The secret to building superconducting quantum computers with massive processing power may be an ordinary telecommunications technology—optical fiber.
Optics & Photonics
Mar 24, 2021
0
4049
CPUs are built using semiconductor technology, which is capable of putting billions of transistors onto a single chip. Now, researchers from the group of Menno Veldhorst at QuTech, a collaboration between TU Delft and TNO, ...
Nanophysics
Mar 24, 2021
0
55
Many machine learning algorithms on quantum computers suffer from the dreaded "barren plateau" of unsolvability, where they run into dead ends on optimization problems. This challenge had been relatively unstudied—until ...
Quantum Physics
Mar 19, 2021
2
4688
A Russian-German research team has created a quantum sensor that grants access to measurement and manipulation of individual two-level defects in qubits. The study by NUST MISIS, Russian Quantum Center and the Karlsruhe Institute ...
Quantum Physics
Mar 18, 2021
0
677
In a breakthrough for quantum computing, University of Chicago researchers have sent entangled qubit states through a communication cable linking one quantum network node to a second node.
Quantum Physics
Feb 25, 2021
0
2624
The quantum computer race is in full swing. Germany has long been one of the world leaders in basic research. An alliance between Forschungszentrum Jülich and the semiconductor manufacturer Infinion, together with institutes ...
Quantum Physics
Feb 24, 2021
0
49
A team of quantum theorists seeking to cure a basic problem with quantum annealing computers—they have to run at a relatively slow pace to operate properly—found something intriguing instead. While probing how quantum ...
Quantum Physics
Feb 22, 2021
6
3395
Building a universal quantum computer is a challenging task because of the fragility of quantum bits, or qubits for short. To deal with this problem, various types of error correction have been developed. Conventional methods ...
Quantum Physics
Feb 18, 2021
0
112
Aalto researchers have used an IBM quantum computer to explore an overlooked area of physics, and have challenged 100-year-old notions about information at the quantum level.
Quantum Physics
Feb 15, 2021
8
4509
To build a universal quantum computer from fragile quantum components, effective implementation of quantum error correction (QEC) is an essential requirement and a central challenge. QEC is used in quantum computing, which ...
Quantum Physics
Feb 12, 2021
0
478
