The connection between microscopic material properties and qubit coherence are not well understood despite practical evidence that material imperfections present an obstacle to applications of superconducting qubits. In a ...
Even though quantum computers are a young technology and aren't yet ready for routine practical use, researchers have already been investigating the theoretical constraints that will bound quantum technologies. One of the ...
Quantum Physics
Aug 5, 2021
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1244
A team of physicists from the Harvard-MIT Center for Ultracold Atoms and other universities has developed a special type of quantum computer known as a programmable quantum simulator capable of operating with 256 quantum ...
Optics & Photonics
Jul 8, 2021
3
5584
Quantum computers could outperform classical computers at many tasks, but only if the errors that are an inevitable part of computational tasks are isolated rather than widespread events. Now, researchers at the University ...
Quantum Physics
Jun 16, 2021
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214
A new study outlines the need for materials advances in the hardware that goes into making quantum computers if these futuristic devices are to surpass the abilities of the computers we use today.
Quantum Physics
Apr 19, 2021
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1986
The secret to building superconducting quantum computers with massive processing power may be an ordinary telecommunications technology—optical fiber.
Optics & Photonics
Mar 24, 2021
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4049
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
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3395
One of the chief obstacles facing quantum computer designers—correcting the errors that creep into a processor's calculations—could be overcome with a new approach by physicists from the National Institute of Standards ...
Quantum Physics
Dec 9, 2020
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243
Researchers from the Centre of Excellence for Quantum Computation and Communication Technology (CQC2T) working with Silicon Quantum Computing (SQC) have located the 'sweet spot' for positioning qubits in silicon to scale ...
Quantum Physics
Nov 30, 2020
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816
With their ability to harness the strange powers of quantum mechanics, qubits are the basis for potentially world-changing technologies—like powerful new types of computers or ultra-precise sensors.
Quantum Physics
Nov 13, 2020
10
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