Study of the Spectra of Arched-Cavity Quantum-Cascade Lasers

被引：0

作者：

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

Pashnev, D. A. ^{[2
,3
]}

Denisov, D., V ^{[4
]}

Gladyshev, A. G. ^{[5
]}

Bobretsova, Yu K. ^{[1
]}

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

Karachinsky, L. Ya ^{[1
,5
,6
]}

Novikov, I. I. ^{[1
,5
,6
]}

Firsov, D. A. ^{[2
]}

Vorobjev, L. E. ^{[2
]}

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

Egorov, A. Yu ^{[5
]}

机构：

[1] Ioffe Inst, St Petersburg 194021, Russia

[2] Peter Great St Petersburg Polytech Univ, St Petersburg 195251, Russia

[3] Ctr Phys Sci & Technol, LT-10257 Vilnius, Lithuania

[4] St Petersburg Electrotech Univ LETI, St Petersburg 197376, Russia

[5] ITMO Univ, St Petersburg 197101, Russia

[6] Connector Opt LLC, St Petersburg 197101, Russia

来源：

OPTICS AND SPECTROSCOPY | 2020年 / 128卷 / 06期

基金：

俄罗斯基础研究基金会;

关键词：

quantum-cascade lasers; epitaxy; indium phosphide; single-mode lasing; WAVELENGTH; HETEROSTRUCTURES; EMISSION; RING; BAND;

D O I：

10.1134/S0030400X20060028

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The temperature characteristics of arched-cavity quantum-cascade lasers with different geometrical dimensions emitting in the spectral range of 7-8 mu m are studied. The laser heterostructure was grown by molecular-beam epitaxy. The active region consisted of 50 cascades based on a heteropair of In0.53Ga0.47As/Al0.48In0.52As solid alloys. Single-mode lasing is demonstrated for lasers with the semicircular cavity segment 100 mu m in diameter and the linear segment 1 mm long. The maximum side-mode suppression ratio at a temperature of 290 K was 26 dB, and the emission wavelength was 7.73 mu m.

引用

页码：702 / 706

页数：5

共 15 条

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