Signatures of the Pair-Coherent State

Details Signatures of the Pair-Coherent State Signatures of the Pair-Coherent State

2001-02-12

arxiv.org/abs/quant-ph/0102059v1

Published in J. Opt B, 2, p47, 2000

Physics

Quantum Physics

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Scientific paper

We explore in detail the possibility of generating a pair-coherent state in the non-degenerate parametric oscillator when decoherence is included. Such states are predicted in the transient regime in parametric oscillation where the pump mode is adiabatically eliminated. Two specific signatures are examined to indicate whether the state of interest has been generated, the Schrodinger cat state - like signatures, and the fidelity. Solutions in a transient regime reveal interference fringes which are indicative of the formation of a Schrodinger cat state. The fidelity indicates the purity of our prepared state compared to the ideal pair-coherent state.

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