Title :
PbS quantum-dot-doped glass for efficient passive mode locking in a CW Yb : KYW laser
Author :
Lagatsky, A.A. ; Malyarevich, A.M. ; Savitski, V.G. ; Gaponenko, M.S. ; Yumashev, K.V. ; Zhilin, A.A. ; Brown, C.T.A. ; Sibbett, W.
Author_Institution :
Sch. of Phys. & Astron., Univ. of St. Andrews, UK
Abstract :
Efficient passive mode locking of a diode-pumped Yb/sup 3+/ : KY(WO4)2 laser using a PbS quantum-dot-doped saturable absorber is described. Pulses of 2.6 ps at around 1 μm were generated at a pulse repetition frequency of 99 MHz with an average output power of 250 mW. A saturation fluence of 15μJ/cm2 and a fast temporal decay of 6 ps were measured in this quantum-dot-doped glass.
Keywords :
IV-VI semiconductors; laser mode locking; lead compounds; optical glass; optical pulse generation; optical pumping; optical saturable absorption; potassium compounds; semiconductor quantum dots; solid lasers; ytterbium; yttrium compounds; 1 mum; 2.6 ps; 250 mW; 6 ps; 99 MHz; KY(WO/sub 4/)/sub 2/:Yb; PbS quantum-dot-doped glass; SiO/sub 2/:PbS; Yb:KYW laser; continuous-wave laser; diode-pumped laser; fast temporal decay; optical pulse generation; passive mode locking; saturable absorber; saturation fluence; Absorption; Costs; Glass; Laser mode locking; Laser theory; Optical pulses; Power generation; Pump lasers; Semiconductor diodes; Solid lasers; Diode-pumped laser; mode locking; saturable absorber; ultrashort pulses;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2005.861302
