Abstract
Advantages of the concept of high-powered semiconductor nanoheterostructure lasers for the spectral range 1700–1800 nm, grown by MOCVD in the InGaAsP/InP solid solution system, have been experimentally demonstrated. It has been found that using an expanded waveguide enables reduction to 2 cm−1 of the internal optical loss in quantum-well asymmetric separate-confinement double InGaAsP/InP heterostructures emitting at a wavelength of 1.76 µm. The heterostructures developed have been used to create multimode lasers with a room-temperature CW output power of 2.5 W in an aperture of 100 µm. It is shown that use of highly stressed quantum-well InGaAs layers as the active region makes it possible to obtain characteristic temperatures T 0 = 50–60 K.
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Original Russian Text © A.V. Lyutetskiy, N.A. Pikhtin, N.V. Fetisova, A.Yu. Leshko, S.O. Slipchenko, Z.N. Sokolova, Yu.A. Ryaboshtan, A.A. Marmalyuk, I.S. Tarasov, 2009, published in Fizika i Tekhnika Poluprovodnikov, 2009, Vol. 43, No. 12, pp. 1646–1649.
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Lyutetskiy, A.V., Pikhtin, N.A., Fetisova, N.V. et al. High-power diode lasers (λ = 1.7–1.8 µm) based on asymmetric quantum-well separate-confinement InGaAsP/InP heterostructures. Semiconductors 43, 1602–1605 (2009). https://doi.org/10.1134/S1063782609120057
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DOI: https://doi.org/10.1134/S1063782609120057