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Near-Complete Photon Spin Selectivity in a Metasurface of Anisotropic Plasmonic Antennas
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- Ogier, Robin, 1987 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Fang, Yurui, 1983 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Käll, Mikael, 1963 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Svedendahl, Mikael, 1984 (author)
- Chalmers tekniska högskola,Chalmers University of Technology,Chalmers University of Technology, Sweden
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(creator_code:org_t)
- American Physical Society, 2015
- 2015
- English.
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In: Physical Review X. - : American Physical Society. - 2160-3308. ; 5:4
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Abstract
Subject headings
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- Simple chiroptically active metamaterials are difficult to realize in practice but could pave the way for a range of important applications, such as sensitive optical biosensors, asymmetric catalysis, and novel polarization manipulation devices. We show that a metasurface based on a random arrangement of anisotropic but aligned gold nanoparticles can exhibit an almost perfect selectivity towards incident photon spin for evanescent excitation with visible to near-infrared light. The experimentally attained reflection contrast between left- and right-handed circularly polarized light peaks at similar to 90%, in excellent agreement with analytical theory. These results are important for the development of future photonic and plasmonic polarization-based technologies.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Nanoteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Nano-technology (hsv//eng)
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
Keyword
- metamaterials
- interference
- colloidal lithography
- nanophotonic wave-guide
- nanostructures
- broad-band
- fields
- layers
- oligomers
- chirality
- Physics
- Fysik
Publication and Content Type
- art (subject category)
- ref (subject category)
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