Ooi, C. H. Raymond Max Planck Society;
Scully, Marlan O. Laser Physics, Max Planck Institute of Quantum Optics, Max Planck Society; Laser Spectroscopy, Max Planck Institute of Quantum Optics, Max Planck Society;
Ooi, C. H. R., & Scully, M. O. (2007). Two-photon correlation in a cascade amplifier: Propagation effects via a simple model, nonclassical regimes, and validity of neglecting Langevin noise. Physical Review A, 76(4): 043822. doi:10.1103/PhysRevA.76.043822.