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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 37, Iss. 14 — Jul. 15, 2012
  • pp: 2940–2942

Self-homodyne detection of the light orbital angular momentum

Aniceto Belmonte and Juan P. Torres  »View Author Affiliations


Optics Letters, Vol. 37, Issue 14, pp. 2940-2942 (2012)
http://dx.doi.org/10.1364/OL.37.002940


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Abstract

A simple optical system for the self-homodyne detection of the orbital angular momentum (OAM) carried by optical beams is introduced. We propose two different schemes based on the use of optical hybrids, which could detect the OAM mode number, even when the input beam might be slightly distorted. A balanced receiver is used to perform a self-homodyne measure of the optical signal from two different locations at the beam wavefront.

© 2012 Optical Society of America

OCIS Codes
(040.2840) Detectors : Heterodyne
(140.3295) Lasers and laser optics : Laser beam characterization
(050.4865) Diffraction and gratings : Optical vortices

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: April 27, 2012
Revised Manuscript: June 11, 2012
Manuscript Accepted: June 13, 2012
Published: July 12, 2012

Citation
Aniceto Belmonte and Juan P. Torres, "Self-homodyne detection of the light orbital angular momentum," Opt. Lett. 37, 2940-2942 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-14-2940


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References

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