Broadband light coupling to dielectric slot waveguides with tapered plasmonic nanoantennas

Maksymov, I and Kivshar, Y 2013, 'Broadband light coupling to dielectric slot waveguides with tapered plasmonic nanoantennas', Optics Letters, vol. 38, no. 22, pp. 4853-4856.


Document type: Journal Article
Collection: Journal Articles

Title Broadband light coupling to dielectric slot waveguides with tapered plasmonic nanoantennas
Author(s) Maksymov, I
Kivshar, Y
Year 2013
Journal name Optics Letters
Volume number 38
Issue number 22
Start page 4853
End page 4856
Total pages 4
Publisher Optical Society of America
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.
Subject Nanophotonics
DOI - identifier 10.1364/OL.38.004853
Copyright notice © 2013 Optical Society of America
ISSN 0146-9592
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