Sally Cole Johnson

Editor in Chief

Sally Cole Johnson, Laser Focus World’s editor in chief, 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.

TeraPHY optical I/O chiplet with 4 Terabits/s bidirectional bandwidth.

Optics

A shift to photonics for data center networks and AI is underway

Sally Cole Johnson

Nov. 4, 2024

Ayar Labs’ Terry Thorn, vice president of commercial operations, shares details about the company’s second-gen optical chiplet and light source—with engineering samples out in...

FIGURE 1. The team’s “self-healing” discovery was made while testing a chalcogenide glass made of germanium, antimony, and sulfur.

Optics

‘Self-healing’ chalcogenide glass?

Sally Cole Johnson

Oct. 30, 2024

Researchers discover radiation-induced microscopic defects within chalcogenide glass are gradually annihilated because the glass tends to return to an energetically stable state...

Quantum

Quantum advances and funding are flying

Sally Cole Johnson

Oct. 11, 2024

Plenty of mindbendy quantum advances are flying right now.