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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 21 — Nov. 1, 2013
  • pp: 4421–4424

Highly nonparaxial spin Hall effect and its enhancement by plasmonic structures

G. S. Agarwal and S.-A. Biehs  »View Author Affiliations


Optics Letters, Vol. 38, Issue 21, pp. 4421-4424 (2013)
http://dx.doi.org/10.1364/OL.38.004421


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Abstract

We present a new way to obtain large spin Hall effect of light (SHEL) in nonparaxial situations. We use near field of dipoles which contain all plane waves, both homogeneous and evanescent. We base SHEL on dipole–dipole interaction initiated energy transfer (FRET), which we further enhance using plasmonic platforms. The spin–orbit coupling inherent in Maxwell equations is seen in the conversion of a σ+ photon to a σ photon. The FRET is mediated by the resonant surface plasmons (SPs), and hence we find very large SHEL. We present explicit results for SHEL on metal films. We also study how the splitting of the SP on a metal film affects the SHEL.

© 2013 Optical Society of America

OCIS Codes
(240.0310) Optics at surfaces : Thin films
(240.6680) Optics at surfaces : Surface plasmons
(260.2160) Physical optics : Energy transfer
(260.7490) Physical optics : Zeeman effect

ToC Category:
Physical Optics

History
Original Manuscript: September 3, 2013
Manuscript Accepted: September 15, 2013
Published: October 29, 2013

Citation
G. S. Agarwal and S.-A. Biehs, "Highly nonparaxial spin Hall effect and its enhancement by plasmonic structures," Opt. Lett. 38, 4421-4424 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-21-4421

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