Caltech scientists have developed a way to guide light on silicon wafers with low signal loss approaching that of optical ...

For many years, cesium atomic clocks have been reliably keeping time around the world. But the future belongs to even more accurate clocks: optical atomic clocks. In a few years' time, they could ...

Professor Ivan Smalyukh has been named a Fellow of Optica (formerly OSA) for his innovative research in soft condensed matter and optical physics. The election to Fellow is reserved for Optica members ...

Physics is the study of the underlying laws and mechanisms explaining how the universe works. Most of what we do in daily life is based on a principle or law of physics—dealing with forces, motion, ...