全正色散激光器中的自相似脉冲演化
Self-similar pulse evolution in an all-normal-dispersion laser.
作者信息
Renninger William H, Chong Andy, Wise Frank W
机构信息
Department of Applied Physics, Cornell University, 212 Clark Hall, Ithaca, New York 14853, USA.
出版信息
Phys Rev A. 2010 Aug 30;82(2). doi: 10.1103/PhysRevA.82.021805.
Abstract
Parabolic amplifier similaritons are observed inside a normal-dispersion laser. The self-similar pulse is a local nonlinear attractor in the gain segment of the oscillator. The evolution in the laser exhibits large (20 times) spectral breathing, and the pulse chirp is less than the group-velocity dispersion of the cavity. All of these features are consistent with numerical simulations. The amplifier similariton evolution also yields practical features such as parabolic output pulses with high energies, and the shortest pulses to date from a normal-dispersion laser.
摘要
在正常色散激光器内部观察到抛物线放大器相似性。自相似脉冲是振荡器增益段中的局部非线性吸引子。激光器中的演化呈现出大（20倍）的光谱呼吸，并且脉冲啁啾小于腔的群速度色散。所有这些特征都与数值模拟一致。放大器相似性演化还产生了一些实际特性，如具有高能量的抛物线输出脉冲，以及来自正常色散激光器的迄今为止最短的脉冲。
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