supported by the National Natural Science Foundation of China(No.62135007);the Open Fund of Guangdong Provincial Key Laboratory of Functional Nanophotonic Materials and Devices,South China Normal University,Guangzhou,China。
We experimentally demonstrate a Yb-doped all-fiber mode-locked laser based on the Mamyshev mechanism.The entire experimental setup operates only by injecting pump powers and adjusting polarization controllers(PCs),whi...
supported by the National Natural Science Foundation of China(No.62375220);Shaanxi Key Science and Technology Innovation Team Project(No.2023-CX-TD06);National Major Scientific Research Instrument Development Project of China(No.51927804)。
We explore for the first time the real-time spectra of dissipative soliton(DS)and noise-like pulse(NLP)inter-switching by adjusting the pump power,as well as the dual-pulse collision dynamics for three modes:dual-NLP,...
supported by the Major State Basic Research Development Program of China(No.2022YFA1603703);the National Natural Science Foundation of China(No.12335020);the Strategic Priority Research Program of the Chinese Academy of Sciences(No.XDB37040303);supported by the Shanghai Soft X-ray Free-Electron Laser Beamline Project。
The X-ray free-electron laser(XFEL),a new X-ray light source,presents numerous opportunities for scientific research.Self-amplified spontaneous emission(SASE)is one generation mode of XFEL in which each pulse is uniqu...
supported by the National Natural Science Foundation of China(Nos.61827821 and 62227821)。
Pulse duration is considered as one of the most important characteristics of high-power femtosecond lasers.However,pulses output from the laser system are susceptible to ambient changes and manifest the instability of...
supported by the Guangdong Basic and Applied Basic Research Foundation (No.2023A1515111114);the Key-Area Research and Development Program of Guangdong Province (No.2023B0909010005);the Fundamental Research Project of Department of Education of Guangdong Province (No.2021ZDJS106);the Shenzhen Pingshan District Science and Technology Innovation Fund (Nos.PSKG202003,PSKG202007,and KY2022QJKCZ001)。
We have experimentally presented a watt-level noise-like (NL) pulse mode-locked all-polarization-maintaining(PM) fiber laser centered at ~1995 nm, which can directly generate stable NL pulses with a maximum output pow...
This work was supported by the National Natural Science Foundation of China(NSFC)(No.61575018).
The coexistence of a noise-like pulse(NLP)and a dark pulse was experimentally demonstrated in a net-anomalous dispersion Er/Yb co-doped fiber(EYDF)laser,for the first time,to our knowledge.The cavity was mode-locked b...
supported by the Pusan National University Research Grant,2022,and the National Research Foundation of Korea(NRF)funded by the Korea government(MSIT)(No.2022R1A2C1091890).
We demonstrate the temporal manipulation of spatiotemporal optical vortices(STOVs)by utilizing Airy pulses.By combining a STOV with an Airy temporal profile,the STOV exhibits nondispersive,self-accelerating,and self-h...
supported by the National Natural Science Foundation of China(Nos.61875045 and 62005066)。
In this paper,the influence of the delay time between the pre-pulse and the main pulse on the double-pass amplified 46.9 nm laser was studied for the first time,to the best of our knowledge,by using a high-precision p...
supported by the National Natural Science Foundation of China (Nos. 51975232 and 51727809);the Experiment Center for Advanced Manufacturing and Technology in the School of Mechanical Science & Engineering of HUST for the technical support.
Understanding the ultrafast carrier dynamics and the mechanism of two-dimensional(2D)transition metal dichalcogenides(TMDs)is key to their applications in the field of optoelectronic devices.In this work,a single puls...
This work was supported by the Beijing Natural Science Foundation(No.4192015);the National Natural Science Foundation of China(No.61975003).
The dispersive Fourier transform technique provides feasibility of exploring non-repetitive events and the buildup process in ultrafast lasers.In this paper,we report a new buildup process of dissipative solitons in a...