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Steering plasmon beam from a point source |
Optics Letters, Vol. 37, Issue 24, pp. 5091-5093 (2012)
http://dx.doi.org/10.1364/OL.37.005091
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Abstract
We extend the phase modulation method by in-plane diffractions from plane wave incidence to point source of surface plasmon polariton (SPP). A well-defined SPP focus is successfully realized from a point source under the diffraction by a carefully designed nanohole array, which is easy to layout in the future integrated optical circuits. With this method, the SPP Airy beam and finite plane wave are demonstrated as well, proving a general applicability of this modulation method. The proposed method and realized functions are expected of benefits for the future integration optics.
© 2012 Optical Society of America
OCIS Codes
(050.1970) Diffraction and gratings : Diffractive optics
(240.6680) Optics at surfaces : Surface plasmons
(050.6624) Diffraction and gratings : Subwavelength structures
ToC Category:
Diffraction and Gratings
History
Original Manuscript: September 17, 2012
Revised Manuscript: October 24, 2012
Manuscript Accepted: November 6, 2012
Published: December 6, 2012
Citation
L. Li, T. Li, S. M. Wang, and S. N. Zhu, "Steering plasmon beam from a point source," Opt. Lett. 37, 5091-5093 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-24-5091
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