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Quantum behavior of a PT-symmetric two-mode system with cross-Kerr nonlinearity

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    0511652 - FZÚ 2020 RIV CH eng J - Journal Article
    Peřina, Jan - Lukš, A.
    Quantum behavior of a PT-symmetric two-mode system with cross-Kerr nonlinearity.
    Symmetry-Basel. Roč. 11, č. 8 (2019), s. 1-12, č. článku 1020. E-ISSN 2073-8994
    Institutional support: RVO:68378271
    Keywords : nonlinearly coupled oscillators * PT symmetry * cross-Kerr nonlinearity * stability analysis * quantum properties
    OECD category: Optics (including laser optics and quantum optics)
    Impact factor: 2.645, year: 2019
    Method of publishing: Open access

    Quantum behavior of two oscillator modes, with mutually balanced gain and loss and coupled via linear coupling (including energy conserving as well as energy non-conserving terms) and nonlinear cross-Kerr effect, is investigated. Stationary states are found and their stability analysis is given. Exceptional points for PT-symmetric cases are identified. Quantum dynamics treated by the model of linear operator corrections to a classical solution reveals nonclassical properties of individual modes (squeezing) as well as their entanglement.
    Permanent Link: http://hdl.handle.net/11104/0301882

     
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