正交双色laser场的条纹时间双缝干涉
Streaking temporal double slit interference by an orthogonal two-color laser field
摘要：
本文研究了Ar原子在两束不同颜色的正交偏振激光脉冲作用下单次电离产生的电子动量分布。双色方案用于实验控制在一个激光周期内不同时间释放的电子波包之间的干涉。这种胞内干涉图样在实验中通常很难分辨。在双色控制方案下，这些特征成为对电子动量分布的主要贡献。此外，第二颜色可以用于对其他干扰的波包进行划线，从而建立哪条路的标记。我们的研究表明，干涉条纹的可见度取决于由两个脉冲之间的可控相位决定的哪一路信息的程度。
英文摘要：
We investigate electron momentum distributions from single ionization of Ar by two orthogonally polarized laser pulses of different color. The two-color scheme is used to experimentally control the interference between electron wave packets released at different times within one laser cycle. This intracycle interference pattern is typically hard to resolve in an experiment. With the two-color control scheme these features become the dominant contribution to the electron momentum distribution. Furthermore the second color can be used for streaking of the otherwise interfering wave packets establishing a which-way marker. Our investigation shows that the visibility of the interference fringes depends on the degree of the which-way information determined by the controllable phase between the two pulses.
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