Demonstration of 3D space-time wave packets

Murat Yessenov; Zhaozhong Chen; Justin Free; Eric G. Johnson; Martin P. J. Lavery; Ayman F. Abouraddy

doi:10.1117/12.2608737

9 March 2022 Demonstration of 3D space-time wave packets

Murat Yessenov, Zhaozhong Chen, Justin Free, Eric G. Johnson, Martin P. J. Lavery, Ayman F. Abouraddy

Proceedings Volume PC12017, Complex Light and Optical Forces XVI; PC1201703 (2022) https://doi.org/10.1117/12.2608737
Event: SPIE OPTO, 2022, San Francisco, California, United States

Abstract

Space-time (ST) wave packets are pulsed beams endowed with tight spatio-temporal spectral correlations, whereby each spatial frequency is associated with a single wavelength resulting in propagation invariance at an arbitrary group velocity. Previously, our group introduced an experimental methodology to synthesize 2D ST wave packets, i.e. light sheets, based on 2D pulse shaper. Here, we demonstrate a new experimental method to synthesize ST wave packets localized in all dimensions, including 3D space and 1D time. We show that 3D ST wave packets propagate longer distances without spreading compared with traditional Bessel beams, and propagate at subluminal and superluminal group velocities.

Conference Presentation

Citation Download Citation

Murat Yessenov, Zhaozhong Chen, Justin Free, Eric G. Johnson, Martin P. J. Lavery, and Ayman F. Abouraddy "Demonstration of 3D space-time wave packets", Proc. SPIE PC12017, Complex Light and Optical Forces XVI, PC1201703 (9 March 2022); https://doi.org/10.1117/12.2608737

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