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1 2013

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Computer Simulation of Two - Mode Nonlinear Quantum Scissors

Dung Nguyen T., Leoński W., Cao Long V.

Computational Methods in Science and Technology

2013

Vol. 19, No. 3

175--181

We present a simulation method allowing for modeling of quantum dynamics of nonlinear quantum scissors’ (NQS) systems. We concentrate on the two-mode model involving two mutually interacting nonlinear quantum oscillators (Kerr nonlinear coupler) excited by a series of ultra-short external coherent pulses. We show that despite the simplicity of the method one can obtain non-trivial results. In particular, we discuss and compare two cases of kicked nonlinear coupler, showing that the quantum evolution of the system remains closed within a two-qubit Hilbert space and can lead to maximally entangled states generation.