Tailoring Enhanced Optical Chirality: Design Principles for Chiral Plasmonic Nanostructures

Electromagnetic fields with strong optical chirality can be formed in the near field of chiral plasmonic nanostructures. We calculate and visualize the degree of chirality to identify regions with relatively high values. This analysis leads to design principles for a simple utilization of chiral fie...

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Bibliographic Details
Published in:Physical review. X 2012-08, Vol.2 (3), p.031010, Article 031010
Main Authors: Schäferling, Martin, Dregely, Daniel, Hentschel, Mario, Giessen, Harald
Format: Article
Language:English
Subjects:
Amplification
Biological activity
Chemical reactions
Chirality
Circular polarization
Electromagnetic fields
Enantiomers
Investigations
Luminous intensity
Nanostructure
Plasmonics
Polarized light
Principles
Sugar
Superstructures
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Summary:Electromagnetic fields with strong optical chirality can be formed in the near field of chiral plasmonic nanostructures. We calculate and visualize the degree of chirality to identify regions with relatively high values. This analysis leads to design principles for a simple utilization of chiral fields. We investigate planar geometries, which offer a convenient way to access the designated fields, as well as three-dimensional nanostructures, which show a very high local optical chirality.
ISSN:2160-3308
2160-3308
DOI:10.1103/PhysRevX.2.031010