光纤激光器
光学
材料科学
激光器
超短脉冲
抖动
脉冲持续时间
模式锁定
光电子学
计算机科学
物理
电信
作者
Wei-Yu Lai,Han Zhang,Zexiu Zhu,Peiguang Yan,Shuangchen Ruan,Zhipei Sun,Jinzhang Wang
出处
期刊:Optics Letters
[Optica Publishing Group]
日期:2020-09-02
卷期号:45 (19): 5492-5492
被引量:25
摘要
We demonstrate a compact, self-starting mode-locked thulium-doped fiber laser based on nonlinear polarization evolution (NPE), with a fundamental repetition rate of ∼344MHz and a pulse duration of ∼160fs. The generated pulses centered at ∼1975nm have a maximum output power of ∼560mW, corresponding to a pulse energy of ∼1.63nJ. To the best of our knowledge, the achieved repetition rate represents the highest value of fundamentally NPE mode-locked fiber lasers at ∼2µm, while the average output power is also higher than the previously reported 2 µm ultrafast single-mode fiber oscillators. The timing jitter in the integrated range [5 kHz, 10 MHz] and the integrated relative intensity noise in the range [10 Hz, 10 MHz] reach ∼35fs and ∼0.009%, respectively. Our high-performance laser is an ideal candidate for various applications, including mid-infrared frequency metrology and high-speed optical sampling.
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