Using a specially engineered beam of light from an ultrafast laser, UC San Diego engineers demonstrate a new approach to switch magnetic information in materials without using an external magnetic field. Photos by David Baillot/UC San Diego Jacobs School of EngineeringBy Shaping and Shrinking Light, Engineers Alter a Material's Magnetic Properties
September 27, 2026
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Using a specially engineered beam of light from an ultrafast laser, UC San Diego engineers demonstrate a new approach to switch magnetic information in materials without using an external magnetic field. Photos by David Baillot/UC San Diego Jacobs School of Engineering
