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pro vyhledávání: '"Afonenko, A."'
Due to their high optical phonon energies GaInP/AlGaInP heterostructures are a promising active medium to solve the problem of creating compact semiconductor sources with an operating frequency range of 5.5-7 THz. In this work, the temperature depend
Externí odkaz:
http://arxiv.org/abs/2310.10167
Autor:
Ushakov, D. V., Afonenko, A. A., Afonenko, An. A., Khabibullin, R. A., Fadeev, M. A., Gavrilenko, V. I., Dubinov, A. A.
Publikováno v:
Journal of Applied Physics; 4/7/2024, Vol. 135 Issue 13, p1-5, 5p
Autor:
Afonenko, Alexander, Ushakov, Dmitrii, Dubinov, Aleksandr, Aleshkin, Vladimir, Morozov, Sergey, Gavrilenko, Vladimir
We propose an electrically pumped laser diode based on multiple HgTe quantum wells with band structure engineered for Auger recombination suppression. A model for accounting for hot phonons is developed for calculating the nonequilibrium temperature
Externí odkaz:
http://arxiv.org/abs/2204.13110
Autor:
Afonenko, Aleksandr, Ushakov, Dmitry, Alymov, Georgy, Dubinov, Aleksandr, Morozov, Sergey, Gavrilenko, Vladimir, Svintsov, Dmitry
Operation of semiconductor lasers in the 20--50 $\mu$m wavelength range is hindered by strong non-radiative recombination in the interband laser diodes, and strong lattice absorption in GaAs-based quantum cascade structures. Here, we propose an elect
Externí odkaz:
http://arxiv.org/abs/2010.14502
Autor:
Ushakov, D. V., Afonenko, A. A., Khabibullin, R. A., Ponomarev, D. S., Aleshkin, V. Ya., Morozov, S. V., Dubinov, A. A.
HgCdTe-based quantum cascade lasers operating in the GaAs phonon Reststrahlen band with a target wavelength of 36 mkm are theoretically investigated using the balance equations method. The optimized active region designs, which are based on three and
Externí odkaz:
http://arxiv.org/abs/2002.04366
Autor:
Ushakov, D. V.1 (AUTHOR), Afonenko, A. A.1 (AUTHOR), Ponomarev, D. S.2 (AUTHOR), Pushkarev, S. S.2 (AUTHOR), Gavrilenko, V. I.3,4 (AUTHOR), Khabibullin, R. A.2,4,5 (AUTHOR) khabibullin_r@mail.ru
Publikováno v:
Radiophysics & Quantum Electronics. Oct2022, Vol. 65 Issue 5/6, p461-470. 10p.
Publikováno v:
Российский технологический журнал, Vol 10, Iss 3, Pp 45-55 (2022)
Objectives. Terahertz quantum-cascade lasers (THz QCLs) are compact solid-state lasers pumped by electrical injection to generate radiation in the range from 1.2 to 5.4 THz. The THz QCL operating frequency band contains absorption lines for a number
Externí odkaz:
https://doaj.org/article/e26ee82433924e8d9288a3bd7a5dccdd
Akademický článek
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Autor:
Afonenko, A. A., Ushakov, D. V., Dubinov, A. A., Aleshkin, V. Ya., Morozov, S. V., Gavrilenko, V. I.
Publikováno v:
Journal of Applied Physics; 8/21/2022, Vol. 132 Issue 7, p1-11, 11p
Autor:
Afonenko, Alexander A., Ushakov, Dmitrii V., Fadeev, Mikhail A., Morozov, Sergey V., Dubinov, Alexander A.
Publikováno v:
Physica Status Solidi. A: Applications & Materials Science; Sep2023, Vol. 220 Issue 17, p1-4, 4p