Spatiotemporal hologram

Qian Cao, Nianjia Zhang, Andy Chong and Qiwen Zhan ()
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Qian Cao: University of Shanghai for Science and Technology
Nianjia Zhang: University of Shanghai for Science and Technology
Andy Chong: Pusan National University
Qiwen Zhan: University of Shanghai for Science and Technology

Nature Communications, 2024, vol. 15, issue 1, 1-6

Abstract: Abstract Spatiotemporal structured light has opened up new avenues for optics and photonics. Current spatiotemporal manipulation of light mostly relies on phase-only devices such as liquid crystal spatial light modulators to generate spatiotemporal optical fields with unique photonic properties. However, simultaneous manipulation of both amplitude and phase of the complex field for the spatiotemporal light is still lacking, limiting the diversity and richness of achievable photonic properties. In this work, a simple and versatile spatiotemporal holographic method that can arbitrarily sculpt the spatiotemporal light is presented. The capabilities of this simple yet powerful method are demonstrated through the generation of fundamental and higher-order spatiotemporal Bessel wavepackets, spatiotemporal crystal-like and quasi-crystal-like structures, and spatiotemporal flat-top wavepackets. Fully customizable spatiotemporal wavepackets will find broader application in investigating the dynamics of spatiotemporal fields and interactions between ultrafast spatiotemporal pulses and matters, unveiling previously hidden light-matter interactions and unlocking breakthroughs in photonics and beyond.

Date: 2024
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DOI: 10.1038/s41467-024-52268-8

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