TY - JOUR
T1 - Helical light emission from plasmonic vortices via magnetic tapered tip
AU - Maccaferri, N.
AU - Gorodetski, Y.
AU - Garoli, D.
N1 - Publisher Copyright:
© Published under licence by IOP Publishing Ltd.
PY - 2018/2/1
Y1 - 2018/2/1
N2 - 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.
AB - 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.
UR - http://www.scopus.com/inward/record.url?scp=85043259134&partnerID=8YFLogxK
U2 - 10.1088/1742-6596/961/1/012001
DO - 10.1088/1742-6596/961/1/012001
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AN - SCOPUS:85043259134
SN - 1742-6588
VL - 961
JO - Journal of Physics: Conference Series
JF - Journal of Physics: Conference Series
IS - 1
M1 - 012001
T2 - 2nd Nanophotonics and Micro/Nano Optics International Conference 2017, NANOP 2017
Y2 - 13 September 2017 through 15 September 2017
ER -