Caltech Researchers Achieve Fiber-Optic Efficiency on Silicon Chips

Scientists at Caltech have developed ultra-low-loss optical pathways on silicon chips, achieving efficiency levels comparable to fiber optics at visible wavelengths. This breakthrough, published in Nature, significantly outperforms existing technology and could lead to more powerful lasers, miniature atomic sensors, advanced quantum systems, and energy-efficient data centers. It enables highly coherent and energy-efficient photonic integrated circuits, impacting various technological fields.