Experimental identification of non-classicality of noisy twin beams and other related two-mode states

. 2018 Jan 23 ; 8 (1) : 1460. [epub] 20180123

Status PubMed-not-MEDLINE Jazyk angličtina Země Velká Británie, Anglie Médium electronic

Typ dokumentu časopisecké články, práce podpořená grantem

Perzistentní odkaz   https://www.medvik.cz/link/pmid29362441
Odkazy

PubMed 29362441
PubMed Central PMC5780546
DOI 10.1038/s41598-018-19634-1
PII: 10.1038/s41598-018-19634-1
Knihovny.cz E-zdroje

Different non-classicality criteria expressed in the form of inequalities among intensity moments and elements of photon-number distributions are applied to noisy twin beams and other two-mode states obtained from a twin beam by using a beam splitter. Their performance in revealing the non-classicality is judged in comparison with the exact results provided by suitable entanglement and local non-classicality quantifiers. Whereas the non-classicality of noisy twin beams is always revealed by these criteria, not all the nonclassical states obtained at the output of the beam splitter can be identified by these experimentally easily reachable criteria.

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