采用腔内啁啾光纤光栅的全光纤锁模纳秒激光器。
All-fiber mode-locked nanosecond laser employing intracavity chirped fiber gratings.
作者信息
Wang Hushan, Wang Yishan, Zhao Wei, Zhang Wei, Zhang Ting, Hu Xiaohong, Yang Zhi, Liu Hongjun, Duan Kailiang, Liu Xuemin, Li Cheng, Shen Deyuan, Sui Zhan, Liu Bin
机构信息
State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China.
出版信息
Opt Express. 2010 Mar 29;18(7):7263-8. doi: 10.1364/OE.18.007263.
We demonstrate that nanosecond pulses are generated directly from an all-fiber mode-locked ytterbium-doped fiber laser. A pair of Chirped Fiber Gratings (CFGs) with different sign of dispersion is employed for intracavity dispersion management. Self-starting stabilized mode-locking operation is achieved by nonlinear polarization evolution (NPE). The 1.27 ns pulses are obtained after one CFG with large positive dispersion. The pulse energy is up to 15 nJ at a repetition rate of 3.48 MHz.
我们证明了纳秒脉冲是直接从全光纤锁模掺镱光纤激光器产生的。一对具有不同色散符号的啁啾光纤光栅（CFGs）用于腔内色散管理。通过非线性偏振演化（NPE）实现了自启动稳定锁模操作。在经过一个具有大正色散的CFGs后获得了1.27 ns的脉冲。在3.48 MHz的重复频率下，脉冲能量高达15 nJ。
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