In a recent study, researchers developed a novel graphene-enabled photodetector that operates at room temperature, is highly sensitive, fast, has a wide dynamic range, and covers a broad range of THz frequencies. The researchers ...
Nanomaterials
Apr 16, 2019
0
57
Light-by-light scattering is a very rare phenomenon in which two photons interact, producing another pair of photons. This process was among the earliest predictions of quantum electrodynamics (QED), the quantum theory of ...
General Physics
Mar 20, 2019
0
856
During the formation of a black hole, a bright burst of very energetic light in the form of gamma rays is produced, these events are called gamma ray bursts. The physics behind this phenomenon includes many of the least understood ...
Astronomy
Jan 14, 2019
4
164
Scientists have moved quantum optic networks a step closer to reality. The ability to precisely control the interactions of light and matter at the nanoscale could help such a network transmit larger amounts of data more ...
Nanophysics
Jan 08, 2019
0
92
For the first time, a University of Michigan chemist has used quantum entanglement to examine protein structures, a process that requires only a very small number of photons of light.
Condensed Matter
Dec 06, 2018
0
378
Scientists from the Higher School of Economics have developed a method that allows physicists at the Large Hadron Collider (LHC) to separate between various types of elementary particles with a high degree of accuracy. The ...
General Physics
Nov 01, 2018
0
27
Just like merry people at a party, photons perform random walks through white paint; but their density remained out of control. Recently, scientists at the University of Twente in the Netherlands have managed to control the ...
Optics & Photonics
Jun 28, 2018
0
69
Phonons are discrete units of vibrational energy predicted by quantum mechanics that correspond to collective oscillations of atoms inside a molecule or a crystal. When such vibrations are produced by light interacting with ...
Quantum Physics
Jun 05, 2018
1
577
A concept for a novel X-ray microscope promises three-dimensional images of delicate objects like biological cells using a thousand times less damaging radiation than conventional methods. The novel microscope would allow ...
Optics & Photonics
Apr 13, 2018
0
7
In laser facilities in the UK, Imperial physicists are testing an 84-year-old theory which was once thought impossible to prove.
Optics & Photonics
Mar 20, 2018
0
654
