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- Title
Subpicosecond SESAM and nonlinear polarization evolution hybrid mode-locking ytterbium-doped fiber oscillator.
- Authors
Li, Pingxue; Zhao, Ziqiang; Zhang, Mengmeng; Liang, Boxing; Chi, Junjie; Yang, Chun; Zhang, Guangju; Hu, Haowei; Yao, Yifei; Ma, Chunmei
- Abstract
We report on a high-power 960-fs subpicosecond pulse generation from a passively mode-locked ytterbium-doped large-mode-area photonic crystal fiber oscillator in the all-normal dispersion regime. Stable and self-starting operation is obtained by exploiting an efficient combination of a high modulation depth semiconductor saturable absorber mirror and the nonlinear polarization evolution mode-locking mechanism. In the single-pulse regime, the laser directly generates the output power of 3.15 W at the repetition rate of 83.7 MHz, corresponding to the pulse energy of 37 nJ. The center wavelength is 1,030 nm with the spectral bandwidth of 8 nm at the maximum output power. The output characteristics of the oscillator are discussed carefully.
- Subjects
PICOSECOND pulses; NONLINEAR optics; OPTICAL polarization; HYBRID mode locking; YTTERBIUM; DOPING agents (Chemistry); NONLINEAR oscillators
- Publication
Applied Physics B: Lasers & Optics, 2015, Vol 118, Issue 4, p561
- ISSN
0946-2171
- Publication type
Article
- DOI
10.1007/s00340-015-6036-x