Experimental demonstration of two-dimensional hybrid waveguide-integrated plasmonic crystals on silicon-on-insulator platform

Ren, G, Yudistira, D, Nguyen, G, Khodasevych, I, Schoenhardt, S, Berean, K, Hamm, J, Hess, O and Mitchell, A 2017, 'Experimental demonstration of two-dimensional hybrid waveguide-integrated plasmonic crystals on silicon-on-insulator platform', APL Photonics, vol. 2, no. 7, pp. 071302-1-071302-6.


Document type: Journal Article
Collection: Journal Articles

Title Experimental demonstration of two-dimensional hybrid waveguide-integrated plasmonic crystals on silicon-on-insulator platform
Author(s) Ren, G
Yudistira, D
Nguyen, G
Khodasevych, I
Schoenhardt, S
Berean, K
Hamm, J
Hess, O
Mitchell, A
Year 2017
Journal name APL Photonics
Volume number 2
Issue number 7
Start page 071302-1
End page 071302-6
Total pages 6
Publisher AIP Publishing LLC
Abstract Nanoscale plasmonic structures can offer unique functionality due to extreme sub-wavelength optical confinement, but the realization of complex plasmonic circuits is hampered by high propagation losses. Hybrid approaches can potentially overcome this limitation, but only few practical approaches based on either single or few element arrays of nanoantennas on dielectric nanowire have been experimentally demonstrated. In this paper, we demonstrate a two dimensional hybrid photonic plasmonic crystal interfaced with a standard silicon photonic platform. Off resonance, we observe low loss propagation through our structure, while on resonance we observe strong propagation suppression and intense concentration of light into a dense lattice of nanoscale hot-spots on the surface providing clear evidence of a hybrid photonic plasmonic crystal bandgap. This fully integrated approach is compatible with established silicon-on-insulator (SOI) fabrication techniques and constitutes a significant step toward harnessing plasmonic functionality within SOI photonic circuits.
Subject Photonics and Electro-Optical Engineering (excl. Communications)
Photonics, Optoelectronics and Optical Communications
Keyword(s) Integrated optics
Plasmonics
Hybrid integration
DOI - identifier 10.1063/1.4995996
Copyright notice © Author(s) 2017
ISSN 2378-0967
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