410 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Shanghai Institute of Optics and Fine MechanicsCN89 papers
- Chinese Academy of SciencesCN87 papers
- University of Chinese Academy of SciencesCN33 papers
- East China Normal UniversityCN15 papers
- Shanghai Normal UniversityCN11 papers
- Shanghai Jiao Tong UniversityCN10 papers
- Shanxi UniversityCN10 papers
- Heinrich Heine University DüsseldorfDE9 papers
- ShanghaiTech UniversityCN9 papers
- Jilin UniversityCN7 papers
- State Key Laboratory on Integrated OptoelectronicsCN7 papers
- Peking UniversityCN6 papers
42 papers · 1 filter
A multistep pulse compressor for 10s to 100s PW lasers
Jun Liu, Xiong Shen, Shuman Du +1
High-energy tens (10s) to hundreds (100s) petawatt (PW) lasers are key tools for exploring frontier fundamental researches such as strong-field quantum electrodynamics (QED), and t…
Polygon Coherent Modes in aWeakly Perturbed Whispering Gallery Microresonator for Efficient Second Harmonic, Optomechanic and Frequency Comb Generations
Zhiwei Fang, Sanaul Haque, Farajollahi Saeed +8
We observe high optical quality factor (Q) polygonal and star coherent optical modes in a lithium niobate microdisk. In contrast to the previous polygon modes achieved by deformed…
Efficient light coupling between an ultra-low loss lithium niobate waveguide and an adiabatically tapered single mode optical fiber
Ni Yao, Junxia Zhou, Renhong Gao +5
A lithium niobate on insulator ridge waveguide allows constructing high-density photonic integrated circuits thanks to its small bending radius offered by the high index contrast.…
Extreme nonlinear Raman interaction of an ultrashort nitrogen ion laser with an impulsively excited molecular wavepacket
Zhaoxiang Liu, Jinping Yao, Haisu Zhang +8
We report generation of cascaded rotational Raman scattering up to 58th orders in coherently excited CO_2 molecules. The high-order Raman scattering, which produces a quasiperiodic…
Efficient Electro-optical Tuning of Optical Frequency Microcomb on a Monolithically Integrated High-Q Lithium Niobate Microdisk
Zhiwei Fang, Haipeng Luo, Jintian Lin +7
We demonstrate efficient tuning of a monolithically integrated lithium niobate microdisk (LN) optical frequency microcomb. Utilizing the high optical quality (Q) factor (i.e., Q~7.…
Polarization-insensitive space-selective etching in fused silica induced by picosecond laser irradiation
Xiaolong Li, Jian Xu, Zijie Lin +7
It is well known that when the fused silica is irradiated with focused femtosecond laser beams, space selective chemical etching can be achieved. The etching rate depends sensitive…
A photonic crystal-based broadband graphene saturable absorber
Caoran Shen, Saifeng Zhang, Ivan M. Kislyakov +6
The enhanced nonlinear optical response of a one-dimensional (1D) photonic crystal (PC) made from polymers and graphene composites is observed. The graphene PC was fabricated by sp…
Stimulated Brillouin scattering in dispersed graphene
Ivan M. Kislyakov, Jean-Michel Nunzi, Xiaoyan Zhang +3
We address the problem of the interaction of powerful laser radiation with a transparent substance containing a low concentration of strongly absorbing nanoparticles under the cond…
Aberration-free three dimensional micromachining in glass with spatiotemporally shaped femtosecond laser pulses
Peng Wang, Wei Chu, Wenbo Li +5
We observe that focusing a femtosecond laser beam simultaneously chirped in time and space domains in glass can efficiently suppress the optical aberration caused by the refractive…
2.6mJ/100Hz CEP stable near-single-cycle 4μm laser based on OPCPA and hollow-core-fiber compression
Pengfei Wang, Yanyan Li, Wenkai Li +10
A carrier envelope phase stable near-single cycle mid-infrared laser based on optical parametric chirped pulse amplification and hollow-core-fiber compression is demonstrated. 4 μm…
Near-resonant Raman amplification in the rotational quantum wavepackets of nitrogen molecular ions generated by strong field ionization
Zhaoxiang Liu, Jinping Yao, Jinming Chen +3
Generation of laser-like narrow bandwidth emissions from nitrogen molecular ions generated in intense near- and mid-infrared femtosecond laser fields has aroused much interest beca…
