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Optics Letters

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  • Vol. 36, Iss. 17 — Sep. 1, 2011
  • pp: 3368–3370

Crucial role of the emitter–particle distance on the directivity of optical antennas

Brice Rolly, Brian Stout, Sebastien Bidault, and Nicolas Bonod  »View Author Affiliations


Optics Letters, Vol. 36, Issue 17, pp. 3368-3370 (2011)
http://dx.doi.org/10.1364/OL.36.003368


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Abstract

We demonstrate that the reflecting properties of a single particle nanoantenna can be extremely sensitive to its distance from a quantum emitter at frequencies lower than the plasmon resonance. The phenomenon is shown to arise from rapid phase variations of the emitter field at short distances associated with a phase of the antenna particle polarizability lower than π / 4 .

© 2011 Optical Society of America

OCIS Codes
(240.6680) Optics at surfaces : Surface plasmons
(260.3910) Physical optics : Metal optics
(290.5850) Scattering : Scattering, particles

ToC Category:
Scattering

History
Original Manuscript: June 14, 2011
Revised Manuscript: July 29, 2011
Manuscript Accepted: August 1, 2011
Published: August 23, 2011

Citation
Brice Rolly, Brian Stout, Sebastien Bidault, and Nicolas Bonod, "Crucial role of the emitter–particle distance on the directivity of optical antennas," Opt. Lett. 36, 3368-3370 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-17-3368

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