DocumentCode :
1534735
Title :
High Power Continuous-Wave Operation and Dynamics of Soliton Mode-Locked 
Lasers at Room Temperature
Author :
Ge, Wenqi ; Chai, Lu ; Yan, Jie ; Hu, Minglie ; Wang, Chingyue ; Su, Liangbi ; Li, Hongjun ; Zheng, Lihe ; Xu, Jun
Author_Institution :
Ultrafast Laser Lab., Tianjin Univ., Tianjin, China
Volume :
47
Issue :
7
fYear :
2011
fDate :
7/1/2011 12:00:00 AM
Firstpage :
977
Lastpage :
983
Abstract :
We report high power continuous-wave (CW) and passively mode-locked lasers with Yb,Na:CaF2 crystal as gain material. A maximum CW output power of 14.5 W was achieved at the absorbed pump power of 22.8 W, corresponding to the slope efficiency of 63.6%. Furthermore, by using a semiconductor saturable absorber mirror, the CW mode-locking operation was achieved. A shortest duration of 175 fs with the average power of 352 mW, and a highest average power of 510 mW with duration of 190 fs were obtained. The dynamics of soliton mode-locking in the laser concerned with the absorbed pump power and the intra-cavity negative group delay dispersion were experimentally investigated.
Keywords :
calcium compounds; laser cavity resonators; laser mirrors; laser mode locking; optical saturable absorption; optical solitons; sodium; solid lasers; ytterbium; CaF2:Yb,Na; high power continuous wave operation; intracavity negative group delay dispersion; power 14.5 W; power 22.8 W; power 510 mW; semiconductor saturable absorber mirror; soliton mode locked lasers; temperature 293 K to 298 K; time 175 fs; time 190 fs; Crystals; Laser excitation; Laser mode locking; Measurement by laser beam; Power generation; Power lasers; Pump lasers; ${rm Yb,Na}{:}{rm CaF}_{2}$
fLanguage :
English
Journal_Title :
Quantum Electronics, IEEE Journal of
Publisher :
ieee
ISSN :
0018-9197
Type :
jour
DOI :
10.1109/JQE.2011.2147759
Filename :
5784379
Link To Document :
