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Low-diffraction beaming in plasmonic crystals |
Optics Letters, Vol. 37, Issue 14, pp. 2976-2978 (2012)
http://dx.doi.org/10.1364/OL.37.002976
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Abstract
We analyze the propagation of electromagnetic modes guided by periodic plasmonic structures. We use full-wave solutions of Maxwell equations to calculate dispersion of these modes and derive analytical description of their optical properties. Finally, we demonstrate that, at a certain frequency range that can be controlled by the geometry, diffraction of these guided states is strongly suppressed, leading to formation of low-diffraction beams. A beaming phenomenon, consistent with earlier experiments, can be used as the foundation for on-chip communication or microscopy.
© 2012 Optical Society of America
OCIS Codes
(240.6680) Optics at surfaces : Surface plasmons
(050.1755) Diffraction and gratings : Computational electromagnetic methods
(160.3918) Materials : Metamaterials
ToC Category:
Optics at Surfaces
History
Original Manuscript: April 10, 2012
Revised Manuscript: May 24, 2012
Manuscript Accepted: May 25, 2012
Published: July 13, 2012
Virtual Issues
Vol. 7, Iss. 9 Virtual Journal for Biomedical Optics
Citation
Sandeep Inampudi, Igor I. Smolyaninov, and Viktor A. Podolskiy, "Low-diffraction beaming in plasmonic crystals," Opt. Lett. 37, 2976-2978 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-14-2976
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