Quantum control of flying doughnut terahertz pulses

The ability to manipulate the multiple properties of light diversifies light-matter interaction and light-driven applications. Here, using quantum control, we introduce an approach that enables the amplitude, sign, and even configuration of the generated light fields to be manipulated in an all-opti...

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Bibliographic Details
Published in:Science advances 2024-01, Vol.10 (2), p.eadl1803-eadl1803
Main Authors: Jana, Kamalesh, Mi, Yonghao, Møller, Søren H, Ko, Dong Hyuk, Gholam-Mirzaei, Shima, Abdollahpour, Daryoush, Sederberg, Shawn, Corkum, Paul B
Format: Article
Language:English
Subjects:
Physical and Materials Sciences
Physics
SciAdv r-articles
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Summary:The ability to manipulate the multiple properties of light diversifies light-matter interaction and light-driven applications. Here, using quantum control, we introduce an approach that enables the amplitude, sign, and even configuration of the generated light fields to be manipulated in an all-optical manner. Following this approach, we demonstrate the generation of "flying doughnut" terahertz (THz) pulses. We show that the single-cycle THz pulse radiated from the dynamic ring current has an electric field structure that is azimuthally polarized and that the space- and time-resolved magnetic field has a strong, isolated longitudinal component. We apply the flying doughnut pulse for a spectroscopic measurement of the water vapor in ambient air. Pulses such as these will serve as unique probes for spectroscopy, imaging, telecommunications, and magnetic materials.
ISSN:2375-2548
2375-2548
DOI:10.1126/sciadv.adl1803