科研之友
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摘要
In this Letter, we report a dispersion-compensation-free ultrafast thulium-doped all-fiber laser based on nonlinear polarization evolution (NPE) mode locking, delivering 330 fs soliton pulses at 1950 nm. A multifunctional hybrid fiberized device was applied in the oscillator to minimize the physical cavity length to similar to 80 cm with a total dispersion of -0.045 ps(2), enabling a state-of-the-art fundamental mode-locking repetition rate of 248 MHz in an NPE-based oscillator at similar to 2 mu m.
- 出版日期2016-9-1
