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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 34, Iss. 16 — Aug. 15, 2009
  • pp: 2417–2419

Binary plasmonics: launching surface plasmon polaritons to a desired pattern

Chenglong Zhao and Jiasen Zhang  »View Author Affiliations

Optics Letters, Vol. 34, Issue 16, pp. 2417-2419 (2009)

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We propose a binary plasmonic method to design the binary plasmonic structure (BPS), which is used to launch surface plasmon polaritons (SPPs) to a desired pattern. The BPS is composed of binary pixelated grooves. When a plane wave illuminates the BPS perpendicularly, the relative phases of the launched SPPs are determined by the positions of the grooves, which are designed by a simulated annealing algorithm. Here, we obtain single, three, and five SPP focal spots along the line parallel to the BPS, respectively, and three focal spots, which are located at the apexes of a triangle. The experiment agrees well with the numerical simulation.

© 2009 Optical Society of America

OCIS Codes
(230.3990) Optical devices : Micro-optical devices
(240.6680) Optics at surfaces : Surface plasmons
(250.5403) Optoelectronics : Plasmonics

ToC Category:

Original Manuscript: May 12, 2009
Revised Manuscript: June 26, 2009
Manuscript Accepted: July 7, 2009
Published: August 5, 2009

Chenglong Zhao and Jiasen Zhang, "Binary plasmonics: launching surface plasmon polaritons to a desired pattern," Opt. Lett. 34, 2417-2419 (2009)

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