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arXiv physics/0510212physics.optics
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超短光脉冲非线性动力学中的锥形发射、脉冲分裂和X波参量放大

Conical emission, pulse splitting and X-wave parametric amplification in nonlinear dynamics of ultrashort light pulses

Daniele Faccio, Miguel A. Porras, Audrius Dubietis, Francesca Bragheri, Arnaud Couairon, Paolo Di Trapani

摘要:

对水中光丝的角度-频谱的精确观测揭示了一种与当前锥形发射(CE)模型不相容的情景。它的线性X波模式的描述,使我们了解到需要一个相位和组匹配,克尔驱动的四波混频过程,涉及两个高度本地化的泵和两个X波的双折射动力学。CE和时间分裂作为这一过程的两种表现自然出现。

英文摘要:

The precise observation of the angle-frequency spectrum of light filaments in water reveals a scenario incompatible with current models of conical emission (CE). Its description in terms of linear X-wave modes leads us to understand filamentation dynamics requiring a phase- and group-matched, Kerr-driven four-wave-mixing process that involves two highly localized pumps and two X-waves. CE and temporal splitting arise naturally as two manifestations of this process.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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