多模波时空振荡的超宽带色散辐射
Ultrabroadband dispersive radiation by spatiotemporal oscillation of multimode waves
摘要：
尽管三维系统的丰富性和重要性，相对于纯时间或纯空间系统，时空非线性光波的进展相对较少。本文研究了多模光纤中三维演化非线性光波的辐射特性。光纤中孤子的时空振荡产生超宽带谱范围内的多模色散波边带。这项工作提出了多用途相干电磁波源的路线，具有前所未有的波长覆盖范围。
英文摘要：
Despite the abundance and importance of three-dimensional systems, relatively little progress has been made on spatiotemporal nonlinear optical waves compared to time-only or space-only systems. Here we study radiation emitted by three-dimensionally evolving nonlinear optical waves in multimode fiber. Spatiotemporal oscillations of solitons in the fiber generate multimode dispersive wave sidebands over an ultrabroadband spectral range. This work suggests routes to multipurpose sources of coherent electromagnetic waves, with unprecedented wavelength coverage.
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