Sally Cole Johnson

Senior Technical Editor

Sally Cole Johnson has worked as a writer for over 20 years, covering physics, semiconductors, electronics, artificial intelligence, the Internet of Things (IoT), optics, photonics, high-performance computing, IT networking and security, neuroscience, and military embedded systems. She served as an associate editor for Laser Focus World in the early 2000s, and rejoined the editorial team as senior technical editor in January 2022.

(Image credit: Óscar Helgason)
Lasers & Sources

Soliton microcombs get a big efficiency bump

Nov. 27, 2023
Researchers improve soliton microcomb efficiency by 10x—and open the door to high-performance lasers for a range of other technologies.
(Image credit: https://doi.org/10.1038/s41377-023-01290-4)
Lasers & Sources

Dirac-vortex topological lasers meet silicon

Nov. 23, 2023
The Dirac-vortex state, a mathematical analog of Majorana fermions (a.k.a. angel particles) within superconducting electronic systems, offers a larger free spectral range than...
(Photo credit: Kapteyn-Murnane Group)
Lasers & Sources

High-harmonic generation light probe reveals spin dynamics within a Heusler compound

Nov. 22, 2023
Researchers tune an extreme ultraviolet high-harmonic generation (EUV HHG) light probe across the magnetic resonances of each element within a Heusler compound and track its electron...