High-power quantum cascade lasers for 8 μm spectral range

被引：0

作者：

Dudelev, V. V. ^{[1
]}

Cherotchenko, E. D. ^{[1
]}

Vrubel, I. I. ^{[1
]}

Mikhailov, D. A. ^{[1
]}

Chistyakov, D., V ^{[1
]}

Mylnikov, V. Yu ^{[1
]}

Losev, S. N. ^{[1
]}

Kognovitskaya, E. A. ^{[1
]}

Lutetskiy, A., V ^{[1
]}

Slipchenko, S. O. ^{[1
]}

Gladyshev, A. G. ^{[2
]}

Podgaetskiy, K. A. ^{[3
]}

Babichev, A., V ^{[4
]}

Papylev, D. S. ^{[4
]}

Andreev, A. Yu ^{[3
]}

Yarotskaya, I., V ^{[3
]}

Ladugin, M. A. ^{[3
]}

Marmalyuk, A. A. ^{[3
]}

Novikov, I. I. ^{[2
,4
]}

Kuchinskii, V., I ^{[1
]}

Karachinsky, L. Ya ^{[2
,4
]}

Pikhtin, N. A. ^{[1
]}

Egorov, A. Yu ^{[2
]}

Sokolovskii, G. S. ^{[1
]}

机构：

[1] Ioffe Inst, 26 Polytekhn Skaya Str, St Petersburg 194021, Russia

[2] Connector Opt LLC, 16 Lit B Domostroitelnaya Str, St Petersburg 194292, Russia

[3] MF Stelmakh POLYUS Res & Dev Inst, 3 Vvedenskogo Str, Moscow 117342, Russia

[4] ITMO Univ, 49 Bldg A Kronverksky Pr, St Petersburg 197101, Russia

来源：

SEMICONDUCTOR LASERS AND LASER DYNAMICS XI | 2024年 / 13002卷

基金：

俄罗斯科学基金会;

关键词：

quantum-cascade laser; high-power; lattice-matched; strain-balanced designs;

D O I：

10.1117/12.3022397

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We present a study of high-power quantum-cascade lasers (QCL) for 8 mu m spectral range with active regions of lattice-matched to InP substrate and strain-balanced designs. The use of the strained quantum well/barrier pairs made it possible to increase the energy barrier between the upper laser level and continuum by similar to 200 meV. Our experiments show that utilization of the strain-balanced design of the active region makes it possible to more than double the characteristic temperature T-0 to 253 K from 125 K for the lattice-matched design. In pulsed mode, QCLs with strain-balanced active region demonstrated high efficiency of 12% and high output optical power of 21 W (over 10 W per facet). This is the highest value of the optical power demonstrated to date in 8 mu m spectral region to the best of our knowledge.

引用

页数：4

共 18 条

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