Title :
Gain Dynamics after Ultrashort Pulse Trains in Quantum Dot based Semiconductor Optical Amplifiers
Author :
Dommers, S. ; Temnov, V.V. ; Woggon, U. ; Gomis, J. ; Martinez-Pastor, J. ; Laemmlin, M. ; Bimberg, D.
Author_Institution :
Univ. Dortmund, Dortmund
Abstract :
We study the gain dynamics in QD-based SOAs after excitation with fs-pulse trains of up to THz repetition rates. A complete ground-state gain recovery is found for 200 GHz repetition rates and injection currents around 90 mA.
Keywords :
high-speed optical techniques; quantum dot lasers; semiconductor optical amplifiers; semiconductor quantum dots; THz repetition rate; frequency 200 GHz; gain dynamics; ground-state gain recovery; injection current; quantum dot; semiconductor optical amplifier; ultrashort pulse train; Optical interferometry; Optical mixing; Optical pulses; Optical pumping; Pulse amplifiers; Quantum dots; Resonance; Semiconductor optical amplifiers; Stimulated emission; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics, 2007. CLEO 2007. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/CLEO.2007.4452594
