Near-Complete Photon Spin Selectivity in a Metasurface of Anisotropic Plasmonic Antennas

Ogier, Robin, 1987 (författare): Chalmers tekniska högskola,Chalmers University of Technology

Fang, Yurui, 1983 (författare): Chalmers tekniska högskola,Chalmers University of Technology

Käll, Mikael, 1963 (författare): Chalmers tekniska högskola,Chalmers University of Technology

Svedendahl, Mikael, 1984 (författare): Chalmers tekniska högskola,Chalmers University of Technology,Chalmers University of Technology, Sweden

(creator_code:org_t)

American Physical Society, 2015
2015
Engelska.
Ingår i: Physical Review X. - : American Physical Society. - 2160-3308. ; 5:4

Relaterad länk:: http://dx.doi.org/10...; visa fler...; https://research.cha... (primary) (free); https://research.cha...; https://doi.org/10.1...; https://urn.kb.se/re...; visa färre...

Abstract Ämnesord

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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.

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)

Av författaren/redakt...: Ogier, Robin, 19 ...; Fang, Yurui, 198 ...; Käll, Mikael, 19 ...; Svedendahl, Mika ...

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