Electro-optical control in a plasmonic metamaterial hybridised with a liquid-crystal cell
Journal article published in 2013 by
O. Buchnev,
J. Y. Ou 
,
M. Kaczmarek,
N. I. Zheludev,
V. A. Fedotov
,
M. Kaczmarek,
N. I. Zheludev,
V. A. Fedotov
This paper is made freely available by the publisher.
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Abstract
We experimentally demonstrate efficient electro-optical control in an active nano-structured plasmonic metamaterial hybridised with a liquid-crystal cell. The hybridisation was achieved by simultaneously replacing the polarizer, transparent electrode and molecular alignment layer of the liquid-crystal cell with the metamaterial nano-structure. With the control signal of only 7V we have achieved a fivefold hysteresis-free modulation of metamaterial transmission at the wavelength of 1.55 μm.