Broadband linear and nonlinear optical response of plasmonic quasicrystals
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Author(s)
P. Ravishankar, Ajith
Yallapragada, V.
Kasture, Sachin
Nagarajan, Arvind
Achanta, Venu Gopal
Yallapragada, V.
Kasture, Sachin
Nagarajan, Arvind
Achanta, Venu Gopal
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2016
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Abstract
Plasmonic quasicrystals with 5-fold rotation symmetry are shown to offer broadband transmission enhancement. The observed linear transmission enhancement leads to broadband second harmonic generation in a wide incident angle range contrary to unpatterned gold film. From the measured linear and harmonic transmitted powers, we estimate the 2nd order susceptibility values in the 760–840 nm range.
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Optics Communications
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366
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Optical Physics not elsewhere classified
Optical Physics
Electrical and Electronic Engineering
Communications Technologies