Title :
Modeling of InAsGaAs QD-SOAs for amplification of ultra-short high power pulses
Author :
Gioannini, Mariangela ; Rossetti, Mattia ; Montrosset, Ivo ; Drzewietzki, Lukas ; Grozman, Grigori ; Elsaser, Wolfgang ; Krestnikov, Igor
Author_Institution :
Dipt. di Elettron., Politec. di Torino, Torino, Italy
Abstract :
We present a model for the propagation of very short (hundreds of femtoseconds) high power pulses in QD-SOAs. We analyze the gain and refractive index dynamics after the pulse propagation and we determine how the electron and hole dynamics contribute to the recovery of the gain.
Keywords :
III-V semiconductors; gallium arsenide; high-speed optical techniques; indium compounds; refractive index; semiconductor optical amplifiers; semiconductor quantum dots; InAs-GaAs; QD-SOA; electron dynamics; femtosecond high power pulses; hole dynamics; pulse propagation; refractive index dynamics; ultra-short high power pulses; Charge carrier processes; Equations; Gain; Laser mode locking; Mathematical model; Quantum dot lasers; Semiconductor optical amplifiers;
Conference_Titel :
Numerical Simulation of Optoelectronic Devices (NUSOD), 2011 11th International Conference on
Conference_Location :
Rome
Print_ISBN :
978-1-61284-876-1
Electronic_ISBN :
2158-3234
DOI :
10.1109/NUSOD.2011.6041200
