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Broken time reversal of light interaction with planar chiral nanostructures

Broken time reversal of light interaction with planar chiral nanostructures
Broken time reversal of light interaction with planar chiral nanostructures
We report unambiguous experimental evidence of broken time-reversal symmetry for the interaction of light with an artificial nonmagnetic material. Polarized color images of planar chiral gold-on-silicon nanostructures consisting of arrays of gammadions show intriguing and unusual symmetry: structures, which are geometrically mirror images, lose their mirror symmetry in polarized light. The symmetry of images can be described only in terms of antisymmetry (black-and-white symmetry) appropriate to a time-odd process. The effect results from a transverse chiral nonlocal electromagnetic response of the structure and has some striking resemblance with the expected features of light scattering on anyon matter.
1-4
Schwanecke, A.S.
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Krasavin, A.V.
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Bagnall, D.M.
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Potts, A.
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Zayats, A.V.
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Zheludev, N.I.
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Schwanecke, A.S.
ee362335-ee3e-4c26-8035-5c397e10b274
Krasavin, A.V.
2026f437-6d31-4ca1-a07f-52adc7aa24a4
Bagnall, D.M.
5d84abc8-77e5-43f7-97cb-e28533f25ef1
Potts, A.
60d57f4c-abcf-4b6b-8247-28711e6fd4d4
Zayats, A.V.
c17877b4-f5f9-497d-add0-d80684971f99
Zheludev, N.I.
32fb6af7-97e4-4d11-bca6-805745e40cc6

Schwanecke, A.S., Krasavin, A.V., Bagnall, D.M., Potts, A., Zayats, A.V. and Zheludev, N.I. (2003) Broken time reversal of light interaction with planar chiral nanostructures. Physical Review Letters, 91 (24), 1-4. (doi:10.1103/PhysRevLett.91.247404).

Record type: Article

Abstract

We report unambiguous experimental evidence of broken time-reversal symmetry for the interaction of light with an artificial nonmagnetic material. Polarized color images of planar chiral gold-on-silicon nanostructures consisting of arrays of gammadions show intriguing and unusual symmetry: structures, which are geometrically mirror images, lose their mirror symmetry in polarized light. The symmetry of images can be described only in terms of antisymmetry (black-and-white symmetry) appropriate to a time-odd process. The effect results from a transverse chiral nonlocal electromagnetic response of the structure and has some striking resemblance with the expected features of light scattering on anyon matter.

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Published date: 9 December 2003
Organisations: Nanoelectronics and Nanotechnology

Identifiers

Local EPrints ID: 258671
URI: https://eprints.soton.ac.uk/id/eprint/258671
PURE UUID: 7c7b9878-e2a4-4101-ad9b-8091c62c2ef5
ORCID for N.I. Zheludev: ORCID iD orcid.org/0000-0002-1013-6636

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Date deposited: 10 Dec 2003
Last modified: 03 Dec 2019 02:03

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Contributors

Author: A.S. Schwanecke
Author: A.V. Krasavin
Author: D.M. Bagnall
Author: A. Potts
Author: A.V. Zayats
Author: N.I. Zheludev ORCID iD

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