Entangled photons from the polariton vacuum in a switchable optical cavity

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AUER, Adrian, Guido BURKARD, 2012. Entangled photons from the polariton vacuum in a switchable optical cavity. In: Physical Review B. 85(23). ISSN 1098-0121. eISSN 1550-235X

@article{Auer2012Entan-22723, title={Entangled photons from the polariton vacuum in a switchable optical cavity}, year={2012}, doi={10.1103/PhysRevB.85.235140}, number={23}, volume={85}, issn={1098-0121}, journal={Physical Review B}, author={Auer, Adrian and Burkard, Guido} }

<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:bibo="http://purl.org/ontology/bibo/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > <rdf:Description rdf:about="https://kops.uni-konstanz.de/rdf/resource/123456789/22723"> <dc:creator>Auer, Adrian</dc:creator> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2013-05-08T13:52:57Z</dc:date> <dcterms:issued>2012</dcterms:issued> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2013-05-08T13:52:57Z</dcterms:available> <dcterms:rights rdf:resource="http://nbn-resolving.org/urn:nbn:de:bsz:352-20140905103605204-4002607-1"/> <dc:creator>Burkard, Guido</dc:creator> <dcterms:abstract xml:lang="eng">We study theoretically the entanglement of two-photon states in the ground state of the intersubband cavity system, i.e., the so-called polariton vacuum. The system consists of a sequence of doped quantum wells located inside a microcavity and the photons can interact with intersubband excitations inside the quantum wells. Using an explicit solution for the ground state of the system, operated in the ultrastrong-coupling regime, a postselection is introduced, where only certain two-photon states are considered and analyzed for mode entanglement. We find that a fast quench of the coupling creates entangled photons and that the degree of entanglement depends on the absolute values of the in-plane wave vectors of the photons. Maximally entangled states can be generated by choosing the appropriate modes in the postselection.</dcterms:abstract> <dc:contributor>Burkard, Guido</dc:contributor> <dcterms:bibliographicCitation>Physical Review B ; 85 (2012), 23. - 235140</dcterms:bibliographicCitation> <dc:rights>deposit-license</dc:rights> <bibo:uri rdf:resource="http://kops.uni-konstanz.de/handle/123456789/22723"/> <dcterms:title>Entangled photons from the polariton vacuum in a switchable optical cavity</dcterms:title> <dc:language>eng</dc:language> <dc:contributor>Auer, Adrian</dc:contributor> </rdf:Description> </rdf:RDF>

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