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Quantum measurement of broadband nonclassical light fields
KTH, School of Engineering Sciences (SCI), Mathematics (Dept.), Numerical Analysis, NA.
2015 (English)In: Physical Review A. Atomic, Molecular, and Optical Physics, ISSN 1050-2947, E-ISSN 1094-1622, Vol. 91, no 1, 013816- p.Article in journal (Refereed) Published
Abstract [en]

Based on the measurement of quantum correlation functions, the quantum statistical properties of spectral measurements are studied for broadband radiation fields. The spectral filtering of light before its detection is compared with the direct detection followed by the spectral analysis of the recorded photocurrents. As an example, the squeezing spectra of the atomic resonance fluorescence are studied for both types of filtering procedures. The conditions for which the detection of the nonclassical signatures of the radiation is possible are analyzed. For the considered example, photocurrent filtering appears to be the superior option to detect nonclassicality due to the vacuum-noise effects in the optical filtering.

Place, publisher, year, edition, pages
2015. Vol. 91, no 1, 013816- p.
Keyword [en]
Resonance Fluorescence, Fluctuations, Spectra, Optics
National Category
Physical Sciences
URN: urn:nbn:se:kth:diva-160747DOI: 10.1103/PhysRevA.91.013816ISI: 000348392400005ScopusID: 2-s2.0-84921326684OAI: diva2:791836

QC 20150302

Available from: 2015-03-02 Created: 2015-02-27 Last updated: 2015-03-02Bibliographically approved

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Häggblad, Jon
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Numerical Analysis, NA
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