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Optics Express

Optics Express

  • Vol. 16, Iss. 16 — Aug. 4, 2008
  • pp: 11802–11807

Optical planar chiral metamaterial designs for strong circular dichroism and polarization rotation

Do-Hoon Kwon, Pingjuan L. Werner, and Douglas H. Werner  »View Author Affiliations


Optics Express, Vol. 16, Issue 16, pp. 11802-11807 (2008)
http://dx.doi.org/10.1364/OE.16.011802


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Abstract

Planar chiral metamaterials comprising double-layer dielectricmetal-dielectric resonant structures in the shape of a gammadion are presented in the near-infrared regime. The unit cell of the doubly-periodic metamaterial design is optimized using the genetic algorithm for maximum circular dichroism and for maximum optical activity. A circular dichroism value in excess of 50% is predicted for the optimized design. Maximum polarization rotatory powers in terms of the minimum allowed transmittances are also obtained and presented.

© 2008 Optical Society of America

OCIS Codes
(050.1930) Diffraction and gratings : Dichroism
(160.4760) Materials : Optical properties
(260.5430) Physical optics : Polarization

ToC Category:
Metamaterials

History
Original Manuscript: March 17, 2008
Revised Manuscript: July 14, 2008
Manuscript Accepted: July 16, 2008
Published: July 23, 2008

Citation
Do-Hoon Kwon, Pingjuan L. Werner, and Douglas H. Werner, "Optical planar chiral metamaterial designs for strong circular dichroism and polarization rotation," Opt. Express 16, 11802-11807 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-16-11802


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