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Nature Photonics 3, 613 - 615 (2009)
doi:10.1038/nphoton.2009.200
Semiconductors: Excitonic lattice control
Hyatt M. Gibbs1 & Galina Khitrova1
- Hyatt M. Gibbs and Galina Khitrova are at the College of Optical Sciences, University of Arizona, Tucson, Arizona 85721, USA.
Correspondence to: Hyatt M. Gibbs1 e-mail: gibbs@optics.arizona.edu
Abstract
Customizing the refractive index of wells and barriers in a periodic array of quantum wells yields a way to control the reflectivity and dispersion of an excitonic lattice. The result is a new method for slowing or modulating light.

