Caltech breakthrough brings fiber-optic performance to silicon chips

Caltech researchers developed a method to print ultralow-loss optical circuits made from germano-silicate glass on silicon wafers, achieving fiber-optic-level performance especially at visible wavelengths. This breakthrough could enable advanced photonic integrated circuits for applications including optical clocks, gyroscopes, quantum computing, and AI data center communications.

This Wire brief sits within Fusion42's coverage of Photonics & Optics.