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Classical distinguishability as an operational measure of polarization
KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Kvantelektronik och -optik, QEO.ORCID-id: 0000-0002-2082-9583
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2014 (engelsk)Inngår i: Physical Review A. Atomic, Molecular, and Optical Physics, ISSN 1050-2947, E-ISSN 1094-1622, Vol. 90, nr 1, s. 013830-Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

We put forward an operational degree of polarization that can be extended in a natural way to fields whose wave fronts are not necessarily planar. This measure appears as a distance from a state to the set of all of its polarization-transformed counterparts. By using the Hilbert-Schmidt metric, the resulting degree is a sum of two terms: one is the purity of the state and the other can be interpreted as a classical distinguishability, which can be experimentally determined in an interferometric setup. For transverse fields, this reduces to the standard approach, whereas it allows one to get a straight expression for nonparaxial fields.

sted, utgiver, år, opplag, sider
2014. Vol. 90, nr 1, s. 013830-
Emneord [en]
Degree of polarization, Distinguishability, Nonparaxial fields, Transverse field, Mathematical models, Physics
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-149504DOI: 10.1103/PhysRevA.90.013830ISI: 000339549000003Scopus ID: 2-s2.0-84905189793OAI: oai:DiVA.org:kth-149504DiVA, id: diva2:739986
Forskningsfinansiär
The Swedish Foundation for International Cooperation in Research and Higher Education (STINT)Swedish Research Council, 621-2011-4575
Merknad

QC 20140822

Tilgjengelig fra: 2014-08-22 Laget: 2014-08-22 Sist oppdatert: 2017-12-05bibliografisk kontrollert

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