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Intensity modulation and polarization rotation of visible light by dielectric planar chiral metamaterials

Intensity modulation and polarization rotation of visible light by dielectric planar chiral metamaterials
Intensity modulation and polarization rotation of visible light by dielectric planar chiral metamaterials
We have demonstrated how dielectric planar chiral surfaces can both modulate the intensity and change the polarization state of visible light diffracted from patterned surfaces. These effects are shown to be dependent on the sense of chirality of the surface and the input polarization state of the light. Individual diffracted beams can show variations of over 30% in their intensities for different input polarization states while opposite enantiomeric structures can exhibit differences of over 50%.The size of these effects could make these surfaces particularly promising candidates for the development of solid-state polarization-state detectors.
planar chiral metamaterials dielectric polarisation
0003-6951
231905-1
Zhang, W.
1c80d4f2-4ba8-41f6-85a6-a76a4d65dc9b
Potts, A.
60d57f4c-abcf-4b6b-8247-28711e6fd4d4
Papakostas, A.
31744352-e4d4-4401-9920-ed286320190d
Bagnall, D.M.
5d84abc8-77e5-43f7-97cb-e28533f25ef1
Zhang, W.
1c80d4f2-4ba8-41f6-85a6-a76a4d65dc9b
Potts, A.
60d57f4c-abcf-4b6b-8247-28711e6fd4d4
Papakostas, A.
31744352-e4d4-4401-9920-ed286320190d
Bagnall, D.M.
5d84abc8-77e5-43f7-97cb-e28533f25ef1

Zhang, W., Potts, A., Papakostas, A. and Bagnall, D.M. (2005) Intensity modulation and polarization rotation of visible light by dielectric planar chiral metamaterials. Applied Physics Letters, 86 (23), 231905-1.

Record type: Article

Abstract

We have demonstrated how dielectric planar chiral surfaces can both modulate the intensity and change the polarization state of visible light diffracted from patterned surfaces. These effects are shown to be dependent on the sense of chirality of the surface and the input polarization state of the light. Individual diffracted beams can show variations of over 30% in their intensities for different input polarization states while opposite enantiomeric structures can exhibit differences of over 50%.The size of these effects could make these surfaces particularly promising candidates for the development of solid-state polarization-state detectors.

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Published date: April 2005
Keywords: planar chiral metamaterials dielectric polarisation
Organisations: Nanoelectronics and Nanotechnology

Identifiers

Local EPrints ID: 261027
URI: https://eprints.soton.ac.uk/id/eprint/261027
ISSN: 0003-6951
PURE UUID: f5668045-e892-45ac-a8b6-6936f837f9d0

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Date deposited: 05 Jul 2005
Last modified: 04 Nov 2019 20:51

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