Open Access Paper
21 February 2012 Spinoptics: Spin degeneracy removal in nanostructures
Vladimir Kleiner, Nir Shitrit, Erez Hasman
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Abstract
Spin-symmetry breaking in nanoscale structures caused by spin-orbit interaction, leading to a new branch in optics - spinoptics is presented. The spin-based effects offer an unprecedented ability to control light and its polarization state in nanometer-scale optical devices, thereby facilitating a variety of applications related to nano-photonics. The direct observation of optical spin-Hall effect that appears when a wave carrying spin angular momentum (AM) interacts with plasmonic nanostructures is introduced. A plasmonic nanostructure exhibits a crucial role of an AM selection rule in a light-surface plasmon scattering process. A spin-dependent dispersion splitting was obtained in a structure consisting of a coupled thermal antenna array. The observed effects inspire one to investigate other spin-based plasmonic effects and to propose a new generation of optical elements for nano-photonic applications.
© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Vladimir Kleiner, Nir Shitrit, and Erez Hasman "Spinoptics: Spin degeneracy removal in nanostructures", Proc. SPIE 8269, Photonic and Phononic Properties of Engineered Nanostructures II, 826902 (21 February 2012); https://doi.org/10.1117/12.927373
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KEYWORDS
Plasmonics

Antennas

Polarization

Dispersion

Nanostructures

Near field optics

Near field scanning optical microscopy

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