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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 14 — Jul. 4, 2011
  • pp: 13150–13157

Plasmonic nanofocusing of light in an integrated silicon photonics platform

Boris Desiatov, Ilya Goykhman, and Uriel Levy  »View Author Affiliations


Optics Express, Vol. 19, Issue 14, pp. 13150-13157 (2011)
http://dx.doi.org/10.1364/OE.19.013150


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Abstract

The capability to focus electromagnetic energy at the nanoscale plays an important role in nanoscinece and nanotechnology. It allows enhancing light matter interactions at the nanoscale with applications related to nonlinear optics, light emission and light detection. It may also be used for enhancing resolution in microscopy, lithography and optical storage systems. Hereby we propose and experimentally demonstrate the nanoscale focusing of surface plasmons by constructing an integrated plasmonic/photonic on chip nanofocusing device in silicon platform. The device was tested directly by measuring the optical intensity along it using a near-field microscope. We found an order of magnitude enhancement of the intensity at the tip’s apex. The spot size is estimated to be 50 nm. The demonstrated device may be used as a building block for “lab on a chip” systems and for enhancing light matter interactions at the apex of the tip.

© 2011 OSA

OCIS Codes
(240.6680) Optics at surfaces : Surface plasmons
(250.5403) Optoelectronics : Plasmonics

ToC Category:
Optics at Surfaces

History
Original Manuscript: April 21, 2011
Revised Manuscript: June 12, 2011
Manuscript Accepted: June 13, 2011
Published: June 22, 2011

Citation
Boris Desiatov, Ilya Goykhman, and Uriel Levy, "Plasmonic nanofocusing of light in an integrated silicon photonics platform," Opt. Express 19, 13150-13157 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-14-13150


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