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  Correlation measurement of squeezed light

Krivitsky, L. A., Andersen, U. L., Dong, R., Huck, A., Wittmann, C., & Leuchs, G. (2009). Correlation measurement of squeezed light. PHYSICAL REVIEW A, 79(3): 033828. doi:10.1103/PhysRevA.79.033828.

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 Creators:
Krivitsky, Leonid A.1, Author
Andersen, Ulrik L.2, Author              
Dong, Ruifang1, Author
Huck, Alexander1, Author
Wittmann, Christoffer2, Author              
Leuchs, Gerd3, Author              
Affiliations:
1external, ou_persistent22              
2Quantum Information Processing, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364707              
3Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364698              

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Free keywords: OPTICAL-FIBERS; STATESOptics; Physics; optical correlation; optical fibres; optical noise; optical parametric oscillators; optical squeezing;
 Abstract: We study the implementation of a correlation measurement technique for the characterization of squeezed light which is nearly free of electronic noise. With two different sources of squeezed light, we show that the sign of the covariance coefficient, revealed from the time-resolved correlation data, is witnessing the presence of squeezing in the system. Furthermore, we estimate the degree of squeezing using the correlation method and compare it to the standard homodyne measurement scheme. We show that the role of electronic detector noise is minimized using the correlation approach as opposed to homodyning where it often becomes a crucial issue.

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Language(s): eng - English
 Dates: 2009
 Publication Status: Published online
 Pages: 6
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Degree: -

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Title: PHYSICAL REVIEW A
Source Genre: Journal
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Publ. Info: ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA : AMER PHYSICAL SOC
Pages: - Volume / Issue: 79 (3) Sequence Number: 033828 Start / End Page: - Identifier: ISSN: 2469-9926