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Research in Optical Sciences

Single-Qubit Laser: Generation of Nonlinear Coherent States

S. Ya. Kilin, Alexander B. Mikhalychev

Published Jan 1, 2012• 0 citations
Publisher

Abstract

We show that the stationary state of single-qubit laser is a phase-averaged nonlinear coherent state, provide superconvergent iterations method for its finding and investigate characteristic quantum properties of the state.
DOI
10.1364/qim.2012.qw3b.1

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The stationary state of a single-atom (single-qubit) laser is shown to be a phase-averaged nonlinear coherent state---an eigenstate of a specific deformed annihilation operator. The solution found for the stationary state is unique and valid for all regimes of the single-qubit laser operation. We have found the parametrization of the deformed annihilation operator which provides superconvergence in finding the stationary state by iteration. It is also shown that, contrary to the case of the usual laser with constant Einstein coefficients describing transition probabilities, for the single-atom laser the interaction-induced transition probabilities effectively depend on the field intensity.
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