期刊
PHYSICAL REVIEW A
卷 104, 期 1, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.104.013506
关键词
-
资金
- Australian Research Council (ARC) [DP180102234]
- Asian Office of Aerospace RD (AOARD) [FA2386-19-1-4067]
The study investigates the self-similar propagation of optical pulses in certain conditions and shows that the intensity profile of the pulses follows a specific function form with a scaling relation. The results are complex but consistent with numerical simulations.
We investigate theoretically and numerically the self-similar propagation of optical pulses in the presence of gain, positive Kerr nonlinearity, and positive (i.e., normal) dispersion of even order m. Starting from a modified nonlinear Schrodinger equation, separating the evolution of amplitude and phase, we find that the resulting equations simplify considerably in the asymptotic limit. Exact solutions to the resulting equations indicate that the temporal intensity profile follows a 1 - Tm/(m-1) function with an m-dependent scaling relation, with a T1/(m-1) chirp, where T is the pulse's local time. These correspond to a triangle and a step function, respectively, as m -> infinity. These results are borne out by numerical simulations, although we do observe indications of nonasymptotic behavior.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据