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Quantum Physics Sep 29, 2022

New superconducting qubit testbed benefits quantum information science development

If you've ever tried to carry on a conversation in a noisy room, you'll be able to relate to the scientists and engineers trying to "hear" the signals from experimental quantum computing devices called qubits. These basic ...

Quantum Physics Sep 28, 2022

Engineering robust and scalable molecular qubits

The concept of "symmetry" is essential to fundamental physics: a crucial element in everything from subatomic particles to macroscopic crystals. Accordingly, a lack of symmetry—or asymmetry—can drastically affect the ...

Quantum Physics 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 ...

Optics & Photonics Sep 22, 2022

'Twisty' photons could turbocharge next-gen quantum communication

Quantum computers and communication devices work by encoding information into individual or entangled photons, enabling data to be quantum securely transmitted and manipulated exponentially faster than is possible with conventional ...

Quantum Physics Sep 22, 2022

Developing a key element for scalable quantum computers

Quantum computers have the potential to vastly exceed the capabilities of conventional computers for certain tasks. But there is still a long way to go before they can help to solve real-world problems. Many applications ...

Superconductivity Sep 22, 2022

Manufacturing of quantum qubits connected with conventional computer devices

Computers that can make use of the "spooky" properties of quantum mechanics to solve problems faster than current technology may sound alluring, but first they must overcome a massive disadvantage. Scientists from Japan may ...

Quantum Physics Sep 15, 2022

Double-transmon coupler will realize faster, more accurate superconducting quantum computers

Researchers at Toshiba Corporation have achieved a breakthrough in quantum computer architecture: the basic design for a double-transmon coupler that will improve the speed and accuracy of quantum computation in tunable couplers. ...

Quantum Physics Sep 15, 2022

MBE-CQEC: A new scheme to correct quantum errors

Quantum computers hold enormous promise in our big data world. If researchers can harness their potential, these devices could perform massively complex computations at lightning speed.

Quantum Physics Sep 13, 2022

Building better quantum sensors

Usually, a defect in a diamond is a bad thing. But for engineers, miniscule blips in a diamond's otherwise stiff crystal structure are paving the way for ultrasensitive quantum sensors that push the limits of today's technologies. ...

Quantum Physics Sep 13, 2022

New quantum algorithm solves critical quantum chemistry problem through adaptation along a geometric path

A team of researchers from the U.S. Department of Energy's (DOE) Brookhaven National Laboratory and Stony Brook University have devised a new quantum algorithm to compute the lowest energies of molecules at specific configurations ...

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