Title :
Ultrafast gain and index dynamics in an InAs/InGaAsP quantum dot amplifier operating at 1.55 μm
Author :
Zilkie, A.J. ; Meier, J. ; Smith, P.W.E. ; Mojahedi, M. ; Aitchison, J.S. ; Poole, P.J. ; Ni, C. ; Barrios, P. ; Poitras, D.
Author_Institution :
Edward S. Rodgers Dept. of Electr. & Comput. Eng., Univ. of Toronto, Toronto, ON
Abstract :
The gain and index dynamics of a QD amplifier operating at 1.55 mum are characterized via heterodyne pump-probe measurements with 150 fs resolution. A 13 ps gain recovery time was found, promising for all-optical signal processing.
Keywords :
III-V semiconductors; gallium arsenide; gallium compounds; high-speed optical techniques; indium compounds; infrared sources; optical information processing; quantum dot lasers; semiconductor optical amplifiers; InAs-InGaAsP; all-optical signal processing; gain recovery; heterodyne pump-probe measurements; index dynamics; quantum dot amplifier; time 13 ps; ultrafast gain dynamics; wavelength 1.55 mum; Absorption; Gain measurement; Nonlinear optical devices; Optical amplifiers; Optical signal processing; Pump lasers; Quantum dot lasers; Quantum dots; Semiconductor optical amplifiers; Wavelength measurement; (070.4340) Nonlinear optical signal processing; (230.4320) Nonlinear optical devices; (250.5980) Semiconductor optical amplifiers; (320.7130) Ultrafast processes in condensed matter, including semiconductors; (999.9999) Quantum dot semiconductor amplifiers;
Conference_Titel :
Lasers and Electro-Optics, 2006 and 2006 Quantum Electronics and Laser Science Conference. CLEO/QELS 2006. Conference on
Conference_Location :
Long Beach, CA
Print_ISBN :
978-1-55752-813-1
Electronic_ISBN :
978-1-55752-813-1
DOI :
10.1109/CLEO.2006.4627785
