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

V. V. Rumyantsev; N. S. Kulikov; A. M. Kadykov; M. A. Fadeev; A. V. Ikonnikov; A. S. Kazakov; M. S. Zholudev; V. Ya. Aleshkin; V. V. Utochkin; N. N. Mikhailov; S. A. Dvoretskii; S. V. Morozov; V. I. Gavrilenko

doi:10.1134/S1063782618110234

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

Authors: Rumyantsev V.V.¹^,2, Kulikov N.S.¹^,2, Kadykov A.M.¹, Fadeev M.A.¹, Ikonnikov A.V.³, Kazakov A.S.³, Zholudev M.S.¹, Aleshkin V.Y.¹^,2, Utochkin V.V.¹^,2, Mikhailov N.N.⁴^,5, Dvoretskii S.A.⁴, Morozov S.V.¹^,2, Gavrilenko V.I.¹^,2
Affiliations:
1. Institute for Physics of Microstructures, Russian Academy of Sciences
2. Nizhny Novgorod State University
3. Moscow State University
4. Institute for Semiconductor Physics, Russian Academy of Sciences, Siberian Branch
5. Novosibirsk State University
Issue: Vol 52, No 11 (2018)
Pages: 1375-1379
Section: Xxii International Symposium “Nanophysics and Nanoelectronics”, Nizhny Novgorod, March 12–15, 2018
URL: https://journals.rcsi.science/1063-7826/article/view/204248
DOI: https://doi.org/10.1134/S1063782618110234
ID: 204248

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Abstract

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.

Keywords

Stimulated Emission (SE), Quantum Wells (QWs), Quantum Cascade Lasers, Structure Growth Axis, Shockley Read Hall Recombination Centers

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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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