Special Section: Selected Papers from the 4th Mediterranean Conference on Nanophotonics

High-efficient ultra-short vertical long-range plasmonic couplers

[+] Author Affiliations
Giovanni Magno

Politecnico di Bari, Dipartimento di Elettrotecnica ed Elettronica, Via Re David 200, 70125 Bari, Italy

Marco Grande

Politecnico di Bari, Dipartimento di Elettrotecnica ed Elettronica, Via Re David 200, 70125 Bari, Italy

Vincenzo Petruzzelli

Politecnico di Bari, Dipartimento di Elettrotecnica ed Elettronica, Via Re David 200, 70125 Bari, Italy

Antonella D’Orazio

Politecnico di Bari, Dipartimento di Elettrotecnica ed Elettronica, Via Re David 200, 70125 Bari, Italy

J. Nanophoton. 6(1), 061609 (Dec 10, 2012). doi:10.1117/1.JNP.6.061609
History: Received May 21, 2012; Revised September 7, 2012; Accepted November 15, 2012
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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 5.5dB, 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.

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© 2012 Society of Photo-Optical Instrumentation Engineers

Citation

Giovanni Magno ; Marco Grande ; Vincenzo Petruzzelli and Antonella D’Orazio
"High-efficient ultra-short vertical long-range plasmonic couplers", J. Nanophoton. 6(1), 061609 (Dec 10, 2012). ; http://dx.doi.org/10.1117/1.JNP.6.061609


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