Enhancement of group velocity via homogenization: Isotropic and anisotropic dielectric scenarios

Tom G. Mackay, Akhlesh Lakhtakia

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Under certain circumstances, the magnitude of the group velocity in a homogenized composite material (HCM) can exceed that of the group velocity in its constituent materials. An enhancement in the magnitude of group velocity in isotropic as well as anisotropic dielectric HCMs is predicted by the application of the Bruggeman formalism for the homogenization of two constituent dielectric materials, one of which is characterized by a relatively large permittivity and relatively small frequency-dispersion as compared with the other constituent material. Group-velocity enhancement is sensitively dependent upon the shape and orientation of the constituent particles.

Original languageEnglish (US)
Title of host publicationNanomodeling II
DOIs
StatePublished - Nov 23 2006
EventNanomodeling II - San Diego, CA, United States
Duration: Aug 13 2006Aug 15 2006

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume6328
ISSN (Print)0277-786X

Other

OtherNanomodeling II
Country/TerritoryUnited States
CitySan Diego, CA
Period8/13/068/15/06

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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