Project supported by the National Basic Research Program of China(Grant Nos.2013CB933304 and 2012CB932701);the National Natural Science Foundation of China(Grant Nos.61274125 and 61435012);the Strategic Priority Research Program(B)of the Chinese Academy of Sciences(Grant No.XDB01010200)
In this study, two-section mode-locked semiconductor lasers with different numbers of quantum wells and different types of waveguide structures are made. Their ultrashort pulse features are presented. The spectral dyn...
supported by the National Basic Research Program of China(Grant No.2011CB808101);the National Natural Science Foundation of China(NSFC)(Grant Nos.61078037,11127901,11134010,and 11204328);the NSFC (No. 61178007);the External Cooperation Program of Bureau of International Cooperation, Chinese Academy of Sciences (No. 181231KYSB20130007);the National 10000-Talent Program;CAS 100-Talent Program for financial support
A passively Q-swithched mode-locked (QML) Tm:LiLuF4 (LLF) laser with a MoS2 saturable absorber (SA) is demonstrated for the first time, to our best knowledge. For the Q-switching mode, the maximum average outp...
supported by the National Natural Science Foundation of China(Grant Nos.61378028,61421002,61475030,and 61377042);the National Basic Research Program of China(Grant No.2012CB315701);the New Century Excellent Talents Program in University,China(Grant No.NCET-13-0092)
Passive harmonic mode locking of an erbium-doped fiber laser based on few-layer molybdenum disulfide(MoS2)saturable absorber(SA) is demonstrated. The few-layer MoS2 is prepared by the chemical vapor deposition(CVD) me...
supported by the National Natural Science Foundation of China (Grant Nos. 61008018 and 11421064);the National Basic Research Program of China (Grant No. 2013CBA01505)
With MoS2 as saturable absorber, passive Q-switching and Q-switched mode-locking operations of a Tm-doped calcium lithium niobium gallium garnet(Tm:CLNGG) laser were experimentally demonstrated. The Q-switched laser...
supported by the National Basic Research Program of China(Grant No.2013CB922404);the National Natural Science Foundation of China(Grant No.61177047);the Beijing Municipal Education Commission Project,China(Grant No.KM201010005007)
We present a passively Q-switched Yb:KGW laser based on a transmission-type saturable absorber of topological insulator:Bi2Se3.The saturable absorber is prepared on a 0.17-mm glass substrate and can translate intra-...
Project supported by the National Natural Science Foundation of China (Grant Nos. 60976045,60506001,60836003 and 60776047);the National Basic Research Program of China (Grant No. 2007CB936700);the National Natural Science Foundation for Distinguished Young Scholars of China (Grant No. 60925017)
This paper reports that a long delay between the beginning of pumping current pulse and the onset of optical pulse is observed in InGaN laser diodes. The delay time decreases as the pumping current increases, and the ...
Supported by the National Natural Science Foundation of China under Grant Nos 10874237 and 10704087, and the National Basic Research Program of China under Grant No 2007CB815104.
We demonstrate the first quasi-three-level passively Q-switched Nd:GGG laser at 937nm using a Nd, Cr:YAG crystal as the saturable absorber. The dependences of the average output power, the repetition rate and the pu...
Supported by the National Natural Science Foundation of China under Grant Nos 60490280, 60621063, 50572054 and 50590401, and the National Basic Research Programme of China under Grant Nos 2007CB815104 and 2004CB619002.
We demonstrate a passively a Z-folded resonator. Using device, we achieve stable cw average output power under cw mode-locked Nd:LuVO4 laser operating on the quasi-three-level at 916nm with a semiconductor saturable ...
Passively Q-switched quasi-continuous-wave (QCW) diode-pumped Nd:YAG laser with Cr^4+ :YAG as saturable absorber is numerically investigated by solving the coupled rate equations. The threshold pump rate for pass...