcavity Polaritons

Langbein, Wolfgang Werner, Savasta, S., Di Stefano, O. and Savona, V. 2005. Quantum Complementarity of Microcavity Polaritons. Physical Review Letters (PRL) 94 , 246401. 10.1103/PhysRevLett.94.246401

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Abstract

We present an experiment that probes polariton quantum correlations by exploiting quantum complementarity. Specifically, we find that polaritons in two distinct idler modes interfere if and only if they share the same signal mode so that “which-way” information cannot be gathered. The experimental results prove the existence of polariton pair correlations that store the which-way information. This interpretation is confirmed by a theoretical analysis of the measured interference visibility in terms of quantum Langevin equations.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Publisher: American Physical Society
ISSN: 0031-9007
Last Modified: 04 Jun 2017 01:40
URI: http://orca.cf.ac.uk/id/eprint/1565

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Cited 67 times in Web of Science. View in Web of Science.

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