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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry M. Van Driel
  • Vol. 25, Iss. 4 — Apr. 1, 2008
  • pp: 491–494

Ladder operators formalism for optical angular momentum transfer and space-variant Pancharatnam–Berry phase

Hyunhee Choi, J. H. Woo, and J. W. Wu  »View Author Affiliations


JOSA B, Vol. 25, Issue 4, pp. 491-494 (2008)
http://dx.doi.org/10.1364/JOSAB.25.000491


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Abstract

Ladder operators are introduced in SU(2) parameter space to analyze the space-variant Pancharatnam–Berry (PB) phase. The spin and orbital angular momentum transfers to a wave passing through the PB phase optical elements are understood in terms of the PB phase. Space-variant PB phase structures are identified in polarization grating and cholesteric liquid crystal, providing an explanation for the beam propagation direction alteration. A simultaneous occurrence of the wavefront shaping and the beam propagation direction alteration is demonstrated experimentally.

© 2008 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(160.3710) Materials : Liquid crystals
(260.5430) Physical optics : Polarization
(350.1370) Other areas of optics : Berry's phase

ToC Category:
Physical Optics

History
Original Manuscript: November 26, 2007
Revised Manuscript: January 6, 2008
Manuscript Accepted: January 28, 2008
Published: March 18, 2008

Citation
Hyunhee Choi, J. H. Woo, and J. W. Wu, "Ladder operators formalism for optical angular momentum transfer and space-variant Pancharatnam-Berry phase," J. Opt. Soc. Am. B 25, 491-494 (2008)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-25-4-491

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