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Numerical analysis of the coupling mechanism in long-range plasmonic couplers at 1.55 μm |
Optics Letters, Vol. 38, Issue 1, pp. 46-48 (2013)
http://dx.doi.org/10.1364/OL.38.000046
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Abstract
We study the coupling mechanism between a high refractive index contrast waveguide and a plasmonic thin-film waveguide in the IR range. We also propose a novel design of a vertical coupler based on loading the plasmonic waveguide with a high refractive index contrast medium on each side. We achieve a coupling efficiency and an insertion loss of about 95% and 0.2 dB, respectively, with a coupling length of only 2.85 μm at the working wavelength of 1.55 μm.
© 2012 Optical Society of America
OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(240.6680) Optics at surfaces : Surface plasmons
ToC Category:
Optics at Surfaces
History
Original Manuscript: September 24, 2012
Revised Manuscript: November 19, 2012
Manuscript Accepted: December 4, 2012
Published: December 20, 2012
Citation
Giovanni Magno, Marco Grande, Vincenzo Petruzzelli, and Antonella D’Orazio, "Numerical analysis of the coupling mechanism in long-range plasmonic couplers at 1.55 μm," Opt. Lett. 38, 46-48 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-1-46
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