Marrucci, Lorenzo and Piccirillo, Bruno and Karimi, Ebrahim and Santamato, Enrico (2009) Quantum information transfer from spin to orbital angular momentum of photons. [Pubblicazione in rivista scientifica]

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Item Type:	Pubblicazione in rivista scientifica
Lingua:	English
Title:	Quantum information transfer from spin to orbital angular momentum of photons
Creators:	Creators Email Marrucci, Lorenzo UNSPECIFIED Piccirillo, Bruno UNSPECIFIED Karimi, Ebrahim UNSPECIFIED Santamato, Enrico UNSPECIFIED
Autore/i:	E. Nagali, F. Sciarrino, F. De Martini, L. Marrucci, B. Piccirillo, E. Karimi, E. Santamato
Date:	2009
Number of Pages:	4
Department:	Scienze fisiche
Identification Number:	10.1103/PhysRevLett.103.013601
Journal or Publication Title:	PHYSICAL REVIEW LETTERS
Date:	2009
Volume:	103
Page Range:	013601-1-013601-4
Number of Pages:	4
Uncontrolled Keywords:	Quantum information, orbital angular momentum, photons
Identification Number:	10.1103/PhysRevLett.103.013601
Date Deposited:	21 Oct 2010 06:57
Last Modified:	30 Apr 2014 19:43
URI:	http://www.fedoa.unina.it/id/eprint/7590

Abstract

The optical ‘‘spin-orbit’’ coupling occurring in a suitably patterned nonuniform birefringent plate known as a ‘‘q plate’’ allows entangling the polarization of a single photon with its orbital angular momentum (OAM). This process, in turn, can be exploited for building a bidirectional ‘‘spin-OAM interface,’’ capable of transposing the quantum information from the spin to the OAM degree of freedom of photons and vice versa. Here, we experimentally demonstrate this process by single-photon quantum tomographic analysis. Moreover, we show that two-photon quantum correlations such as those resulting from coalescence interference can be successfully transferred into the OAM degree of freedom.

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