Title :
Amplification of femtosecond pulses over by 18 dB in a quantum-dot semiconductor optical amplifier
Author :
Rafailov, E.U. ; Loza-Alvarez, P. ; Sibbett, W. ; Sokolovskii, G.S. ; Livshits, D.A. ; Zhukov, A.E. ; Ustinov, V.M.
Author_Institution :
Sch. of Phys. & Astron., Univ. of St. Andrews, UK
Abstract :
We demonstrate amplification (> 18 dB) of 200-fs pulses in a quantum-dot (QD) semiconductor amplifier. Our measurements have shown that such QD devices can provide amplification of femtosecond pulses over a spectral range that exceeds 100 nm.
Keywords :
high-speed optical techniques; optical communication equipment; optical parametric oscillators; optical pumping; quantum dot lasers; semiconductor optical amplifiers; 200 fs; InAs; InGaAs; Kerr-lens mode-locked Ti:sapphire laser; data communication applications; femtosecond pulses; optical parametric oscillator; quantum-dot semiconductor optical amplifier; spectral range; Gallium arsenide; Molecular beam epitaxial growth; Optical pulses; Pulse amplifiers; Pulse measurements; Pulsed laser deposition; Quantum dots; Semiconductor optical amplifiers; Stimulated emission; Ultrafast optics;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2003.815362
