Maximizing energy coupling to complex plasmonic devices by injecting light into eigenchannels

Surface plasmon polaritons have attracted broad attention in the optoelectronics field due to their ability to merge nanoscale electronics with high-speed optical communication. As the complexity of optoelectronic devices increases to meet various needs, this integration has been hampered by the low...

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Bibliographic Details
Published in:Scientific reports 2017-08, Vol.7 (1), p.9779-8, Article 9779
Main Authors: Jo, Yonghyeon, Choi, Wonjun, Seo, Eunsung, Ahn, Junmo, Park, Q-Han, Jhon, Young Min, Choi, Wonshik
Format: Article
Language:English
Subjects:
132/124
639/624/400/1021
639/925/927/356
Cameras
Efficiency
Energy coupling
Humanities and Social Sciences
Integrated circuits
Integration
Light
multidisciplinary
Photonics
Propagation
Radiation
Science
Science (multidisciplinary)
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Summary:Surface plasmon polaritons have attracted broad attention in the optoelectronics field due to their ability to merge nanoscale electronics with high-speed optical communication. As the complexity of optoelectronic devices increases to meet various needs, this integration has been hampered by the low coupling efficiency of light to plasmonic modes. Here we present a method to maximize the coupling of far-field optical waves to plasmonic waves for arbitrarily complex devices. The method consists of experimentally identifying the eigenchannels of a given nanostructure and shaping the wavefront of incident light to a particular eigenchannel that maximizes the generation of plasmonic waves. Our proposed approach increases the coupling efficiency almost four-fold with respect to the uncontrolled input. Our study will help to facilitate the integration of electronics and photonics.
ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-017-10148-w