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Helical light emission from plasmonic vortices via magnetic tapered tip
Maccaferri, Nicolò; Gorodetski, Yuri; Garoli, Denis
2018In Journal of Physics. Conference Series, 961
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Abstract :
[en] We investigate an architecture where a plasmonic vortex excited in a gold surface propagates on an adiabatically tapered magnetic tip and detaches to the far-field while carrying a well-defined optical angular momentum. We analyze the out-coming light and show that, despite generally high losses of flat magnetic surface, our 3D structure exhibits high energy throughput. Moreover, we show that once a magneto-optical activity is activated inside the magnetic tip a modulation of the total power transmittance is possible.
Disciplines :
Physics
Author, co-author :
Maccaferri, Nicolò ;  Istituto Italiano di Tecnologia
Gorodetski, Yuri
Garoli, Denis
External co-authors :
yes
Language :
English
Title :
Helical light emission from plasmonic vortices via magnetic tapered tip
Publication date :
2018
Event name :
NANOP 2017
Event place :
Barcelona, Spain
Event date :
from 13-09-2017 to 15-09-2017
Audience :
International
Journal title :
Journal of Physics. Conference Series
ISSN :
1742-6588
eISSN :
1742-6596
Publisher :
Institute of Physics, Bristol, United Kingdom
Volume :
961
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBilu :
since 28 February 2019

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