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Proceedings Paper

Efficient butt-coupling of surface plasmons on a silver-air interface
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Paper Abstract

Butt-coupling of light into a surface plasmon is a simple and compact coupling method with a range of potential uses in photonic circuitry. Although butt-coupling has been successfully implemented in many coupling configurations, the coupling effectiveness is not fully understood. Here, we present a semi-analytical study which models the coupling efficiency of an incident beam into a surface plasmon on silver in the presence of loss using an projection method in one dimension. We find that the coupling efficiencies for silver between the wavelengths of 0:38 - 1:6 μm reach 77 - 88% with optimum incident beam parameters.

Paper Details

Date Published: 22 December 2015
PDF: 9 pages
Proc. SPIE 9668, Micro+Nano Materials, Devices, and Systems, 966824 (22 December 2015); doi: 10.1117/12.2202452
Show Author Affiliations
Caitlin Fisher, The Univ. of Sydney (Australia)
Lindsay C. Botten, Australian National Univ. (Australia)
Univ. of Technology, Sydney (Australia)
Christopher G. Poulton, Univ. of Technology, Sydney (Australia)
Ross C. McPhedran, The Univ. of Sydney (Australia)
C. Martijn de Sterke, The Univ. of Sydney (Australia)

Published in SPIE Proceedings Vol. 9668:
Micro+Nano Materials, Devices, and Systems
Benjamin J. Eggleton; Stefano Palomba, Editor(s)

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