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  Continuous Variable Entanglement and Squeezing of Orbital Angular Momentum States

Lassen, M., Leuchs, G., & Andersen, U. L. (2009). Continuous Variable Entanglement and Squeezing of Orbital Angular Momentum States. PHYSICAL REVIEW LETTERS, 102(16): 163602. doi:10.1103/PhysRevLett.102.163602.

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 Creators:
Lassen, M.1, Author
Leuchs, G.2, Author              
Andersen, U. L.3, Author              
Affiliations:
1external, ou_persistent22              
2Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364698              
3Quantum Information Processing, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364707              

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Free keywords: POINCARE-SPHERE; LIGHT-BEAMS; CRITERION; SYSTEMS; IMAGES; MODESPhysics;
 Abstract: We report the first experimental characterization of the first-order continuous variable orbital angular momentum states. Using a spatially nondegenerate optical parametric oscillator (OPO) we produce quadrature entanglement between the two first-order Laguerre-Gauss modes. The family of orbital angular momentum modes is mapped on an orbital Poincare sphere, where the mode's position on the sphere is spanned by the three orbital parameters. Using a nondegenerate OPO we produce squeezing of these parameters, and as an illustration, we reconstruct the "cigar-shaped" uncertainty volume on the orbital Poincare sphere.

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Language(s): eng - English
 Dates: 2009
 Publication Status: Published online
 Pages: 4
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Degree: -

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Title: PHYSICAL REVIEW LETTERS
Source Genre: Journal
 Creator(s):
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Publ. Info: ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA : AMER PHYSICAL SOC
Pages: - Volume / Issue: 102 (16) Sequence Number: 163602 Start / End Page: - Identifier: ISSN: 0031-9007