Results 1 to 10 of about 2,205 (117)

14.5 GHz passive harmonic mode-locking in a dispersion compensated Tm-doped fiber laser [PDF]

Scientific Reports, 2017
We demonstrate a high repetition rate passive harmonic mode-locking (HML) based on nonlinear polarization evolution (NPE) technique in a Tm-doped ring fiber laser cavity.
Yazhou Wang, Jianfeng Li, Kundong Mo, Yanyan Wang, Fei Liu, Yong Liu   +5 more
doaj   +2 more sources

Real-time in Vivo monitoring of photosynthesis in individual leaves by frequency-locked quartz-enhanced photoacoustic spectroscopy [PDF]

Photoacoustics
This paper presents a method for real-time measurement of in vivo leaves photosynthetic rates using quartz-enhanced photoacoustic spectroscopy (QEPAS) with first-harmonic frequency- locking (1f-locking).
Surui Liu, Lu Qin, Chongqiu Zhou, Juncheng Lu, Wen Liu, Jie Shao   +5 more
doaj   +2 more sources

High-repetition-rate ultrafast fiber lasers enabled by BtzBiI4: a novel bismuth-based perovskite nonlinear optical material [PDF]

Nanophotonics
Recent advances in perovskite crystals have highlighted their exceptional optical properties, making them promising candidates for a wide range of photonic applications.
Du Xiaohui, Liu Chenyue, Ding Zefei, Zhao Yuan, Zhu Cunguang, Wang Yaoyao, Wang Pengpeng   +6 more
doaj   +2 more sources

Dynamics Simulation of Self-Mode-Locking in a Semiconductor Disk Laser Using Delay Differential Equations

Photonics, 2022
Self-mode-locked semiconductor disk lasers possess compact resonant cavity and stable construction. These devices have a wide application prospect because of their picosecond to sub-picosecond pulse width, excellent beam quality and tailorable emission ...
Tao Wang, Renjiang Zhu, Cunzhu Tong, Yunjie Liu, Peng Zhang   +4 more
doaj   +1 more source

Gigahertz femtosecond laser-by a novel asymmetric one-dimensional photonic crystal saturable absorber device with defect layer

Nanophotonics, 2022
High repetition frequency (HRF) ultrashort pulse fiber laser has been widely used in laser cold processing. The technical solutions such as short cavity length fiber laser have been proposed to achieve HRF ultrashort pulse output recently.
Song Chun-Yu, Chen Hua-Long, Wang Yong-Jie, Jin Liang, Xu Ying-Tian, Shi Lin-Lin, Zou Yong-Gang, Ma Xiao-Hui, Song Yu-Feng, Wang Cong, Zhang Ya-Ting, Lin Ja-Hon, Zhang He, Zhang Han, Yao Jian-Quan   +14 more
doaj   +1 more source

Realization of harmonic mode-locking in thulium-doped fiber laser using In2(SO4)3-based saturable absorber

Results in Optics, 2022
Harmonic mode-locking (HML) is realized in a thulium-doped fiber laser (TDFL) using indium sulfate (In2(SO4)3) as a saturable absorber (SA). The In2(SO4)3 has nonlinear saturable absorption properties with the nonlinear optical modulation depth of 13.3 %
Xiaohui Ma, Kai Zhang, Qiaoxia Luo, Yiqi Chu, Kai Chen, Xian Wang, Yong Zhou, Wei Zhang, Wentan Fang, Xiaolin Chen, Song Huang, Meisong Liao, Weiqing Gao   +12 more
doaj   +1 more source

Asynchronous Harmonic Mode Locking in an All-Normal Dispersion Yb-Doped Fiber Laser

IEEE Photonics Journal, 2013
We present detailed experimental and theoretical results to demonstrate the possibility of asynchronous harmonic mode locking in an all-normal dispersion fiber laser.
Sheng-Min Wang, Siao-Shan Jyu, Wei-Wei Hsiang, Yinchieh Lai   +3 more
doaj   +1 more source

Tm³⁺-Doped Harmonic Dissipative Soliton Mode-Locked Fiber Laser at 1.93 $\mu$ m Based on Tungsten Disulfide in Anomalous Dispersion Regime

IEEE Access, 2019
We report a harmonic dissipative soliton 1.93 μm thulium fiber laser based on a tungsten disulfide (WS2) saturable absorber (SA) in the anomalous dispersion regime. The multilayer WS2 nanosheets were prepared by liquid phase exfoliation method and
Zhen Tian, Liqiang Zhang, Haimiao Zhou, Dong Yan, Cheng-Kai Yao, Nan-Kuang Chen, Shien-Kuei Liaw, Chun-Nien Liu, Huishan Yu, Min Zhao   +9 more
doaj   +1 more source

Highly Efficient Multiple Watt Gain-Switched 1.7 μm All-Fiber Laser Pumped by 1.6 μm Harmonic Dissipative Soliton Resonance Pulses

IEEE Photonics Journal, 2022
Here, we firstly utilize a newly explored 1.6 μm harmonic dissipative soliton resonance (DSR) pulses as a pump source to realize a highly efficient gain-switched thulium fiber laser at 1719.52 nm.
Haolin Yang, Xiaogang Jiang, Sailing He
doaj   +1 more source

Mode-Locking Thulium-Doped Fiber Laser With 1.78-GHz Repetition Rate Based on Combination of Nonlinear Polarization Rotation and Semiconductor Saturable Absorber Mirror

IEEE Photonics Journal, 2017
We experimentally demonstrate a passively mode-locking thulium-doped fiber laser based on the combination of the nonlinear polarization rotation (NPR) and the semiconductor saturable absorber mirror (SESAM).
Jia Qingsong, Wang Tianshu, Ma Wanzhuo, Wang Zhen, Su Qingchao, Bo Baoxue, Jiang Huilin   +6 more
doaj   +1 more source