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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 16 — Aug. 1, 2011
  • pp: 14990–14998

Enhanced bandwidth and reduced dispersion through stacking multiple optical metamaterials

Matthew D. Escarra, Sukosin Thongrattanasiri, William O. Charles, Anthony J. Hoffman, Viktor A. Podolskiy, and Claire Gmachl  »View Author Affiliations

Optics Express, Vol. 19, Issue 16, pp. 14990-14998 (2011)

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All-semiconductor, highly anisotropic metamaterials provide a straightforward path to negative refraction in the mid-infrared. However, their usefulness in applications is restricted by strong frequency dispersion and limited spectral bandwidth. In this work, we show that by stacking multiple metamaterials of varying thickness and doping into one compound metamaterial, bandwidth is increased by 27% over a single-stack metamaterial, and dispersion is reduced.

© 2011 OSA

OCIS Codes
(160.1190) Materials : Anisotropic optical materials
(160.6000) Materials : Semiconductor materials
(160.3918) Materials : Metamaterials
(310.4165) Thin films : Multilayer design

ToC Category:

Original Manuscript: May 16, 2011
Revised Manuscript: July 6, 2011
Manuscript Accepted: July 6, 2011
Published: July 20, 2011

Matthew D. Escarra, Sukosin Thongrattanasiri, William O. Charles, Anthony J. Hoffman, Viktor A. Podolskiy, and Claire Gmachl, "Enhanced bandwidth and reduced dispersion through stacking multiple optical metamaterials," Opt. Express 19, 14990-14998 (2011)

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