Demonstration of superluminal effects in an absorptionless, non-reflective system
arXiv:quant-ph/0308135 · doi:10.1103/PhysRevLett.91.143906
Abstract
We present an experimental and theoretical study of a simple, passive system consisting of a birefringent, two-dimensional photonic crystal and a polarizer in series, and show that superluminal dispersive effects can arise even though no incident radiation is absorbed or reflected. We demonstrate that a vector formulation of the Kramers-Kronig dispersion relations facilitates an understanding of these counter-intuitive effects.
6 pages, 3 figures, accepted on Physical Review Letters
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