Continuous-wave two-photon terahertz quantum cascade laser

Khabibullin, R. A.; Ushakov, D. V.; Afonenko, A. A.; Pavlov, A. Yu.; Galiev, R. R.; Ponomarev, D. S.; Vasilyev, A. P.; Kuzmenkov, A. G.; Maleev, N. A.; Zubov, F. I.; Maksimov, M. V.; Belov, D. A.; Ikonnikov, A. V.; Kuritsyn, D. I.; Zhukavin, R. Kh.; Kovalevsky, K. A.; Anfertev, V. A.; Vaks, V. L.; Antonov, A. V.; Dubinov, A. A.; Morozov, S. V.; Gavrilenko, V. I.

doi:10.1063/5.0230491

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Please use this identifier to cite or link to this item: https://elib.bsu.by/handle/123456789/326619

Title:	Continuous-wave two-photon terahertz quantum cascade laser
Authors:	Khabibullin, R. A. Ushakov, D. V. Afonenko, A. A. Pavlov, A. Yu. Galiev, R. R. Ponomarev, D. S. Vasilyev, A. P. Kuzmenkov, A. G. Maleev, N. A. Zubov, F. I. Maksimov, M. V. Belov, D. A. Ikonnikov, A. V. Kuritsyn, D. I. Zhukavin, R. Kh. Kovalevsky, K. A. Anfertev, V. A. Vaks, V. L. Antonov, A. V. Dubinov, A. A. Morozov, S. V. Gavrilenko, V. I.
Keywords:	ЭБ БГУ::ЕСТЕСТВЕННЫЕ И ТОЧНЫЕ НАУКИ::Физика
Issue Date:	2024
Citation:	J. Appl. Phys. 136, 194504 (2024)
Abstract:	We report on the implementation of a terahertz two-photon quantum cascade laser operating in a continuous wave mode. Lasers that can emit two photons as a result of the relaxation of a single electron between two states of the same parity have been discussed since the early days of the laser era, but implementation has been hampered by the lack of a suitable gain medium. The semiconductor structure of a quantum cascade laser seems to be an ideal medium for realizing such two-photon emission. Our work demonstrates dual-band laser radiation in the range of 3.1–3.9 THz (104–130 cm−1) at temperatures up to 90 K
Description:	D.A.B is grateful to the Theoretical Physics and Mathematics Advancement Foundation “BASIS” scholarship for the support.’ The authors are grateful to M.A. Fadeev for assistance with measurements and useful discussions.
URI:	https://elib.bsu.by/handle/123456789/326619
DOI:	10.1063/5.0230491
Sponsorship:	The work was supported by the Russian Science Foundation Grant No. 23-19-00436. The growth of the QCL heterostructure was carried out within the framework of the Russian Science Foundation Project No. 21-72-30020. A.A.D. and V.A.A. were sup ported by the state assignment of Ministry of Science and Higher Education of the Russian Federation FFUF-2024-0045.
Licence:	info:eu-repo/semantics/openAccess
Appears in Collections:	Кафедра квантовой радиофизики и оптоэлектроники. Статьи

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