A new hollow optical fiber greatly reduces the "noise" interfering with the signals it transmits compared to the single-mode fibers now widely used, researchers at the University of Rochester report.
Optics & Photonics
Sep 18, 2020
2
238
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
For the first time ever, scientists have witnessed the interaction of a new phase of matter known as "time crystals".
Condensed Matter
Aug 17, 2020
1
11394
Skoltech scientists have shown that quantum enhanced machine learning can be used on quantum (as opposed to classical) data, overcoming a significant slowdown common to these applications and opening a "fertile ground to ...
Quantum Physics
Jul 30, 2020
0
42
Louisiana State University Associate Professor of Physics Mark M. Wilde and his collaborator have solved a 20-year-old problem in quantum information theory on how to calculate entanglement cost—a way to measure entanglement—in ...
Quantum Physics
Jul 29, 2020
0
104
MIT researchers have introduced a quantum computing architecture that can perform low-error quantum computations while also rapidly sharing quantum information between processors. The work represents a key advance toward ...
Quantum Physics
Jul 29, 2020
1
5089
Quantum computers have enormous potential for calculations using novel algorithms and involving amounts of data far beyond the capacity of today's supercomputers. While such computers have been built, they are still in their ...
Quantum Physics
Jul 28, 2020
0
468
Quantum information is a field where the information is encoded into quantum states. Taking advantage of the "quantumness" of these states, scientists can perform more efficient computations and more secure cryptography compared ...
Quantum Physics
Jul 27, 2020
0
65
Researchers from Kazan Federal University, Texas A&M University and Institute of Applied Physics (Russian Academy of Sciences) found ways to direct high frequency gamma radiation by means of acoustics.
Optics & Photonics
Jul 21, 2020
6
2281
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
