Terahertz quantum cascade laser with non-resonant extraction

Terahertz quantum cascade laser with non-resonant extraction

In order to improve the maximum operating temperature of THz quantum cascade lasers (QCLs) we propose to modify the three well resonant phonon design by increasing the energy of the separation between the bottom transition levels and the ground states, which is usually adjusted to the LO-phonon ener...

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Main Authors: A. N. Baranov, H. Nguyen-Van, Z. Loghmari, M. Bahriz, R. Teissier
Format: Article
Language:English
Published: AIP Publishing LLC 2019-05-01
Series:AIP Advances
Online Access:http://dx.doi.org/10.1063/1.5092855
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spelling doaj-e0f6bd75e7994611848d535363576a682020-11-24T21:33:05ZengAIP Publishing LLCAIP Advances2158-32262019-05-0195055214055214-510.1063/1.5092855046905ADVTerahertz quantum cascade laser with non-resonant extractionA. N. Baranov0H. Nguyen-Van1Z. Loghmari2M. Bahriz3R. Teissier4IES, Univ. Montpellier, CNRS, Montpellier, FranceIES, Univ. Montpellier, CNRS, Montpellier, FranceIES, Univ. Montpellier, CNRS, Montpellier, FranceIES, Univ. Montpellier, CNRS, Montpellier, FranceIES, Univ. Montpellier, CNRS, Montpellier, FranceIn order to improve the maximum operating temperature of THz quantum cascade lasers (QCLs) we propose to modify the three well resonant phonon design by increasing the energy of the separation between the bottom transition levels and the ground states, which is usually adjusted to the LO-phonon energy in GaAs. The fabricated devices based on this design with non-resonant depopulation of the bottom transition level operated in pulsed mode up to 190K, which is the best-reported performance for THz QCLs with Al0.15Ga0.85As barriers based on an Au-Au double-metal waveguide. The performed analysis showed that the achieved improvement could be explained by the proposed design modification.http://dx.doi.org/10.1063/1.5092855
collection DOAJ
language English
format Article
sources DOAJ
author A. N. Baranov
H. Nguyen-Van
Z. Loghmari
M. Bahriz
R. Teissier
spellingShingle A. N. Baranov
H. Nguyen-Van
Z. Loghmari
M. Bahriz
R. Teissier
Terahertz quantum cascade laser with non-resonant extraction
AIP Advances
author_facet A. N. Baranov
H. Nguyen-Van
Z. Loghmari
M. Bahriz
R. Teissier
author_sort A. N. Baranov
title Terahertz quantum cascade laser with non-resonant extraction
title_short Terahertz quantum cascade laser with non-resonant extraction
title_full Terahertz quantum cascade laser with non-resonant extraction
title_fullStr Terahertz quantum cascade laser with non-resonant extraction
title_full_unstemmed Terahertz quantum cascade laser with non-resonant extraction
title_sort terahertz quantum cascade laser with non-resonant extraction
publisher AIP Publishing LLC
series AIP Advances
issn 2158-3226
publishDate 2019-05-01
description In order to improve the maximum operating temperature of THz quantum cascade lasers (QCLs) we propose to modify the three well resonant phonon design by increasing the energy of the separation between the bottom transition levels and the ground states, which is usually adjusted to the LO-phonon energy in GaAs. The fabricated devices based on this design with non-resonant depopulation of the bottom transition level operated in pulsed mode up to 190K, which is the best-reported performance for THz QCLs with Al0.15Ga0.85As barriers based on an Au-Au double-metal waveguide. The performed analysis showed that the achieved improvement could be explained by the proposed design modification.
url http://dx.doi.org/10.1063/1.5092855
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AT hnguyenvan terahertzquantumcascadelaserwithnonresonantextraction
AT zloghmari terahertzquantumcascadelaserwithnonresonantextraction
AT mbahriz terahertzquantumcascadelaserwithnonresonantextraction
AT rteissier terahertzquantumcascadelaserwithnonresonantextraction
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