Epitaxial regrowth and GaAs can unlock new semiconductor laser markets, argues Richard Hogg. Design engineers might use epitaxial regrowth to enhance semiconductor laser performance and unlock new ...

All in one: A photo of the photonic integrated circuit. The chip was fabricated in layers, with the laser on top and the waveguides at the bottom. (Courtesy: Chao Xiang) Researchers in the US have ...

Researchers have developed a new way to control and manipulate optical signals by embedding a liquid crystal layer into waveguides created with direct laser writing. The new devices enable ...

Tubular laser beams can create what amount to fiber-optic cables made of thin air, researchers report in a study to appear in Physical Review X. Laser-heated air can efficiently transmit light signals ...