A 200-year-old physics experiment could help build future computers
Researchers have utilized the 200-year-old Poisson spot effect to create complex light structures known as optical skyrmions. This simplified method replaces expensive materials with basic lasers and circular discs to generate stable data-carrying patterns.
Scientists at Nanyang Technological University in Singapore have demonstrated a new method for generating optical skyrmions by leveraging the Poisson spot, a phenomenon first debated in the early 19th century. By shining a laser at a small circular obstacle, they created stable, swirling light patterns that were previously difficult to produce without specialized equipment.
These exotic light structures are of significant interest to the tech industry due to their robustness and topological properties. Unlike conventional light beams, skyrmions maintain their integrity over long distances and through various environments, making them ideal candidates for high-density information encoding.
The ability to create these patterns using simple laboratory components significantly lowers the barrier for developing next-generation hardware. Potential applications for this discovery include advanced optical communications, more efficient data storage solutions, and new architectures for photonic computing. Source: Nanyang Technological University.
