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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 21 — Jul. 20, 2012
  • pp: 5019–5027

Nanoscale all-optical plasmonic switching using electromagnetically induced transparency

Ghassem Rostami, Mahmoud Shahabadi, Ali Afzali Kusha, and Ali Rostami  »View Author Affiliations


Applied Optics, Vol. 51, Issue 21, pp. 5019-5027 (2012)
http://dx.doi.org/10.1364/AO.51.005019


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Abstract

An all-optical switch composed of two interacting nanoparticles in front of an optical dielectric slab waveguide is proposed. An incident optical signal is coupled to the optical waveguide after scattering by the two nanoparticles. The scattered fields interfere constructively or destructively depending on the degree of optical transparency the nanoparticles induced by an optical control signal. The considered nanoparticles have a metallic core coated by an outer shell with three-level clusters such that the nanoparticles can exhibit electromagnetically induced transparency. A dipole-approximation model-based analysis reveals that a high rejection ratio can be achieved using the proposed configuration.

© 2012 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(230.7020) Optical devices : Traveling-wave devices
(240.6680) Optics at surfaces : Surface plasmons
(290.5850) Scattering : Scattering, particles
(130.4815) Integrated optics : Optical switching devices
(250.5403) Optoelectronics : Plasmonics

ToC Category:
Integrated Optics

History
Original Manuscript: January 6, 2012
Revised Manuscript: May 11, 2012
Manuscript Accepted: May 11, 2012
Published: July 11, 2012

Citation
Ghassem Rostami, Mahmoud Shahabadi, Ali Afzali Kusha, and Ali Rostami, "Nanoscale all-optical plasmonic switching using electromagnetically induced transparency," Appl. Opt. 51, 5019-5027 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-21-5019

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