Sally Cole Johnson

Senior Technical Editor
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Sally Cole Johnson, Laser Focus World’s senior technical editor, is a science and technology journalist who specializes in physics and semiconductors. She wrote for the American Institute of Physics for more than 15 years, complexity for the Santa Fe Institute, and theoretical physics and neuroscience for the Kavli Foundation.

(Image credit: Can Knaut via OpenStreetMap)
Fiber Optics

Physicists demo network of nanophotonic quantum memory nodes atop telecom fiber

May 21, 2024
In this Q&A, Harvard University’s Can Knaut, a doctoral researcher working with Mikhail Lukin, a professor of physics, shares details about their team’s recent demo sending information...
(Image credit: POSTECH)
Test & Measurement

Spectroscopy system manipulates polaritons, unveils quantum electrodynamics

May 13, 2024
An international team of researchers electrically control polaritonic states within plasmonic cavity systems via a new spectroscopy system—even at room temperature—and discover...
(Image credit: Haizeng Li/https://doi.org/10.1002/adfm.202400760)
Optics

Tungsten trioxide nanodots show promise for electrochromic and photochromic devices

May 10, 2024
Researchers fine-tune chromatic properties of tungsten trioxide nanodots by adjusting their size, crystallinity, and surface ligands.