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Group velocity in lossy periodic structured media

Chen, P.Y; McPhedran, Ross; de Sterke, C Martijn; Poulton, Christopher; Asatryan, Ara A; Botten, Lindsay; Steel, M.J.


In lossless periodic media, the concept of group velocity is fundamental to the study of propagation dynamics. When spatially averaged, the group velocity is numerically equivalent to energy velocity, defined as the ratio of energy flux to energy density

CollectionsANU Research Publications
Date published: 2010
Type: Journal article
Source: Physical Review A: Atomic, Molecular and Optical Physics
DOI: 10.1103/PhysRevA.82.053825


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