Transient dynamics of linear quantum amplifiers

Details Transient dynamics of linear quantum amplifiers Transient dynamics of linear quantum amplifiers

2004-12-02

arxiv.org/abs/quant-ph/0412018v2

Eur. Phys. J. D 36, 329-338 (2005)

Physics

Quantum Physics

10 pages, 6 figures. V2: extended discussion on applications

Scientific paper

10.1140/epjd/e2005-00275-5

The transient dynamics of a quantum linear amplifier during the transition from damping to amplification regime is studied. The master equation for the quantized mode of the field is solved, and the solution is used to describe the statistics of the output field. The conditions under which a nonclassical input field may retain nonclassical features at the output of the amplifier are analyzed and compared to the results of earlier theories. As an application we give a dynamical description of the departure of the system from thermal equilibrium.

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