ArticleScience advances2025
Rotatum of light.
Article in Science advances, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- In vitro optical characterization of the RayOne Galaxy spiral extended depth-of-focus intraocular lens using high-resolution Mach-Zehnder interferometry.Biomedical optics express · 2026Article
- Encoding orbital angular momentum of light in space with optical catastrophes.Nature communications · 2026Article
- Scalable generalized meta-spanners enabling parallel multitasking optical manipulation.Science advances · 2026Article
- OAM multiplication operator enabled holographic multiplexing.Light, science & applications · 2026Article
- Roadmap on singular optics and its applications.Applied physics. B, Lasers and optics · 2026Review
- Tailoring Momentum and Information Transfer of Structured Light to Adapted Liquid Crystals.ACS omega · 2025Article
- Doppler effect tailoring: extra-red shift of structured light.Nature communications · 2025Article
- The Effects of Turbulent Biological Tissue on Adjustable Anomalous Vortex Laser Beam.Biomimetics (Basel, Switzerland) · 2025Article
- Subcycle modulation of light's orbital angular momentum via a Fourier space-time transformation.Science advances · 2025Article
Corrections and comments
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Vortices are ubiquitous in nature and can be observed in fluids, condensed matter, and even in the formation of galaxies. Light, too, can evolve like a vortex. Optical vortex beams are exploited in light-matter interaction, free space communications, and imaging. Here, we introduce optical rotatum, a behavior of light in which an optical vortex beam experiences a quadratic chirp in its orbital angular momentum along the optical path. We show that such an adiabatic deformation of topology is associated with the accumulation of a Gouy phase factor, which, in turn, perturbs the propagation constant (spatial frequency) of the beam. The spatial structure of optical rotatum follows a logarithmic spiral-a signature that is commonly seen in the pattern formation of seashells and galaxies. Our work expands the previous literature on structured light, offers new modalities for light-matter interaction, communications, and sensing, and hints at analogous effects in condensed matter physics and Bose-Einstein condensates.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.