Abstract
We have studied the effect of high-temperature annealing on the properties of a laser heterostructure with InAs quantum dots in AlAs/GaAs superlattice. By increasing the time of annealing at 700°C, it is possible to provide for a smooth variation of the lasing wavelength from 1290 to 916 nm at a constant threshold current density (250 A/cm2 at T 0=110 K). By annealing the structure at 750°C, the lasing wavelength can be reduced to 845 nm.
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Translated from Pis’ma v Zhurnal Tekhnichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) Fiziki, Vol. 30, No. 15, 2004, pp. 55–61.
Original Russian Text Copyright © 2004 by Nikitina, Zhukov, Vasil’ev, Semenova, Gladyshev, Kryzhanovskaya, Maksimov, Shernyakov, Ustinov, Ledentsov.
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Nikitina, E.V., Zhukov, A.E., Vasil’ev, A.P. et al. Lasing wavelength of quantum dot heterostructures controlled within the 1.3–0.85 μm range by means of high-temperature annealing. Tech. Phys. Lett. 30, 644–646 (2004). https://doi.org/10.1134/1.1792300
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DOI: https://doi.org/10.1134/1.1792300