Ya Cheng

Photo of Ya Cheng

Ya Cheng received his BS degree from Fudan University in 1993 and PhD degree from the Shanghai Institute of Optics and Fine Mechanics in 1998. He is currently director of the State Key Laboratory of Precision Spectroscopy at the East China Normal University. His research focuses on ultrafast nonlinear optics and photonic integration based on thin film lithium niobate. He is an Optica Fellow and Fellow of the Institute of Physics, UK.


Air Waveguide from “Donut” Laser Beams

A waveguide sculpted in air with lasers transmits light over a distance of nearly 50 meters, which is 60 times farther than previous air-waveguide schemes. Read More »