The task of gently transporting a microscopic particle from one point to another along a winding path, and then bringing it ...

A misalignment-tolerant multi-pass optical cavity boosts weak Raman signals, doubling path length and enabling stable, sensitive trace gas detection in air. (Nanowerk News) A research team led by Prof ...

Caltech scientists have developed a way to guide light on silicon wafers with low signal loss approaching that of optical fiber at visible wavelengths. This accomplishment paves the way for a new ...