Dresden 2017 – wissenschaftliches Programm
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O: Fachverband Oberflächenphysik
O 69: Plasmonics and Nanooptics VI: Light-Matter Interactions and Characterisation
O 69.2: Vortrag
Mittwoch, 22. März 2017, 10:45–11:00, TRE Ma
Helicity Sorting of Photons: A Spin Optical Device — •Enno Krauss1, Gary Razinskas1, Dominik Koeck1, Swen Grossmann1, and Bert Hecht1,2 — 1NanoOptics & Biophotonics Group, Experimentelle Physik 5, Physikalisches Institut, Universität Würzburg, Am Hubland, 97074 Würzburg, Germany — 2Röntgen Research Center for Complex Material Systems (RCCM), Am Hubland, 97074 Würzburg, Germany
Spin optics adds an additional degree of freedom and therefore promises new functionalities in optical nanocircuits in analogy to spintronics. Here we study experimentally and theoretically spin-optical devices, so-called photon helicity sorters, based on "birefractive" propagation in a plasmonic two-wire transmission line. We study the mechanism that leads to spin-orbit coupling in these devices including the role of a geometrical phase.