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Demonstration of superluminal effects in an absorptionless, nonreflective system
D R Solli1, C F McCormick, C Ropers
1Department of Physics, University of California, Berkeley, California 94720-7300, USA.
Physical Review Letters
|November 13, 2003
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 counterintuitive effects.
