Researchers have developed the first fiber laser that can produce femtosecond pulses in the visible range of the electromagnetic spectrum. Fiber lasers producing ultrashort, bright visible-wavelength pulses could be useful ...
Optics & Photonics
Jul 6, 2023
1
203
Ph.D. candidate Petr Steindl creates complex structures of light using single photons. As a teenager, he wanted to study Czech poetry but decided on quantum physics. "Looking back, I am glad I switched fields," he says. On ...
Optics & Photonics
Jul 5, 2023
1
21
Since the scientists at Bell Labs invented the world's first transistor in December 1947, a revolution in microelectronics technology has profoundly affected lifestyles worldwide. As electronics get smaller and smaller, it ...
Nanophysics
Jul 5, 2023
0
10
An optical isolator developed at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) could drastically improve optical systems for many practical applications.
Optics & Photonics
Jun 29, 2023
0
166
Silicon (Si) photonics has recently emerged as a key enabling technology in many application fields thanks to the mature Si process technology, the large silicon wafer size, and Si optical properties. However, the inability ...
Optics & Photonics
Jun 27, 2023
0
3
Using a new technique, researchers at the University of Basel have succeeded in cooling a small membrane down to temperatures close to absolute zero using only laser light. Such extremely cooled membranes could, for instance, ...
Optics & Photonics
Jun 26, 2023
0
32
Ultrasound is a promising technique for treating cancer. Unlike laser light, used in photodynamic cancer therapy, ultrasound waves can reach deep into tissue—up to 12 cm—to treat deep tumors without damaging healthy cells. ...
Bio & Medicine
Jun 14, 2023
0
145
The depths of the oceans are home to a complex ecosystem of marine organisms, but also a vast network of cables spanning the globe that aid communications. Earthquakes and tsunamis can potentially damage these important cables. ...
Bioprinting is the printing of living cells and tissues. It's a promising technique that hopefully, one day, can solve the organ donor shortage by growing organs from patients' own cells. However, printing living tissues ...
Biotechnology
Jun 12, 2023
0
5
The thorium isotope with the mass number 229 (229Th) is highly exciting in many respects—for fundamental physics as well as for future applications, for example in the sense of a nuclear clock.
General Physics
Jun 1, 2023
0
165
