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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 53, Iss. 18 — Jun. 20, 2014
  • pp: 3832–3840

Electromagnetic plasmon propagation and coupling through gold nanoring heptamers: a route to design optimized telecommunication photonic nanostructures

Arash Ahmadivand and Saeed Golmohammadi  »View Author Affiliations


Applied Optics, Vol. 53, Issue 18, pp. 3832-3840 (2014)
http://dx.doi.org/10.1364/AO.53.003832


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Abstract

In this work, a configuration of bulk gold nanorings with certain geometrical sizes has been utilized for designing efficient photonic subwavelength nanostructures. We verify that adjacent heptamers based on gold nanorings are able to couple and transport magnetic plasmon resonance along a nanoring array in chrysene and triphenylene molecule orientations. This magnetic resonance transmission is caused by an antiphase circular current through the heptamer arrays. An orientation model of nanoring heptamers helps us to provide efficient optical structures with a remarkable decay length and a trivial ratio of destructive interferences. Exploiting the robust magnetic plasmon resonance coupling effect between heptamers arrays, we would be able to propose a practical plasmonic waveguide, a Y-shaped optical power divider (splitter), and an ON/OFF router that is operating based on destructive and constructive interferences. The quality of power splitting has been discussed comprehensively and also, the effect of undesirable occasions on the functioning performance of the proposed router has been investigated numerically. Ultimately, we verify that employing heptamers based on gold nanorings leads us to propose efficient plasmonic nanostructures and devices that are able to work in the telecommunication spectrum.

© 2014 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(230.1150) Optical devices : All-optical devices
(240.6680) Optics at surfaces : Surface plasmons

ToC Category:
Optoelectronics

History
Original Manuscript: January 28, 2014
Revised Manuscript: April 8, 2014
Manuscript Accepted: May 12, 2014
Published: June 12, 2014

Citation
Arash Ahmadivand and Saeed Golmohammadi, "Electromagnetic plasmon propagation and coupling through gold nanoring heptamers: a route to design optimized telecommunication photonic nanostructures," Appl. Opt. 53, 3832-3840 (2014)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-53-18-3832

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