Transverse mode switching in quantum well-dot lasers triggered by gain saturation

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Abstract

Having investigated narrow-ridge lasers based on a single layer of InGaAs quantum well-dots emitting at the wavelength of 1.06 μm we have shown anomalous transverse multimode lasing not observed in the broad-area lasers. The effect is shown to be caused by the wavelength shift triggered by the ground state gain saturation.

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Payusov, A. S., Kharchenko, A. A., Serin, A. A., Kornyshov, G. O., Shernyakov, Y. M., Mintairov, S. A., … Gordeev, N. Y. (2019). Transverse mode switching in quantum well-dot lasers triggered by gain saturation. In Journal of Physics: Conference Series (Vol. 1410). Institute of Physics Publishing. https://doi.org/10.1088/1742-6596/1410/1/012118

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