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Controlling plasmonic hot spots by interfering Airy beams |
Optics Letters, Vol. 37, Issue 16, pp. 3402-3404 (2012)
http://dx.doi.org/10.1364/OL.37.003402
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Abstract
We predict and demonstrate the generation of a plasmonic hot spot on the surface of a metal film by the interference of two Airy surface plasmons. We show that the position of the hot spot can be controlled by the distance between the excitation gratings as well as by the phase front of the initial excitation. The observed effect constitutes a planar analogy to Airy beam autofocusing and offers new opportunities for spatially resolved surface plasmon sensing and optical surface tweezers.
© 2012 Optical Society of America
OCIS Codes
(050.1940) Diffraction and gratings : Diffraction
(240.6680) Optics at surfaces : Surface plasmons
(350.5500) Other areas of optics : Propagation
ToC Category:
Optics at Surfaces
History
Original Manuscript: May 14, 2012
Revised Manuscript: June 29, 2012
Manuscript Accepted: July 2, 2012
Published: August 8, 2012
Citation
Angela E. Klein, Alexander Minovich, Michael Steinert, Norik Janunts, Andreas Tünnermann, Dragomir N. Neshev, Yuri S. Kivshar, and Thomas Pertsch, "Controlling plasmonic hot spots by interfering Airy beams," Opt. Lett. 37, 3402-3404 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-16-3402
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