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Journal of Nanophotonics

High-efficient ultra-short vertical long-range plasmonic couplers
Author(s): Giovanni Magno; Marco Grande; Vincenzo Petruzzelli; Antonella D'Orazio
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Paper Abstract

Ultra-short vertical plasmonic couplers were devised for the efficient excitation of long-range surface-polariton-plasmon mode, in the visible regime, between a polymeric waveguide and a plasmonic waveguide in two different configurations. Numerical simulations suggest the realization of coupling efficiencies as high as 90% and insertion losses as low as −5.5  dB , with a coupling length of few micrometers. Thus the proposed design clearly proves that is possible to optimize contemporaneously the coupling efficiency and the coupling length. Therefore the compactness and the lower fabrication requirements make the proposed device very promising in a variety of applications.

Paper Details

Date Published: 10 December 2012
PDF: 12 pages
J. Nanophoton. 6(1) 061609 doi: 10.1117/1.JNP.6.061609
Published in: Journal of Nanophotonics Volume 6, Issue 1
Show Author Affiliations
Giovanni Magno, Politecnico di Bari (Italy)
Marco Grande, Politecnico di Bari (Italy)
Vincenzo Petruzzelli, Politecnico di Bari (Italy)
Antonella D'Orazio, Politecnico di Bari (Italy)

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