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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 14 — Jul. 15, 2013
  • pp: 2621–2624

Scattering of core-shell nanowires with the interference of electric and magnetic resonances

Wei Liu, Andrey E. Miroshnichenko, Rupert F. Oulton, Dragomir N. Neshev, Ortwin Hess, and Yuri S. Kivshar  »View Author Affiliations


Optics Letters, Vol. 38, Issue 14, pp. 2621-2624 (2013)
http://dx.doi.org/10.1364/OL.38.002621


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Abstract

We study the scattering of normally incident waves by core-shell nanowires, which support both electric and magnetic resonances. Within such nanowires, for p-polarized incident waves, each electric resonance corresponds to two degenerate scattering channels while the magnetic resonance corresponds to only one channel. Consequently, when the electric dipole (ED) and magnetic dipole (MD) are tuned to overlap spectrally, the magnitude of the ED is twice that of the magnetic one, leading to a pair of angles of vanishing scattering. We further demonstrate that the scattering features of nanowires are polarization dependent, and vanishing scattering angles also can be induced by Fano resonances due to the interference of higher-order electric modes with the broad MD mode.

© 2013 Optical Society of America

OCIS Codes
(240.6680) Optics at surfaces : Surface plasmons
(260.5740) Physical optics : Resonance
(290.0290) Scattering : Scattering

ToC Category:
Scattering

History
Original Manuscript: May 22, 2013
Revised Manuscript: June 16, 2013
Manuscript Accepted: June 18, 2013
Published: July 15, 2013

Citation
Wei Liu, Andrey E. Miroshnichenko, Rupert F. Oulton, Dragomir N. Neshev, Ortwin Hess, and Yuri S. Kivshar, "Scattering of core-shell nanowires with the interference of electric and magnetic resonances," Opt. Lett. 38, 2621-2624 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-14-2621

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