Physicists at the University of Innsbruck have succeeded in creating hot Schrödinger cat states in a superconducting microwave resonator.

Physicists measured how readily a current of electron pairs flows through "magic-angle" graphene, a major step toward understanding how this unusual material superconducts.

Hot gases composed of metal ions and electrons, called plasmas, are widely used in many manufacturing processes, chemical synthesis, and metal extraction from ores and welding. A collaborative research group from Tohoku University and the Toyohashi University of Technology has invented a new and efficient method to create metallic plasmas from solid metals under a strong magnetic field in a microwave resonator.…

Quantum technologies, a wide range of devices that operate by leveraging the principles of quantum mechanics, could significantly outperform classical devices on some tasks. Physicists and engineers worldwide have thus been working hard to achieve this long-sought "quantum advantage" over classical computing approaches.

Can a small machine that makes error correction easier upend the market?

Kater Murch, professor of physics in Arts & Sciences, helped an Argonne Laboratory team with their effort to create a new form of qubit, reported in a recent Nature paper. This system shows great promise to be developed into ideal building blocks for future quantum computers.

Amazon, Google, IBM, and many others are racing to create a practical quantum computer from a variety of qubit platforms. However, all qubits today are extraordinarily fragile to outside interference. Individual electrons floating above a surface of frozen neon offer a tantalizing new technology.

Putting two grapes, or a single grape almost cut in half, in a microwave creates a spectacular show.

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Scientists have developed a qubit platform formed by freezing neon gas into a solid, spraying electrons from a light bulb's filament onto it, and trapping a single electron there. This system shows great promise as an ideal building block for quantum computers.

A new qubit platform could transform quantum information science and technology. You are no doubt viewing this article on a digital device whose basic unit of information is the bit, either 0 or 1. Scientists around the world are racing to develop a new type of computer based on the use of quantum

Inside every cellphone lies a tiny mechanical heart, beating several billion times a second. These micromechanical resonators play an essential role in cellphone communication. Buffeted by the cacophony of radio frequencies in the airwaves, these resonators select just the right frequencies for transmitting and receiving signals between mobile devices.

Researchers from the University of Tsukuba have shown how adding a tiny resonator structure to an ultrafast electron pulse detector reduced the intensity of terahertz radiation required to characterize the pulse duration.

They hope it can be used to facilitate data transfer for quantum computing.

Over the past few decades, quantum physicists and engineers have been trying to develop new, reliable quantum communication systems. These systems could ultimately serve as a testbed to evaluate and advance communication protocols.

Researchers from the labs of Lan Yang, the Edwin H. & Florence G. Skinner Professor, and Xuan "Silvia" Zhang, associate professor, at the McKelvey School of Engineering at Washington University in St. Louis, have developed the first fully integrated parity-time symmetric electronic system.

A research team headed by Academician Guo Guangcan and Prof. Dong Chunhua from the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences (CAS) has made progress in designing a magno-optomechanical hybrid system.

Magnetic interactions could point to miniaturizable quantum devices.

Researchers developed a special type of amplifier that uses a technique known as squeezing to amplify quantum signals by a factor of 100 while reducing the noise that is inherent in quantum systems by an order of magnitude. Their device is the first to demonstrate squeezing over a broad frequency bandwidth of 1.75 gigahertz, nearly two orders of magnitude higher than other architectures.

A certain amount of noise is inherent in any quantum system. For instance, when researchers want to read information from a quantum computer, which harnesses quantum mechanical phenomena to solve certain problems too complex for classical computers, the same quantum mechanics also imparts a minimum level of unavoidable error that limits the accuracy of the measurements.