A general analysis of undistorted propagation of localized wave packets in photonic crystals based on a Wannier-function expansion technique is presented. Different kinds of propagating and stationary spatiotemporal localized waves are found from an asymptotic analysis of the Wannier function envelope equation. PACS: 41.20.Jb, 42.70.Qs, 42.25.Bs
Localized and nonspreading spatiotemporal Wannier wave packets in photonic crystals
S Longhi
2005
Abstract
A general analysis of undistorted propagation of localized wave packets in photonic crystals based on a Wannier-function expansion technique is presented. Different kinds of propagating and stationary spatiotemporal localized waves are found from an asymptotic analysis of the Wannier function envelope equation. PACS: 41.20.Jb, 42.70.Qs, 42.25.BsFile in questo prodotto:
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