High Temperature Laser Generation of Quantum-Cascade Lasers in the Spectral Region of 8 m

被引：5

作者：

Dudelev, V. V. ^{[1
,2
]}

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

Mylnikov, V. Yu. ^{[1
]}

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

Kognovitskaya, E. A. ^{[3
]}

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

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

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

Gladyshev, A. G. ^{[4
]}

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

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

Egorov, A. Yu. ^{[2
]}

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

Sokolovskii, G. S. ^{[1
,2
]}

机构：

[1] Ioffe Inst, St Petersburg 194021, Russia

[2] ITMO Univ, St Petersburg 197101, Russia

[3] St Petersburg Electrotech Univ LETI, St Petersburg 197022, Russia

[4] Connector Opt LLC, St Petersburg 194292, Russia

来源：

PHYSICS OF THE SOLID STATE | 2018年 / 60卷 / 11期

关键词：

POWER;

D O I：

10.1134/S1063783418110057

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

In this paper, we present studies of the characteristics of quantum-cascade lasers with a generation wavelength in the region of 8 m at high temperatures of up to + 65 degrees C. The characteristic temperatures of the temperature dependences of the threshold current and the differential efficiency are determined. Spectral studies showed the presence of two generation lines with a short wavelength of similar to 7800 nm and a long-wave wavelength of similar to 8100 nm. The observed competition between the short-wave and long-wave generation lines leads to a nonmonotonic character of the dependence of the radiation intensity on the pump current.

引用

页码：2291 / 2294

页数：4

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