Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/64256
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Type: Journal article
Title: A systemized view of superluminal wave propagation
Author: Withayachumnankul, W.
Fischer, B.
Ferguson, B.
Davis, B.
Abbott, D.
Citation: Proceedings of the Institute of Electrical and Electronics Engineers (IEEE), 2010; 98(10):1775-1786
Publisher: IEEE-Inst Electrical Electronics Engineers Inc
Issue Date: 2010
ISSN: 0018-9219
1558-2256
Statement of
Responsibility: 
Withawat Withayachumnankul, Bernd M. Fischer, Bradley Ferguson, Bruce R. Davis and Derek Abbott
Abstract: This paper reviews earlier studies on superluminal wave propagation in anomalously dispersive media that have been carried out in the electronic, microwave, and optical regimes. Those studies are relevant to observation of modulated Gaussian pulses transmitted through various media at speeds apparently faster than c without distortion. This paper also presents the condition for superluminal propagation that is established based on the magnitude-phase relation of a causal and minimum-phase filter. Since the condition is modeled on the basis of filter theory, it is applicable to all types of media. A terahertz experiment with a periodic bandgap structure is also included to illustrate superluminal propagation.
Keywords: Filter theory
photonic crystals
pulse shaping
superluminal propagation
terahertz radiation
Rights: © 2010 IEEE
DOI: 10.1109/JPROC.2010.2052910
Published version: http://dx.doi.org/10.1109/jproc.2010.2052910
Appears in Collections:Aurora harvest 5
Electrical and Electronic Engineering publications

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