Ultrafast dynamics of strong field interactions in the condensed phase

固体和液体在被强烈的超短激光脉冲照射时都会发出持续时间为阿秒的XUV光。这位博士将研究从不同类型的材料产生阿秒和极端紫外线(XUV)脉冲的方法，双重目的是了解这些材料如何产生极端紫外光，并开发XUV光子器件。这项工作是强场物理学一个新兴分支的一部分，有可能成为基于固态的、紧凑的阿秒脉冲源。特别是，这个博士将研究固体和液体中极端电子动力学的时间依赖性。在高次谐波发射中产生的强驱动电子在能带内产生拍赫兹速率电流，这些电流可以被用来在相干电子波发射上写入信息，并发展拍赫兹光电子学。

Both solids and liquids when illuminated with an intense ultrashort laser pulse will emit XUV light, with attoseconds duration. This PhD will investigate methods to generate attosecond and extreme UV, (XUV), pulses from different types of materials, with the dual aims of understanding how extreme UV light is produced in these materials and developing XUV photonic devices. This work is part of an emerging new branch of strong field physics, with the potential for a solid-state based, compact source of attosecond pulses. In particular this PhD will investigate the time dependence of extreme electron dynamics in solids and liquids. The strongly driven electrons created in HHG emission generate petahertz rate currents within the bands and these can be exploited to write information onto coherent electron wave emission and develop petahertz opto-electronics.