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3 October 2022 Arbitrary space-time wave packet synthesis (Conference Presentation)
Amit K. Agrawal, Lu Chen, Wenqi Zhu
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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.
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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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KEYWORDS
Ultrafast phenomena
Multiplexing
Nonlinear control
Numerical simulations
Pulsed laser operation
Silicon
Spectral resolution
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