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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Editor: Franco Gori
  • Vol. 31, Iss. 5 — May. 1, 2014
  • pp: 1007–1012

Topological phase structure of vector vortex beams

C. E. R. Souza, J. A. O. Huguenin, and A. Z. Khoury  »View Author Affiliations


JOSA A, Vol. 31, Issue 5, pp. 1007-1012 (2014)
http://dx.doi.org/10.1364/JOSAA.31.001007


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Abstract

The topological phase acquired by vector vortex optical beams is investigated. Under local unitary operations on their polarization and transverse degrees of freedom, the vector vortices can only acquire discrete geometric phase values, 0 or π, associated with closed paths belonging to different homotopy classes on the SO(3) manifold. These discrete values are demonstrated through interferometric measurements, and the spin-orbit mode separability is associated to the visibility of the interference patterns. The local unitary operations performed on the vector vortices involved both polarization and transverse mode transformations with birefringent wave plates and astigmatic mode converters. The experimental results agree with our theoretical simulations and generalize our previous results obtained with polarization transformations only.

© 2014 Optical Society of America

OCIS Codes
(270.0270) Quantum optics : Quantum optics
(080.4865) Geometric optics : Optical vortices
(270.5565) Quantum optics : Quantum communications

ToC Category:
Quantum Optics

History
Original Manuscript: January 10, 2014
Revised Manuscript: March 17, 2014
Manuscript Accepted: March 18, 2014
Published: April 9, 2014

Citation
C. E. R. Souza, J. A. O. Huguenin, and A. Z. Khoury, "Topological phase structure of vector vortex beams," J. Opt. Soc. Am. A 31, 1007-1012 (2014)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-31-5-1007

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