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Kvantovaya Elektronika, 2018, Volume 48, Number 4, Pages 390–394 (Mi qe16792)  

Lasers

Power characteristics of lasers with quantum-well waveguides and blocking layers

A. A. Afonenkoa, D. V. Ushakova, V. Ya. Aleshkinbc, A. A. Dubinovbc, N. V. Dikarevac, S. M. Nekorkinc, B. N. Zvonkovc

a Belarusian State University, Minsk
b Institute for Physics of Microstructures, Russian Academy of Sciences, Nizhnii Novgorod
c Lobachevski State University of Nizhni Novgorod

Abstract: The power characteristics of lasers with a quantum-well (QW) waveguide are calculated based on a complex model taking into account the diffusion and drift of charge carriers, capture of electrons and holes at the QW levels, spatial distribution of radiation in the cavity, intraband absorption, and heating of the active region. Structures with doped blocking barrier layers are proposed, which allow one to decrease leakage currents to a few percent. The calculated average output power of a laser based on the GaInAs/GaAs QW heterostructure (aperture 100 μm) with a QW waveguide and a GaAsP doped blocking layer in a pulsed regime was 29 W at 80-A current pulses with a duration of 5 μs.

Keywords: power characteristics, QW waveguide, potential barriers, diffusion-drift model, intraband absorption, leakage currents, active region heating.

Funding Agency Grant Number
Russian Foundation for Basic Research Ф16Р–018 (16-52-00049)
Ministry of Education and Science of the Russian Federation СП-109.2016.3

Author to whom correspondence should be addressed

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English version:
Quantum Electronics, 2018, 48:4, 390–394

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Received: 04.12.2017

Citation: A. A. Afonenko, D. V. Ushakov, V. Ya. Aleshkin, A. A. Dubinov, N. V. Dikareva, S. M. Nekorkin, B. N. Zvonkov, “Power characteristics of lasers with quantum-well waveguides and blocking layers”, Kvantovaya Elektronika, 48:4 (2018), 390–394 [Quantum Electron., 48:4 (2018), 390–394]

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  • Квантовая электроника Quantum Electronics
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