A team of Australian quantum theorists has shown how to break a bound that had been believed, for 60 years, to fundamentally limit the coherence of lasers.
Optics & Photonics
Oct 27, 2020
2
926
Quantum bits, or qubits, can hold quantum information much longer now thanks to efforts by an international research team. The researchers have increased the retention time, or coherence time, to 10 milliseconds—10,000 ...
Quantum Physics
Sep 4, 2020
3
4574
A group of international scientists have substantially lengthened the duration of time that a spin-orbit qubit in silicon can retain quantum information for, opening up a new pathway to make silicon quantum computers more ...
Quantum Physics
Jul 20, 2020
0
723
Researchers have shown that a detection technology borrowed from quantum optics can be used to perform optical coherence tomography (OCT) with much lower light power than previously possible. This could greatly improve the ...
Optics & Photonics
Jun 17, 2020
1
151
As policymakers increasingly turn toward science in addressing global climate change, one Michigan State University scientist is looking to nature to develop the next generation of solar energy technology.
Biochemistry
Jun 11, 2020
1
4061
Researchers at Linköping University have discovered a quantum phenomenon that influences the formation of free charges in organic solar cells. "If we can properly understand what's going on, we can increase the efficiency," ...
Quantum Physics
Mar 26, 2020
0
499
A team at the University of Tsukuba studied a novel process for creating coherent lattice waves inside silicon crystals using ultrashort laser pulses. Using theoretical calculations combined with experimental results that ...
Quantum Physics
Jun 19, 2019
0
15
Scientists at Tokyo Institute of Technology and Keio University investigated the excitation and detection of photogenerated coherent phonons in polar semiconductor GaAs through an ultrafast dual pump-probe laser for quantum ...
Optics & Photonics
May 22, 2019
0
103
A team of researchers at Utrecht University, the Norwegian University of Science and Technology and the University of Konstanz has recently proposed a new method to determine magnon coherence in solid-state devices. Their ...
A team of researchers at the Centre de Nanosciences et de Nanotechnologies (C2N, CNRS/Univ. Paris-Saclay) has experimentally achieved the coherent propagation of electrons in circuits over macroscopic distances through a ...
Quantum Physics
May 17, 2019
0
94
