Chiao, R. Y.Dogariu, A.Kuzmich, A.Milonni, P. W.Wang, L. J.2004-12-272004-12-2720012001http://hdl.handle.net/2003/1957510.17877/DE290R-2272enThe American Physical SocietyPhysical Review Letters530Signal Velocity, Causality, and Quantum Noise in Superluminal Light Pulse Propagation10.1103/PhysRevLett.86.3925article (journal)