Optics Daily · Thursday, October 8, 2026
opticsnews

Levitated Glass Nanosphere Entangled with Light at Room Temperature
A Science paper reports that a glass nanosphere levitated in an optical trap becomes entangled with a light field at room temperature, offering a new platform for macroscopic quantum mechanics research; UCSD uses specially shaped ultrafast laser beams to switch magnetic information in materials without an external magnetic field.
Technology & Research
Levitated Glass Nanosphere Entangled with Light at Room Temperature
A paper in Science reports that researchers entangled a levitated glass nanosphere with an optical field in an optical trap, achieving the feat at room temperature and providing a new platform for studying macroscopic quantum mechanics.
UC San Diego Switches Magnetic Information in Materials Using Structured Light
Engineers at the University of California, San Diego, have demonstrated a new method for switching magnetic information in materials without an applied magnetic field, using specially shaped ultrafast laser beams.