Abstract
The spectral, threshold, and power characteristics of a microdisk laser 31 μm in diameter with an active region based on InAs/InGaAs quantum dots, operating in the continuous-wave (cw) mode at room temperature are studied. The minimum threshold current density is 0.58 kA/cm2, the subthreshold linewidth of the whispering-gallery mode is 50 pm at a wavelength lying in the range of 1.26–1.27 μm. The total power emitted into free space reaches ~0.1 mW in the cw mode, whereas the radiation power of the whispering-gallery modes is ~2.8%.
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Original Russian Text © F.I. Zubov, N.V. Kryzhanovskaya, E.I. Moiseev, Yu.S. Polubavkina, O.I. Simchuk, M.M. Kulagina, Yu.M. Zadiranov, S.I. Troshkov, A.A. Lipovskii, M.V. Maximov, A.E. Zhukov, 2016, published in Fizika i Tekhnika Poluprovodnikov, 2016, Vol. 50, No. 10, pp. 1425–1428.
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Zubov, F.I., Kryzhanovskaya, N.V., Moiseev, E.I. et al. Laser characteristics of an injection microdisk with quantum dots and its free-space outcoupling efficiency. Semiconductors 50, 1408–1411 (2016). https://doi.org/10.1134/S1063782616100250
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DOI: https://doi.org/10.1134/S1063782616100250