SMALL-SIGNAL MODULATION AND DIFFERENTIAL GAIN OF SINGLE-MODE SELF-ORGANIZED IN0.4GA0.6AS GAAS QUANTUM-DOT LASERS/

Authors
KAMATH K PHILLIPS J JIANG H SINGH J BHATTACHARYA P
Citation
K. Kamath et al., SMALL-SIGNAL MODULATION AND DIFFERENTIAL GAIN OF SINGLE-MODE SELF-ORGANIZED IN0.4GA0.6AS GAAS QUANTUM-DOT LASERS/, Applied physics letters, 70(22), 1997, pp. 2952-2953
Citations number
15
Categorie Soggetti
Physics, Applied
Journal title
Applied physics letters → ACNP
ISSN journal
00036951
Volume
70
Issue
22
Year of publication
1997
Pages
2952 - 2953
Database
ISI
SICI code
0003-6951(1997)70:22<2952:SMADGO>2.0.ZU;2-V
Abstract
We report small-signal modulation bandwidth and differential gain meas urements of a single-layer self-organized In-0.4,Ga0.6As/GaAs quantum dot laser grown by molecular beam epitaxy. The 3 dB bandwidth of singl e-mode ridge waveguide lasers was measured to be 7.5 GHz at 100 mA und er pulsed measurements, demonstrating the possibility of high speed op eration of these devices. The differential gain was measured to be 1.7 x10(14) cm(2). (C) 1997 American Institute of Physics.