Mamyshev振荡器的兆瓦峰值功率
Megawatt peak power from a Mamyshev oscillator
摘要：
我们展示了一个光纤源的最佳性能，从超快光纤振荡器的日期。环形腔Mamyshev振荡器产生50 nJ和40 fs脉冲。峰值功率比具有类似光纤模式面积的先前激光器高一个数量级。这种性能是通过将振荡器设计为支持抛物线脉冲形成来实现的，这使得能够管理前所未有的非线性相移。实验结果受到可用泵浦功率的限制。数值模拟揭示了脉冲演变的关键方面，并现实地表明，（外部压缩后）峰值功率接近10兆瓦是可能的，从普通的单模光纤。Mamyshev振荡器结合了先前建立的环境稳定性等实用功能和此处描述的性能，因此非常适合应用。
英文摘要：
We demonstrate a fiber source with the best performance from an ultrafast fiber oscillator to date. The ring-cavity Mamyshev oscillator produces 50-nJ and 40-fs pulses. The peak power is an order of magnitude higher than that of previous lasers with similar fiber mode area. This performance is achieved by designing the oscillator to support parabolic pulse formation which enables the management of unprecedented nonlinear phase shifts. Experimental results are limited by available pump power. Numerical simulations reveal key aspects of the pulse evolution, and realistically suggest that (after external compression) peak powers that approach 10 MW are possible from ordinary single-mode fiber. The combination of practical features such as environmental stability, established previously, with the performance described here make the Mamyshev oscillator extremely attractive for applications.
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