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Rotational symmetry breaking in small-area circular vertical cavity surface emitting lasers
2010, Babushkin, Ihar, Bandelow, Uwe, Vladimirov, Andrei
We investigate theoretically the dynamics of three low-order transverse modes in a small-area vertical cavity surface emitting laser. We demonstrate the breaking of axial symmetry of the transverse field distribution in such a device. In particular, we show that if the linewidth enhancement factor is sufficiently large dynamical regimes with broken axial symmetry can exist up to very high diffusion coefficients 10 um^2/ns.