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Search results for single-qubit

Quantum Âé¶¹ÒùÔºics Nov 2, 2022

A method to characterize large quantum computers using only a single measurement setting

Quantum devices are becoming ever more complex and powerful. Researchers at the University of Innsbruck, in collaboration with the Johannes Kepler University Linz and the University of Technology Sydney, are now presenting ...

Quantum Âé¶¹ÒùÔºics Oct 28, 2022

Universal parity quantum computing, a new architecture that overcomes performance limitations

The computing power of quantum machines is currently still very low. Increasing performance is a major challenge. Âé¶¹ÒùÔºicists at the University of Innsbruck, Austria, now present a new architecture for a universal quantum ...

Condensed Matter Oct 25, 2022

Researchers create first quasiparticle Bose-Einstein condensate

Âé¶¹ÒùÔºicists have created the first Bose-Einstein condensate—the mysterious fifth state of matter—made from quasiparticles, entities that do not count as elementary particles but that can still have elementary-particle ...

Optics & Photonics Oct 21, 2022

Single-phonon readout and ground-state cooling with trapped electron brings quantum computing one step closer

Quantum computers are powerful computational devices that rely on quantum mechanics, or the science of how particles like electrons and atoms interact with the world around them. These devices could potentially be used to ...

Quantum Âé¶¹ÒùÔºics Oct 18, 2022

New laboratory to explore the quantum mysteries of nuclear materials

Replete with tunneling particles, electron wells, charmed quarks and zombie cats, quantum mechanics takes everything Sir Isaac Newton taught about physics and throws it out the window.

Quantum Âé¶¹ÒùÔºics Oct 13, 2022

New measurements quantifying qudits provide glimpse of quantum future

Using existing experimental and computational resources, a multi-institutional team has developed an effective method for measuring high-dimensional qudits encoded in quantum frequency combs, which are a type of photon source, ...

Superconductivity Oct 13, 2022

Âé¶¹ÒùÔºicists reach qubit computing breakthrough

Researchers from Arizona State University and Zhejiang University in China, along with two theorists from the United Kingdom, have been able to demonstrate for the first time that large numbers of quantum bits, or qubits, ...

Quantum Âé¶¹ÒùÔºics Oct 6, 2022

In race toward quantum computing, North Carolina takes center stage

In the 1950s, computers were bulky, inefficient and limited. They ate up entire rooms but couldn't go beyond rudimentary calculations.

Optics & Photonics Oct 6, 2022

A new method to enable efficient interactions between photons

Photons, particles that represent a quantum of light, have shown great potential for the development of new quantum technologies. More specifically, physicists have been exploring the possibility of creating photonic qubits ...

Quantum Âé¶¹ÒùÔºics Sep 28, 2022

Full control of a six-qubit quantum processor in silicon

Researchers at QuTech—a collaboration between the Delft University of Technology and TNO—have engineered a record number of six, silicon-based, spin qubits in a fully interoperable array. Importantly, the qubits can be ...

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