Intense keV isolated attosecond pulse generation by orthogonally polarized multicycle midinfrared two-color laser field
Guicun Li, Yinghui Zheng, Zhinan Zeng +1
We theoretically investigate the generation of intense keV attosecond pulses in an orthogonally polarized multicycle midinfrared two-color laser field. It is demonstrated that mult…
Compact transient-grating self-referenced spectral interferometry for sub-nanojoule femtosecond pulses characterization
Xiong Shen, Peng Wang, Jun Liu +1
The self-referenced spectral interferometry (SRSI) technique, which is usually used for microjoule-level femtosecond pulses characterization, is improved to characterize weak femto…
Electron motion enhanced high harmonic generation in xenon clusters
Na Li, Peng Liu, Ya Bai +3
Atomic clusters presents an isolated system that models the bulk materials whose mechanism of HHG remains uncertain, and a promising medium to produce HHG beyond the limited conver…
Fabrication of polarization-independent single-mode waveguides in lithium niobate crystal with femtosecond laser pulses
Jia Qi, Peng Wang, Yang Liao +5
We report on fabrication of depressed cladding optical waveguides buried in lithium niobate crystal with shaped femtosecond laser pulses. Depressed cladding waveguides of variable…
Generation of nonlinear vortex precursors
Yue-Yue Chen, Xun-Li Feng, Chengpu Liu
We numerically study the propagation of a few-cycle pulse carrying orbital angular momentum (OAM) through a dense atomic system. Nonlinear precursors consisting of high-order vorte…
Generation of elliptically polarized nitrogen-ion laser fields using two-color femtosecond laser pulses
Ziting Li, Bin Zeng, Wei Chu +6
We experimentally investigate generation of molecular nitrogen-ion lasers with two femtosecond laser pulses at different wavelengths. The first pulse serves as the pump which ioniz…
Time-resolved shadowgraphs of transient plasma induced by spatiotemporally focused femtosecond laser pulses in fused silica glass
Zhaohui Wang, Bin Zeng, Guihua Li +7
We report on experimental observations of formation and evolution of transient plasma produced in fused silica glass with spatiotemporally focused (STF) femtosecond laser pulses us…
Fabrication of a microresonator-fiber assembly maintaining a high-quality factor by CO2 laser welding
Zhiwei Fang, Jintian Lin, Min Wang +4
We demonstrate fabrication of a microtoroid resonator of a high-quality (high-Q) factor using femtosecond laser three-dimensional (3D) micromachining. A fiber taper is reliably ass…
Direct observation of laser guided corona discharges
Tie-Jun Wang, Yingxia Wei, Yaoxiang Liu +10
Laser based lightning control holds a promising way to solve the problem of the long standing disaster of lightning strikes. But it is a challenging project due to insufficient und…
Formation of in-volume nanogratings with sub-100 nm periods in glass by femtosecond laser irradiation
Yang Liao, Wangjun Pan, Yun Cui +4
We present direct experimental observation of the morphological evolution during the formation of nanogratings with sub-100-nm periods with the increasing number of pulses. Theoret…
Population Redistribution among Multiple Electronic States of Molecular Nitrogen Ions in Strong Laser Fields
Jinping Yao, Shicheng Jiang, Wei Chu +11
We carry out a combined theoretical and experimental investigation on the population distributions in the ground and excited states of tunnel ionized N2 molecules at various driver…
Giant Two-Photon Absorption in Monolayer MoS2
Yuanxin Li, Ningning Dong, Saifeng Zhang +5
Strong two-photon absorption (TPA) in monolayer MoS2 is demonstrated in contrast to saturable absorption (SA) in multilayer MoS2 under the excitation of femtosecond laser pulses in…
Direct Observationof DegenerateTwo-Photon Absorption and Its Saturation in WS2 and MoS2 Monolayer and Few-Layer Films
Saifeng Zhang, Ningning Dong, Niall McEvoy +10
The optical nonlinearity of WS2, MoS2 monolayer and few-layer films was investigated using the Z-scan technique with femtosecond pulses from the visible to the near infrared. The d…