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Photonics 2016, 3(4), 60; doi:10.3390/photonics3040060

Locally Enhanced and Tunable Optical Chirality in Helical Metamaterials

1
Zuse Institute Berlin, Takustr. 7, 14195 Berlin, Germany
2
JCMwave GmbH, Bolivarallee 22, 14050 Berlin, Germany
*
Author to whom correspondence should be addressed.
Received: 31 October 2016 / Revised: 17 November 2016 / Accepted: 18 November 2016 / Published: 23 November 2016
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Abstract

We report on a numerical study of optical chirality. Intertwined gold helices illuminated with plane waves concentrate right and left circularly polarized electromagnetic field energy to sub-wavelength regions. These spots of enhanced chirality can be smoothly shifted in position and magnitude by varying illumination parameters, allowing for the control of light-matter interactions on a nanometer scale. View Full-Text
Keywords: metamaterials; optical chirality; computational nano-optics metamaterials; optical chirality; computational nano-optics
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Gutsche, P.; Mäusle, R.; Burger, S. Locally Enhanced and Tunable Optical Chirality in Helical Metamaterials. Photonics 2016, 3, 60.

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