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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 22 — Nov. 15, 2013
  • pp: 4853–4856

Broadband light coupling to dielectric slot waveguides with tapered plasmonic nanoantennas

I. S. Maksymov and Yu. S. Kivshar  »View Author Affiliations


Optics Letters, Vol. 38, Issue 22, pp. 4853-4856 (2013)
http://dx.doi.org/10.1364/OL.38.004853


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Abstract

We propose and theoretically verify an efficient mechanism of broadband coupling between incident light and on-chip dielectric slot waveguide by employing a tapered plasmonic nanoantenna. The nanoantenna receives free space radiation and couples it to a dielectric slot waveguide with the efficiency of up to 20% in a broad spectral range, having a small footprint as compared with the currently used narrowband dielectric grating couplers. We argue that the frequency selective properties of such nanoantennas also allow for using them as ultrasmall on-chip multiplexer/demultiplexer devices.

© 2013 Optical Society of America

OCIS Codes
(240.6680) Optics at surfaces : Surface plasmons
(250.5300) Optoelectronics : Photonic integrated circuits
(250.5403) Optoelectronics : Plasmonics

ToC Category:
Optoelectronics

History
Original Manuscript: June 28, 2013
Revised Manuscript: October 14, 2013
Manuscript Accepted: October 16, 2013
Published: November 14, 2013

Citation
I. S. Maksymov and Yu. S. Kivshar, "Broadband light coupling to dielectric slot waveguides with tapered plasmonic nanoantennas," Opt. Lett. 38, 4853-4856 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-22-4853

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