Observation of optical spin symmetry breaking in nanoapertures

Yuri Gorodetski; Nir Shitrit; Itay Bretner; Vladimir Kleiner; Erez Hasman

doi:10.1021/nl901437d

Observation of optical spin symmetry breaking in nanoapertures

Yuri Gorodetski, Nir Shitrit, Itay Bretner, Vladimir Kleiner, Erez Hasman

Research output: Contribution to journal › Article › peer-review

165 Scopus citations

Abstract

Observation of a spin symmetry breaking effect in plasmonic nanoscale structures due to spin-orbit interaction is presented. We demonstrate a nanoplasmonic structure which exhibits a crucial role of an angular momentum (AM) selection rule in a light-surface plasmon scattering process. In our experiment, the intrinsic AM (spin) of the incident radiation is coupled to the extrinsic momentum (orbital AM) of the surface plasmons via spin-orbit interaction. Due to this effect, we achieved a spin-controlled enhanced transmission through a coaxial nanoaperture.

Original language	English
Pages (from-to)	3016-3019
Number of pages	4
Journal	Nano Letters
Volume	9
Issue number	8
DOIs	https://doi.org/10.1021/nl901437d
State	Published - 12 Aug 2009
Externally published	Yes

ASJC Scopus subject areas

Bioengineering
General Chemistry
General Materials Science
Condensed Matter Physics
Mechanical Engineering

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10.1021/nl901437d

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abstract = "Observation of a spin symmetry breaking effect in plasmonic nanoscale structures due to spin-orbit interaction is presented. We demonstrate a nanoplasmonic structure which exhibits a crucial role of an angular momentum (AM) selection rule in a light-surface plasmon scattering process. In our experiment, the intrinsic AM (spin) of the incident radiation is coupled to the extrinsic momentum (orbital AM) of the surface plasmons via spin-orbit interaction. Due to this effect, we achieved a spin-controlled enhanced transmission through a coaxial nanoaperture.",

author = "Yuri Gorodetski and Nir Shitrit and Itay Bretner and Vladimir Kleiner and Erez Hasman",

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AU - Gorodetski, Yuri

AU - Shitrit, Nir

AU - Bretner, Itay

AU - Kleiner, Vladimir

AU - Hasman, Erez

PY - 2009/8/12

Y1 - 2009/8/12

N2 - Observation of a spin symmetry breaking effect in plasmonic nanoscale structures due to spin-orbit interaction is presented. We demonstrate a nanoplasmonic structure which exhibits a crucial role of an angular momentum (AM) selection rule in a light-surface plasmon scattering process. In our experiment, the intrinsic AM (spin) of the incident radiation is coupled to the extrinsic momentum (orbital AM) of the surface plasmons via spin-orbit interaction. Due to this effect, we achieved a spin-controlled enhanced transmission through a coaxial nanoaperture.

AB - Observation of a spin symmetry breaking effect in plasmonic nanoscale structures due to spin-orbit interaction is presented. We demonstrate a nanoplasmonic structure which exhibits a crucial role of an angular momentum (AM) selection rule in a light-surface plasmon scattering process. In our experiment, the intrinsic AM (spin) of the incident radiation is coupled to the extrinsic momentum (orbital AM) of the surface plasmons via spin-orbit interaction. Due to this effect, we achieved a spin-controlled enhanced transmission through a coaxial nanoaperture.

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Observation of optical spin symmetry breaking in nanoapertures

Abstract

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