4.4 Article

Roadmap on spatiotemporal light fields

期刊

JOURNAL OF OPTICS
卷 25, 期 9, 页码 -

出版社

IOP Publishing Ltd
DOI: 10.1088/2040-8986/ace4dc

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spatiotemporal; structured light; light pulses; space-time optics; lasers

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The article discusses the spatiotemporal sculpturing of light pulses and its significance in ultra-fast information transmission and processing, as well as ultra-intense energy concentration and extraction. It highlights the emergence of more generalized forms of spatiotemporally nonseparable solutions and provides an overview of the future trends and challenges.
Spatiotemporal sculpturing of light pulse with ultimately sophisticated structures represents a major goal of the everlasting pursue of ultra-fast information transmission and processing as well as ultra-intense energy concentration and extraction. It also holds the key to unlock new extraordinary fundamental physical effects. Traditionally, spatiotemporal light pulses are always treated as spatiotemporally separable wave packet as solution of the Maxwell's equations. In the past decade, however, more generalized forms of spatiotemporally nonseparable solution started to emerge with growing importance for their striking physical effects. This roadmap intends to highlight the recent advances in the creation and control of increasingly complex spatiotemporally sculptured pulses, from spatiotemporally separable to complex nonseparable states, with diverse geometric and topological structures, presenting a bird's eye viewpoint on the zoology of spatiotemporal light fields and the outlook of future trends and open challenges.

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