Tiny crystals, known as quantum dots, have enabled an international team to achieve a quantum efficiency exceeding 100 percent in the photocurrent generated in a hybrid inorganic-organic semiconductor.
Optics & Photonics
Aug 4, 2022
0
2140
Quantum memories are one of the building blocks of the future quantum internet. Without them, it would be rather impossible to transmit quantum information over long distances and expand into a real quantum network. These ...
Optics & Photonics
Jul 13, 2022
0
337
A network in which data transmission is perfectly secure against hacking? If physicists have their way, this will become reality one day with the help of the quantum mechanical phenomenon known as entanglement. For entangled ...
Optics & Photonics
Jul 7, 2022
0
600
A team of physicists at the University of Edinburgh's School of Physics and Astronomy has used mathematical calculations to show that quantum communications across interstellar space should be possible. In their paper published ...
University of Chicago physicists have invented a "quantum flute" that, like the Pied Piper, can coerce particles of light to move together in a way that's never been seen before.
Quantum Physics
Jul 6, 2022
0
4013
Quantum collaboration demonstrates in Chicagoland the first steps toward functional long-distance quantum networks over deployed telecom fiber optics, opening the door to scalable quantum computing.
Quantum Physics
Jun 28, 2022
0
310
Qubits are a basic building block for quantum computers, but they're also notoriously fragile—tricky to observe without erasing their information in the process. Now, new research from the University of Colorado Boulder ...
Optics & Photonics
Jun 15, 2022
0
400
Identical light particles (photons) are important for many technologies that are based on quantum physics. A team of researchers from Basel and Bochum has now produced identical photons with different quantum dots—an important ...
Nanophysics
Jun 13, 2022
0
1508
A team of researchers from Xanadu in Canada and the National Institutes of Standards and Technology, in the U.S., is claiming that their quantum computer, Borealis, has achieved computational advantage in taking on the boson ...
Future quantum computers are expected not only to solve particularly tricky computing tasks, but also to be connected to a network for the secure exchange of data. In principle, quantum gates could be used for these purposes. ...
Quantum Physics
May 13, 2022
0
376
