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Exponential Superradiance and Macroscopic Entangled States
Valery N. Gorbachev, Alexander Ya Kazakov, Andrey I. Trubilko
163 - 171
NATO Science for Peace and Security Series - D: Information and Communication Security
Volume 11: Quantum Communication and Security
Abstract

An interaction between an ensemble of two-level atoms and a classical resonance wave and two quantized modes is considered. Using the effective Hamiltonian describing a parametric down conversion process we consider the dynamics of the system when one of the modes is in coherent state and another one is in vacuum state initially. We found a regime of generation in which the both quantized modes have the macroscopic photon numbers and their state is entangled.

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