Magnetooptical Studies and Stimulated Emission in Narrow Gap HgTe/CdHgTe Structures in the Very Long Wavelength Infrared Range


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We investigate the prospects of HgTe/HgCdTe quantum wells for long-wavelength interband lasers (λ = 15–30 μm). The properties of stimulated emission (SE) and magnetoabsorbtion data of QWs structures with wide-gap HgCdTe dielectric waveguide provide an insight on dominating non-radiative carrier recombination mechanism. It is shown that the carrier heating under intense optical pumping is the main factor limiting the SE wavelength and intensity, since the Auger recombination is greatly enhanced when carriers populate high energy states in the valence band.

Sobre autores

V. Rumyantsev

Institute for Physics of Microstructures of Russian Academy of Science; Lobachevsky State University of Nizhny Novgorod

Autor responsável pela correspondência
Email: rumyantsev@ipmras.ru
Rússia, Nizhny Novgorod, 603950; Nizhny Novgorod, 603950

L. Bovkun

Institute for Physics of Microstructures of Russian Academy of Science; Laboratoire National des Champs Magnétiques Intenses

Email: rumyantsev@ipmras.ru
Rússia, Nizhny Novgorod, 603950; Grenoble, 38042

A. Kadykov

Institute for Physics of Microstructures of Russian Academy of Science; UMR CNRS 5221, GIS-TERALAB

Email: rumyantsev@ipmras.ru
Rússia, Nizhny Novgorod, 603950; Montpellier, 34095

M. Fadeev

Institute for Physics of Microstructures of Russian Academy of Science

Email: rumyantsev@ipmras.ru
Rússia, Nizhny Novgorod, 603950

A. Dubinov

Institute for Physics of Microstructures of Russian Academy of Science; Lobachevsky State University of Nizhny Novgorod

Email: rumyantsev@ipmras.ru
Rússia, Nizhny Novgorod, 603950; Nizhny Novgorod, 603950

V. Aleshkin

Institute for Physics of Microstructures of Russian Academy of Science; Lobachevsky State University of Nizhny Novgorod

Email: rumyantsev@ipmras.ru
Rússia, Nizhny Novgorod, 603950; Nizhny Novgorod, 603950

N. Mikhailov

A. V. Rzhanov Institute of Semiconductor Physics; Novosibirsk State University

Email: rumyantsev@ipmras.ru
Rússia, Novosibirsk, 630090; Novosibirsk, 630090

S. Dvoretsky

A. V. Rzhanov Institute of Semiconductor Physics

Email: rumyantsev@ipmras.ru
Rússia, Novosibirsk, 630090

B. Piot

Laboratoire National des Champs Magnétiques Intenses

Email: rumyantsev@ipmras.ru
França, Grenoble, 38042

M. Orlita

Laboratoire National des Champs Magnétiques Intenses; Institute of Physics

Email: rumyantsev@ipmras.ru
França, Grenoble, 38042; Prague, 12116

M. Potemski

Laboratoire National des Champs Magnétiques Intenses

Email: rumyantsev@ipmras.ru
França, Grenoble, 38042

F. Teppe

UMR CNRS 5221, GIS-TERALAB

Email: rumyantsev@ipmras.ru
França, Montpellier, 34095

S. Morozov

Institute for Physics of Microstructures of Russian Academy of Science; Lobachevsky State University of Nizhny Novgorod

Email: rumyantsev@ipmras.ru
Rússia, Nizhny Novgorod, 603950; Nizhny Novgorod, 603950

V. Gavrilenko

Institute for Physics of Microstructures of Russian Academy of Science; Lobachevsky State University of Nizhny Novgorod

Email: rumyantsev@ipmras.ru
Rússia, Nizhny Novgorod, 603950; Nizhny Novgorod, 603950

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