Quantum dot lasers with controllable spectral and modal characteristics

被引：8

作者：

Zhukov, A. E. ^{[1
,2
,3
]}

Maximov, M. V. ^{[1
,2
]}

Gordeev, N. Yu ^{[1
,2
]}

Savelyev, A. V. ^{[1
,3
]}

Livshits, D. A. ^{[4
]}

Kovsh, A. R. ^{[4
]}

机构：

[1] St Petersburg Acad Univ, Russian Acad Sci, Nanotechnol Res & Educ Ctr, St Petersburg 194021, Russia

[2] Russian Acad Sci, AF Ioffe Phys Tech Inst, St Petersburg 194021, Russia

[3] St Petersburg State Polytech Univ, St Petersburg 195251, Russia

[4] Innolume GmbH, D-44263 Dortmund, Germany

来源：

SEMICONDUCTOR SCIENCE AND TECHNOLOGY | 2011年 / 26卷 / 01期

基金：

俄罗斯基础研究基金会;

关键词：

ROOM-TEMPERATURE; INJECTION-LASERS; OPTICAL GAIN; WAVE-GUIDE; HIGH-SPEED; EMISSION; POWER; HETEROSTRUCTURES; WAVELENGTH;

D O I：

10.1088/0268-1242/26/1/014004

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：

Simple analytical expressions for the shape and width of the multi-frequency lasing spectra of quantum dot lasers are derived by using a parabolic approximation of the gain spectrum. A giant nonlinear gain coefficient of 2.5 x 10(-15) cm(3) was estimated from the experimental dependence of the lasing spectrum width on the output power. A monolithic diffraction optical filter was used to suppress lasing of higher-order transverse modes in a quantum dot laser with a relatively broad ridge waveguide. Stable lasing on a fundamental transverse mode is observed with the maximum continuous wave (CW) single-spatial-mode power of 700 mW.

引用

页数：7

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