Plasmonic rack-and-pinion gear with chiral metasurface

Yuri Gorodetski; Alina Karabchevsky

doi:10.1117/12.2227908

18 April 2016 Plasmonic rack-and-pinion gear with chiral metasurface

Yuri Gorodetski, Alina Karabchevsky

Proceedings Volume 9883, Metamaterials X; 98830H (2016) https://doi.org/10.1117/12.2227908
Event: SPIE Photonics Europe, 2016, Brussels, Belgium

Abstract

The eﬀect of circularly polarized beaming excited by traveling surface plasmons, via chiral metasurface is experimentally studied. Here we show that the propagation direction of the plasmonic wave, evanescently excited on the thin gold film aﬀects the handedness of the scattered beam polarization. Nanostructured metasurface leads to excitation of localized plasmonic modes whose relative spatial orientation induces overall spin-orbit interaction. This eﬀect is analogical to the rack-and-pinion gear: the rotational motion into the linear motion converter. From the practical point of view, the observed eﬀect can be utilized in integrated optical circuits for communication systems, cyber security and sensing.

Conference Presentation

Citation Download Citation

Yuri Gorodetski and Alina Karabchevsky "Plasmonic rack-and-pinion gear with chiral metasurface", Proc. SPIE 9883, Metamaterials X, 98830H (18 April 2016); https://doi.org/10.1117/12.2227908

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