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Low-threshold efficient N lasing driven by sub-cycle soliton dynamics in a hollow waveguide
Tiandao Chen, Zhiyuan Huang, Jinyu Pan +12
The phenomenon of N lasing, observed in femtosecond-laser filamentation, attract considerable interests in recent several years, with great application potentials in fields…
Enhancement of vacuum-ultraviolet dispersive-wave emission using gas-filled tapered hollow-core fibers
Yinuo Zhao, Donghan Liu, Baoqi Shi +12
The recent breakthroughs in laser-driving 229Th nuclear transition have created an urgent demand for coherent vacuum-ultraviolet (VUV) sources delivering high spectral brightness a…
Deep-ultraviolet Cherenkov radiation in all-normal-dispersion waveguide enabled by spatial-temporal dynamics
Tiandao Chen, Zhiyuan Huang, Jinyu Pan +12
Nonlinear propagation of ultrashort pulses in multi-mode waveguides, featuring complex spatial-temporal dynamics, provides new degrees of freedom in the fields of nonlinear optics…
TF-UNet: Resolving Complex Speckles for Single-Shot Reconstruction of 512^2-Matrix Images Using a Micron-Sized Optical Fiber
Mingliang Xu, Fangyuan Li, Yuxin Leng +2
Tapered optical fibers (TFs), with diameters gradually reduced from hundreds of microns to the micron scale, offer key advantages over conventional flat optical fibers (FFs), inclu…
Full-span reversible space-time birefringence
Chenhui Yu, Guanyi Zhu, Mingliang Xu +5
Birefringence, the polarization-dependent splitting of light in anisotropic crystals, enables diverse optical phenomena and advanced functionalities such as optical communication,…
Flexible delivery of high-power picosecond laser in purely-single optical mode of anti-resonant hollow-core fiber for micromachining
Xinshuo Chang, Qinan Jiang, Zhiyuan Huang +11
We present the flexible delivery of picosecond laser pulses with up to 20 W average power over a 3-m-long sample of anti-resonant hollow-core fiber (AR-HCF) for laser micromachinin…
Three-stage dynamics of nonlinear pulse amplification in ultrafast mid-infrared fiber amplifier with anomalous dispersion
Weiyi Sun, Jiapeng Huang, Liming Chen +9
Nonlinear pulse amplification in optical fiber, with capability of breaking the gain-bandwidth limitation, is a key technique for high-energy, ultrafast pulse generation. In the lo…
Tunable ultraviolet dispersive-wave emission driven directly by 40-fs Ti: sapphire laser pulses in hollow capillary fiber
Tiandao Chen, Zhiyuan Huang, Jinyu Pan +8
We demonstrate that by using 1-m-long gas-filled hollow capillary fiber (HCF) with a core diameter of 100 μm, tunable ultraviolet (UV) dispersive-wave (DW) pulses can be generated…
Octave-wide broadening of ultraviolet dispersive wave driven by soliton-splitting dynamics
Tiandao Chen, Jinyu Pan, Zhiyuan Huang +9
Coherent dispersive wave emission, as an important phenomenon of soliton dynamics, manifests itself in multiple platforms of nonlinear optics from fibre waveguides to integrated ph…