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  Entangling Different Degrees of Freedom by Quadrature Squeezing Cylindrically Polarized Modes

Gabriel, C., Aiello, A., Zhong, W., Euser, T. G., Joly, N. Y., Banzer, P., et al. (2011). Entangling Different Degrees of Freedom by Quadrature Squeezing Cylindrically Polarized Modes. PHYSICAL REVIEW LETTERS, 106(6): 060502. doi:10.1103/PhysRevLett.106.060502.

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Gabriel, C.1, Autor           
Aiello, A.2, Autor           
Zhong, W.1, Autor           
Euser, T. G.3, Autor           
Joly, N. Y.3, Autor           
Banzer, P.4, 5, Autor           
Foertsch, M.1, Autor           
Elser, D.1, Autor           
Andersen, U. L.1, Autor           
Marquardt, Ch.1, Autor           
Russell, P. St. J.3, Autor           
Leuchs, G.6, Autor           
Affiliations:
1Quantum Information Processing, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364707              
2Optical Quantum Information Theory, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364705              
3Russell Division, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364721              
4International Max Planck Research School, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364697              
5Interference Microscopy and Nanooptics, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364700              
6Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364698              

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Schlagwörter: CONTINUOUS-VARIABLES; ENTANGLEMENT; REALIZATION; MOMENTUM; STATES; LIMITPhysics;
 Zusammenfassung: Quantum systems such as, for example, photons, atoms, or Bose-Einstein condensates, prepared in complex states where entanglement between distinct degrees of freedom is present, may display several intriguing features. In this Letter we introduce the concept of such complex quantum states for intense beams of light by exploiting the properties of cylindrically polarized modes. We show that already in a classical picture the spatial and polarization field variables of these modes cannot be factorized. Theoretically it is proven that by quadrature squeezing cylindrically polarized modes one generates entanglement between these two different degrees of freedom. Experimentally we demonstrate amplitude squeezing of an azimuthally polarized mode by exploiting the nonlinear Kerr effect in a specially tailored photonic crystal fiber. These results display that such novel continuous-variable entangled systems can, in principle, be realized.

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Sprache(n): eng - English
 Datum: 2011
 Publikationsstatus: Online veröffentlicht
 Seiten: 4
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: ISI: 000287357100002
DOI: 10.1103/PhysRevLett.106.060502
 Art des Abschluß: -

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Titel: PHYSICAL REVIEW LETTERS
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA : AMER PHYSICAL SOC
Seiten: - Band / Heft: 106 (6) Artikelnummer: 060502 Start- / Endseite: - Identifikator: ISSN: 0031-9007