ROSA, L.; GERVINSKAS, G.; BRASSELET, E.; JUODKAZIS, S.

doi:10.1109/COMMAD.2012.6472385

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ROSA, L.
Centre for Micro-Photonics [Hawthorn]

GERVINSKAS, G.
Centre for Micro-Photonics [Hawthorn]

BRASSELET, E.
Laboratoire Ondes et Matière d'Aquitaine [LOMA]

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Communication dans un congrès avec actes

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Conference on Optoelectronic and Microelectronic Materials and Devices (COMMAD), 2012-12-12, Melbourne, VIC. 2012-12p. 111-112

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We simulate the spectral properties of simple plasmonic nanoparticles (NPs), which we have fabricated with electron beam lithography (EBL) and lift-off, with or without nano-grooves milled by ion-beam lithography (IBL). We estimate the NP behaviour under laser illumination using 3D finite difference time domain (FDTD) simulations, showing that simple non-chiral NPs can generate torque from circularly polarized beams and emit optical vortices via spin-orbit coupling. We demonstrate numerically the position and intensity control of field enhancement hot-spots in chiral NPs illuminated by optical vortex, by combining spin/orbit momentum and NP chirality.< Leer menos

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Plasmonic nano-structures for opto-mechanical and sensing applications

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