Optical rotatum” is the term researchers coined to describe a newly discovered structure of light. Beams of light that can be ...

More information: Zhengsen Ruan et al, Flexible orbital angular momentum mode switching in multimode fibre using an optical neural network chip, Light: Advanced Manufacturing (2024). DOI ...

However, this new study challenges that notion. "We have demonstrated that by using optical vortex beams—light beams that ...

The optical rotatum was created in the lab of ... In a peculiar twist, the researchers found that their orbital angular momentum-carrying beam of light grows in a mathematically recognizable ...