Assessing the Polarization of a Quantum Field from Stokes Fluctuations

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

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We propose an operational degree of polarization in terms of the variance of the Stokes vector minimized over all the directions of the Poincaré sphere. We examine the properties of this second-order definition and carry out its experimental determination. Quantum states with the same standard (first-order) degree of polarization are correctly discriminated by this new measure. We argue that a comprehensive quantum characterization of polarization properties requires a whole hierarchy of higher-order degrees.
Original languageEnglish
JournalPhysical Review Letters
Publication date2010
Volume105
Journal number15
Pages153602
ISSN0031-9007
DOIs
StatePublished
CitationsWeb of Science® Times Cited: 14
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