Title :
Fast quantum-dot saturable absorber for passive mode-locking of solid-State lasers
Author :
Rafailov, E.U. ; White, S.J. ; Lagatsky, A.A. ; Miller, A. ; Sibbett, W. ; Livshits, D.A. ; Zhukov, A.E. ; Ustinov, V.M.
Author_Institution :
Sch. of Phys. & Astron., Univ. of St. Andrews, UK
Abstract :
We demonstrate stable mode-locking in a Yb : KYW laser by using a quantum-dot (QD) saturable absorber. A fast component in the absorption decay in this QD structure has been measured by pump-probe technique to be ∼1 ps.
Keywords :
high-speed optical techniques; laser mode locking; optical saturable absorption; solid lasers; ytterbium; 1 ps; KY(WO4)2:Yb; Yb:KYW laser; absorption decay; fast saturable absorber; femtosecond pulse; passive mode-locking; pump-probe technique; quantum-dot saturable absorber; solid-state lasers; stable mode-locking; ultrafast recovery time; Absorption; Distributed Bragg reflectors; Fiber lasers; Gallium arsenide; Laser mode locking; Optical pulses; Pump lasers; Quantum dot lasers; Quantum dots; Solid lasers;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2004.835648
