Effect of Features of the Band Spectrum on the Characteristics of Stimulated Emission in Narrow-Gap Heterostructures with HgCdTe Quantum Wells


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Аннотация

We report on the stimulated emission obtained in the wavelength range of 20.3–17.4 μm on the interband transitions at T = 8–50 K in HgCdTe quantum wells placed in a dielectric waveguide formed from wide-gap CdHgTe solid solution. Heterostructures with HgCdTe quantum wells are interesting for designing long-wavelength lasers operating in the wavelength range of 25–60 μm, which is not covered by currently available quantum cascade lasers. It is shown that the maximum temperature of stimulated emission is determined by the position of lateral maxima in the dispersion dependences in the first valence subband of the quantum well. Methods for suppressing nonradiative recombination in the structures with HgCdTe quantum wells are discussed.

Об авторах

V. Rumyantsev

Institute for Physics of Microstructures, Russian Academy of Sciences; Nizhny Novgorod State University

Автор, ответственный за переписку.
Email: rumyantsev@ipm.sci-nnov.ru
Россия, Nizhny Novgorod, 603950; Nizhny Novgorod, 603950

N. Kulikov

Institute for Physics of Microstructures, Russian Academy of Sciences; Nizhny Novgorod State University

Email: rumyantsev@ipm.sci-nnov.ru
Россия, Nizhny Novgorod, 603950; Nizhny Novgorod, 603950

A. Kadykov

Institute for Physics of Microstructures, Russian Academy of Sciences

Email: rumyantsev@ipm.sci-nnov.ru
Россия, Nizhny Novgorod, 603950

M. Fadeev

Institute for Physics of Microstructures, Russian Academy of Sciences

Email: rumyantsev@ipm.sci-nnov.ru
Россия, Nizhny Novgorod, 603950

A. Ikonnikov

Moscow State University

Email: rumyantsev@ipm.sci-nnov.ru
Россия, Moscow, 119991

A. Kazakov

Moscow State University

Email: rumyantsev@ipm.sci-nnov.ru
Россия, Moscow, 119991

M. Zholudev

Institute for Physics of Microstructures, Russian Academy of Sciences

Email: rumyantsev@ipm.sci-nnov.ru
Россия, Nizhny Novgorod, 603950

V. Aleshkin

Institute for Physics of Microstructures, Russian Academy of Sciences; Nizhny Novgorod State University

Email: rumyantsev@ipm.sci-nnov.ru
Россия, Nizhny Novgorod, 603950; Nizhny Novgorod, 603950

V. Utochkin

Institute for Physics of Microstructures, Russian Academy of Sciences; Nizhny Novgorod State University

Email: rumyantsev@ipm.sci-nnov.ru
Россия, Nizhny Novgorod, 603950; Nizhny Novgorod, 603950

N. Mikhailov

Institute for Semiconductor Physics, Russian Academy of Sciences, Siberian Branch; Novosibirsk State University

Email: rumyantsev@ipm.sci-nnov.ru
Россия, Novosibirsk, 630090; Novosibirsk, 630090

S. Dvoretskii

Institute for Semiconductor Physics, Russian Academy of Sciences, Siberian Branch

Email: rumyantsev@ipm.sci-nnov.ru
Россия, Novosibirsk, 630090

S. Morozov

Institute for Physics of Microstructures, Russian Academy of Sciences; Nizhny Novgorod State University

Email: rumyantsev@ipm.sci-nnov.ru
Россия, Nizhny Novgorod, 603950; Nizhny Novgorod, 603950

V. Gavrilenko

Institute for Physics of Microstructures, Russian Academy of Sciences; Nizhny Novgorod State University

Email: rumyantsev@ipm.sci-nnov.ru
Россия, Nizhny Novgorod, 603950; Nizhny Novgorod, 603950


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