Rotational symmetry breaking in small-area circular vertical cavity surface emitting lasers |
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Authors: | I Babushkin U Bandelow AG Vladimirov |
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Institution: | Weierstrass Institute for Applied Analysis and Stochastics Mohrenstr. 39, 10117, Berlin, Germany |
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Abstract: | We investigate theoretically the dynamics of three low-order transverse modes in a small-area vertical cavity surface emitting laser. We demonstrate the spontaneous 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 μm2/ns. |
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Keywords: | Vertical cavity surface emitting laser Laser dynamics Carrier diffusion |
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