论文标题
超短脉冲的时空模式分解在分级索引多模纤维中传播
Spatiotemporal mode decomposition of ultrashort pulses propagating in graded-index multimode fibers
论文作者
论文摘要
我们开发了一种时空模式分解技术，以研究不同输入激光条件的分级多模纤维长期跨度的超短脉冲的模式分布。我们发现，由于功率扩散从线性和非线性模式偶联的过程中，非分散脉冲传播方案中的光束模式功率含量可以由Bose-Einstein定律描述。在索利顿政权中，输出模式电源分配接近瑞利 - 吉恩法律
We develop a spatiotemporal mode decomposition technique to study the mode power distribution of ultrashort pulses emerging from long spans of graded-index multimode fiber, for different input laser conditions. We find that beam mode power content in the dispersive pulse propagation regime can be described by the Bose-Einstein law, as a result of the process of power diffusion from linear and nonlinear mode coupling among nondegenerate mode groups. In the soliton regime, the output mode power distribution approaches the Rayleigh-Jeans law
