## Abstract This paper shows that inside photonic band gap (PBG) materials the effective index of refraction __n__~__eff__~, defined in terms of group velocity, becomes negative in a certain range of frequencies. Also, near the photonic‐band edge the effective index of refraction __n__~__eff__~ att
Group velocity, energy velocity, and superluminal propagation in finite photonic band-gap structures
✍ Scribed by D’Aguanno, G.; Centini, M.; Scalora, M.; Sibilia, C.; Bloemer, M. J.; Bowden, C. M.; Haus, J. W.; Bertolotti, M.
- Book ID
- 125809811
- Publisher
- The American Physical Society
- Year
- 2001
- Tongue
- English
- Weight
- 118 KB
- Volume
- 63
- Category
- Article
- ISSN
- 1063-651X
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📜 SIMILAR VOLUMES
## Abstract In the paper of Ojha et al. (Microwave Opt Technol Lett 42 (2004), 82–87), an erroneous definition of the effective refractive index __n__~__eff__~ in a photonic band gap (PBG) structure is used. The effective refractive index __n__~__eff__~ is defined as a function of the group velocit
## Abstract © 2005 Wiley Periodicals, Inc. Microwave Opt Technol Lett 46: 94–95, 2005; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20911