Search results for single-qubit

Quantum Physics Jul 6, 2020

Team obtained high-level control of spin qubit lifetime based on silicon quantum dots

By tuning the direction of the external magnetic field with respect to the crystallographic axis of the silicon wafer, an improvement of spin lifetime (relaxation time) by over two orders of magnitude was reported in silicon ...

Quantum Physics Jul 3, 2020

Wiring a new path to scalable quantum computing

Last year, Google produced a 53-qubit quantum computer that could perform a specific calculation significantly faster than the world's fastest supercomputer. Like most of today's largest quantum computers, this system boasts ...

Nanomaterials Jun 25, 2020

Researchers create a mechanically tunable graphene quantum dot

Precisely manipulating individual charge carriers is a cornerstone for single-electron transistors and for electronic devices of the future, including solid-state quantum bits (qubits). Quantum dots (QDs) are at the heart ...

Quantum Physics Jun 19, 2020

Is teleportation possible? Yes, in the quantum world

"Beam me up" is one of the most famous catchphrases from the Star Trek series. It is the command issued when a character wishes to teleport from a remote location back to the Starship Enterprise.

Quantum Physics Jun 16, 2020

Borrowing from robotics, scientists automate mapping of quantum systems

Scientists at the University of Sydney have adapted techniques from autonomous vehicles and robotics to efficiently assess the performance of quantum devices, an important process to help stabilize the emerging technologies.

Quantum Physics Jun 4, 2020

Arrays of strontium Rydberg atoms show promise for use in quantum computers

A team of researchers at California Institute of Technology has found that arrays of strontium Rydberg atoms show promise for use in a quantum computer. In their paper published in the journal Nature Physics, the researchers ...

Quantum Physics Jun 3, 2020

New method predicts spin dynamics of materials for quantum computing

Researchers at UC Santa Cruz have developed a theoretical foundation and new computational tools for predicting a material's spin dynamics, a key property for building solid-state quantum computing platforms and other applications ...

Quantum Physics Jun 2, 2020

Connecting the quantum internet

Researchers at the Kastler Brossel Laboratory in Paris have succeeded in implementing a novel "hybrid" entanglement swapping protocol, bringing within reach the connection of disparate platforms in a future, heterogeneously ...

Quantum Physics May 22, 2020

A stitch in time: How a quantum physicist invented new code from old tricks

A scientist at the University of Sydney has achieved what one quantum industry insider has described as "something that many researchers thought was impossible".

General Physics May 19, 2020

Detecting individual nuclear spins with single rare-earth ions hosted in crystals

Rare-earth minerals are a class of materials with similar properties that are currently used to build a variety of devices, including LEDs, rechargeable batteries, magnets, lasers, and much more. These materials' electron ...

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