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Author: Babushkin, Ihar × End date: 2019 × Start date: 2019 × End date: 2024 × Subject: Semiconductor lasers ×

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    Non-Poissonian statistics in an optical analog of quantum billiard with perfectly square boundaries
    (Berlin : Weierstraß-Institut für Angewandte Analysis und Stochastik, 2009) Babushkin, Ihar
    We study deviation from the Poissonian statistics of the frequency spacing distribution, appearing due to coupling of polarizational and transverse degrees of freedom in a perfectly square vertical cavity surface emitting laser. The deviation can be controlled by strength of the intracavity anisotropy and its alignment to the device boundaries.
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    Scar-like structures and their localization in a perfectly square optical billiard
    (Berlin : Weierstraß-Institut für Angewandte Analysis und Stochastik, 2009) Babushkin, Ihar
    We show that scar-like structures (SLS) in a wide aperture vertical cavity surface emitting laser (VCSEL) can be formed even in a perfectly square geometry due to interaction of polarization and spatial degrees of freedom of light. We show also that dissipation in the system induces an order among the cavity modes, so that SLS become preferred at lasing threshold. More generally, modes which are more localized both in coordinate and momentum space have in average lower losses.