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Phys Rev Lett. 2000 Oct 30;85(18):3801-4.

Enhanced quantum correlations in bound higher-order solitons

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  • 1Friedrich-Schiller-Universitat Jena, Theoretisch-Physikalisches Institut, Max-Wien-Platz 1, D-07743 Jena, Germany.


Quantum effects in N-bound solitons can be drastically enhanced compared to the fundamental soliton. In particular, the spectral photon-number correlations are much stronger. The formation of spectral domains of almost perfect positive and negative correlations is predicted. Criteria that are based on the Cauchy-Schwarz inequality are used for studying nonclassical correlations. Interferences between different soliton components of the N-bound solution being responsible for the strong changes in the coherent amplitude may also be a mechanism for the strong correlations. The results offer novel possibilities of producing light with highly nonclassical properties.

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