Slussarenko, Sergei and Karimi, Ebrahim and Piccirillo, Bruno and Marrucci, Lorenzo and Santamato, Enrico (2011) Efficient generation and control of different-order orbital angular momentum states for communication links. [Pubblicazione in rivista scientifica]

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Item Type: Pubblicazione in rivista scientifica
Title: Efficient generation and control of different-order orbital angular momentum states for communication links
Slussarenko, SergeiUNSPECIFIED
Karimi, EbrahimUNSPECIFIED
Piccirillo, BrunoUNSPECIFIED
Marrucci, LorenzoUNSPECIFIED
Santamato, EnricoUNSPECIFIED
Date: January 2011
Number of Pages: 4
Department: Scienze fisiche
Sezione di dipartimento: Struttura della materia
Identification Number: 10.1364/JOSAA.28.000061
Original publication URL:
Journal or Publication Title: Journal of the Optical Society of America A
Date: January 2011
ISSN: 1084-7529
Volume: 28
Number: 1
Page Range: pp. 61-65
Number of Pages: 4
Keywords: Optical Devices
Identification Number: 10.1364/JOSAA.28.000061
Settori scientifico-disciplinari del MIUR: Area 02 - Scienze fisiche > FIS/03 - Fisica della materia
Date Deposited: 22 Feb 2011 15:04
Last Modified: 30 Apr 2014 19:43

Collection description

We present an optical scheme to encode and decode 2bits of information into different orbital angular momentum (OAM) states of a paraxial optical beam. Our device generates the four light angular momentum states of order ±2 and ±4 by spin-to-orbital angular momentum conversion in a triangular optical loop arrangement. The switching among the four OAM states is obtained by changing the polarization state of the circulating beam by two quarter-wave plates, and the 2bit information is transferred to the beam OAM exploiting a single q plate. The polarization of the exit beam is left free for an additional 1bit of information. The switching among the different OAM states can be as fast as a few nanoseconds, if suitable electro-optical cells are used. This may be particularly useful in communication systems based on light OAM.


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