The quantum-mechanical exchange interaction between electrons, a consequence of the Pauli exclusion principle, can be specifically modified with intense infrared light fields on time scales of a few femtoseconds, as time-resolved ...
Optics & Photonics
Apr 12, 2022
1
518
How fast can electronics be? When computer chips work with ever shorter signals and time intervals, at some point they come up against physical limits. The quantum-mechanical processes that enable the generation of electric ...
Quantum Physics
Mar 25, 2022
1
987
Attosecond laser pulses in the extreme ultraviolet (XUV) are a unique tool enabling the observation and control of electron dynamics in atoms, molecules, and solids. Most attosecond laser sources operate at a pulse repetition ...
Optics & Photonics
Mar 22, 2022
0
505
Photonic integrated circuits are essential to many technologies, including fiber-optic communications, mapping systems, and biosensors.
Optics & Photonics
Mar 17, 2022
0
316
Inside every cellphone lies a tiny mechanical heart, beating several billion times a second. These micromechanical resonators play an essential role in cellphone communication. Buffeted by the cacophony of radio frequencies ...
Optics & Photonics
Feb 5, 2022
0
105
In order to better understand (and possibly control) fast chemical reactions, it is necessary to study the behavior of electrons as precisely as possible—in both space and time. However, up to now, microscopy methods have ...
Optics & Photonics
Jan 31, 2022
0
415
Scientists at the National Institute of Standards and Technology (NIST) have invented and demonstrated a novel scheme for substantially improving the detection accuracy of information transmitted in pulses of light through ...
Optics & Photonics
Jan 31, 2022
0
374
Using an innovative new imaging technique, researchers at Weill Cornell Medicine have revealed the inner workings of a family of light-sensing molecules in unprecedented detail and speed. The work could inform new strategies ...
Molecular & Computational biology
Jan 26, 2022
0
28
After the "first quantum revolution"—the development of devices such as lasers and the atomic clock—the "second quantum revolution" is currently in full swing. Experts from all over the world are developing fundamentally ...
Optics & Photonics
Dec 21, 2021
0
398
Common experience tells us that oil and water do not mix. Yet, it turns out that they can mix when oil is dispersed as small droplets in water. This strange behavior has long vexed scientists because there is no explanation ...
Condensed Matter
Dec 13, 2021
1
944
