Title :
Ultrafast dynamics of sub-threshold modes in vertical-cavity surface-emitting lasers
Author :
Zhang, Botao ; Heberle, Albert P.
Author_Institution :
University of Pittsburgh, Dept. of Physics & Astronomy, 100 Allen Hall, 3941 O¿Hara St, PA 15260, U. S. A.
Abstract :
We investigate sub-threshold modes in single-mode vertical-cavity surface-emitting lasers (VCSEL¿s). These modes produce beating in the emission of VCSEL¿s after femtosecond optical pulse injection. The results provide information on the stability of the single-mode regime.
Keywords :
Frequency; Laser excitation; Laser modes; Laser stability; Optical pulses; Polarization; Semiconductor lasers; Surface emitting lasers; Ultrafast optics; Vertical cavity surface emitting lasers;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2007. QELS '07
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/QELS.2007.4431125
