Title :
Giant linewidth enhancement factor and purely frequency modulated emission from quantum dot laser
Author :
Dagens, B. ; Markus, A. ; Chen, J.X. ; Provost, J.-G. ; Make, D. ; Gouezigou, O. Le ; Landreau, J. ; Fiore, A. ; Thedrez, B.
Author_Institution :
Alcatel-Thales 111-V Lab., Marcoussis, France
fDate :
3/17/2005 12:00:00 AM
Abstract :
Giant effective linewidth enhancement factors, close to 60, are measured on a quantum dot laser under specific biasing conditions. Consequently, 2.5 Gbit/s purely frequency modulated signal is obtained by direct current modulation at this operation point.
Keywords :
electro-optical modulation; frequency modulation; quantum dot lasers; spectral line breadth; 2.5 Gbit/s; biasing conditions; direct current modulation; giant linewidth enhancement factor; operation point; purely frequency modulated emission; purely frequency modulated signal; quantum dot laser;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20057956
