Title :
Prospects of multi-GHz femtosecond operation of a diode-pumped Cr4+:YAG laser
Author :
Kalashnikov, V.L. ; Sorokin, E. ; Sorokina, I.T. ; Rubtsova, N.N. ; Kovalyov, A.A.
Author_Institution :
Inst. fur Photonik, Vienna, Austria
Abstract :
In this paper we investigate the possibility of the stable CW mode locking of a Cr:YAG microchip laser with the InGaAs/lnP quantum-well SESAM. The integrated design does not leave many control parameters and our analysis is aimed at optimization of the SESAM´s relaxation kinetics, using the numerical model. We analyze the complete temporal dynamics of the two-element micro-chip oscillator with 0.5 cm cavity, 1% output coupler and 100 μm beam radius. It was found that, in contrast to the oscillators with ∼100 MHz pulse repetition rate, the presence of the slow loss relaxation component is necessary for the pulse stabilization.
Keywords :
III-V semiconductors; chromium; gallium arsenide; indium compounds; integrated circuit design; laser mode locking; microchip lasers; optical pumping; optical saturable absorption; 0.5 cm; Cr:YAG microchip laser; InGaAs-InP; InGaAs/lnP quantum-well SESAM; YAG:Cr; YAl5O12:Cr; diode-pumped laser; integrated design; pulse repetition rate; pulse stabilization; relaxation kinetics; slow loss relaxation component; stable CW mode locking; temporal dynamics; two-element micro-chip oscillator; Chromium; Design optimization; Diodes; Indium gallium arsenide; Kinetic theory; Laser mode locking; Laser stability; Microchip lasers; Oscillators; Quantum well lasers;
Conference_Titel :
Lasers and Electro-Optics Europe, 2005. CLEO/Europe. 2005 Conference on
Print_ISBN :
0-7803-8974-3
DOI :
10.1109/CLEOE.2005.1567810
