Quantum Theory Of Superluminal Pulse Propagation

We consider the propagation in a dielectric medium of radiation emitted by a single-atom source. The source and dielectric atoms are assumed to be two-state systems, and the emitted light is incident on an ideal broadband detector. It is shown that the peak probability for producing a "click" at the detector can occur sooner than it could if there were no material medium between it and the source atom. © 2001 Optical Society of America.825965Wang, L.J., Kuzmich, A., Dogariu, A., Gain-assisted superluminal light propagation (2000) Nature, 406, p. 277Chu, S., Wong, S., Linear pulse propagation in an absorbing medium (1982) Phys. Rev. Lett., 48, p. 738Katz, A., Alfano, R.R., Pulse propagation in an absorbing medium (1982) Phys. Rev. Lett., 49, p. 1292Chu, S., Wong, S., Chu and Wong respond (1982) Phys. Rev. Lett., 40, p. 1293Milonni, P.W., James, D.F.V., Fearn, H., Causality and photodetection in quantum optics (1995) Phys. Rev., A52, p. 1525Garrett, C.G.B., McCumber, D.E., Propagation of a gaussian light pulse through an anomalous dispersion medium (1970) Phys. Rev., A1, p. 305Brillouin, L., (1960) Wave Propagation and Group Velocity, , Academic, New Yor