Project supported by the National Natural Science Foundation of China(Grant Nos.61221064,61078037,11134010,61205208,and 61521093);the Strategic Priority Research Program of the Chinese Academy of Sciences(Grant No.XDB16);the International S&T Cooperation Program of China(Grant No.2016YFE0119300)
We theoretically study the field-free molecular orientation induced by a three-color laser field. The three-color laser field with a large asymmetric degree can effectively enhance the molecular orientation. In partic...
supported by the National Basic Research Program of China(No.2011CB808101);the Chinese Academy of Science;the National Natural Science Foundation of China(Nos.11127901,10734080,61221064,60908008,and 61078037)
A mode-locked(ML)picosecond ytterbium-doped thin disk laser using a monolayer Mo S2as the saturable absorber(SA)is demonstrated.The monolayer MoS2 is fabricated through the method of low-pressure chemical vapor de...
Project supported by the National Basic Research Program of China(Grant No.2011CB808101);the Funds from the Chinese Academy of Sciences,and the National Natural Science Foundation of China(Grant Nos.11127901,10734080,61221064,60908008,and 61078037)
We theoretically study the nonlinear compression of a 20-rnJ, 1030-nm picosecond chirped pulse from the thin-disk amplifier in a krypton gas-filled hollow-core fiber. The chirp from the thin-disk amplifier system has ...
Project supported by the National Natural Science Foundation of China(Grant Nos.11204328,61221064,61078037,11127901,11134010,and 61205208);the National Basic Research Program of China(Grant No.2011CB808101);the Natural Science Foundation of Shanghai,China(Grant No.13ZR1414800)
We numerically study the pulse compression approaches based on atomic or molecular gases in a hollow-core fiber.From the perspective of self-phase modulation(SPM), we give the extensive study of the SPM influence on...
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...
Project supported by the National Natural Science Foundation of China(Grant Nos.11204328,61221064,61078037,11127901,and 11134010);the National Basic Research Program of China(Grant No.2011CB808101);the Commission of Science and Technology of Shanghai,China(Grant No.12dz1100700);the Natural Science Foundation of Shanghai,China(Grant No.13ZR1414800);the International Science and Technology Cooperation Program of China(Grant No.2011DFA11300)
We theoretically study the nonlinear compression of picosecond pulses with 10-m J of input energy at the 1053-nm center wavelength by using a one-meter-long gas-filled hollow-core fiber(HCF) compressor and consideri...
Project supported by the National Natural Science Foundation of China(Grant Nos.61221064,61078037,11127901,and 11134010);the National Basic Research Program of China(Grant No.2011CB808101);the Funds from the Commission of Science and Technology of Shanghai,China(Grant No.12dz1100700);the Natural Science Foundation of Shanghai,China(Grant No.13ZR1414800);the International S&T Cooperation Program of China(Grant No.2011DFA11300)
We study theoretically the spectral intensity evolutions of the femtosecond Gaussian and parabolic pulses with different initial pulse energies and compare the nonlinear compressions of these pulses based on a meter-l...
partially supported by the National Basic Research Program of China (Grant No. 2011CB808101);the National Natural Science Foundation of China (NSFC) (Grant Nos. 61221064, 61078037, 11127901, 11134010);the International S&T Cooperation Program of China (Grant No. 2011DFA11300)
We develop a splicing technology of Ti:sapphire crystals for a high-energy chirped pulse amplifier laser system that can suppress the parasitic lasing to improve the amplification efficiency compared to a large-size s...
supported by the National Natural Science Foundation of China (Nos. 10734080, 60921004,60908008, and 61078037);the National Basic Research Program of China (No. 2011CB808101)
We build a frequency resolved optical gating (FROG) setup based on the second harmonic generation (SHG) FROG to characterize the mid-infrared (MIR) few-cycle laser pulse in single shot basis. Considering the ext...