Arbitrary space-time wave packet synthesis (Conference Presentation)

Amit K. Agrawal; Lu Chen; Wenqi Zhu

doi:10.1117/12.2646373

3 October 2022 Arbitrary space-time wave packet synthesis (Conference Presentation)

Amit K. Agrawal, Lu Chen, Wenqi Zhu

Proceedings Volume PC12195, Metamaterials, Metadevices, and Metasystems 2022; PC1219511 (2022) https://doi.org/10.1117/12.2646373
Event: SPIE Nanoscience + Engineering, 2022, San Diego, California, United States

Abstract

The ability to tailor an ultrafast pulse at will has far-reaching impacts on numerous fields in modern science and technology. Here, we demonstrate simultaneous and independent control of the temporal and spatial degrees of freedom of an ultrabroad bandwidth, near-infrared femtosecond pulse using a single-layer dielectric metasurface. Exotic femtosecond pulses exhibiting a rich set of time-evolving instantaneous polarization states and structured wavefronts are both theoretically and experimentally demonstrated. Such an approach opens new possibilities in studying fundamental light-matter interactions at the femtosecond timescale and has the potential to enable applications in chiral spectroscopy, coherent control, and nonlinear optics.

Conference Presentation

Citation Download Citation

Amit K. Agrawal, Lu Chen, and Wenqi Zhu "Arbitrary space-time wave packet synthesis (Conference Presentation)", Proc. SPIE PC12195, Metamaterials, Metadevices, and Metasystems 2022, PC1219511 (3 October 2022); https://doi.org/10.1117/12.2646373

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