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Search results for single-qubit

Quantum Âé¶¹ÒùÔºics Jan 12, 2023

Quantum computers threaten our whole cybersecurity infrastructure: Here's how scientists can bulletproof it

Thirteen, 53 and 433. That's the size of quantum computers in terms of quantum bits, or qubits, which has significantly grown in the last years due to important public and private investments and initiatives. Obviously, it ...

Condensed Matter Jan 12, 2023

New spin control method brings billion-qubit quantum chips closer

Australian engineers have discovered a new way of precisely controlling single electrons nestled in quantum dots that run logic gates. What's more, the new mechanism is less bulky and requires fewer parts, which could prove ...

Quantum Âé¶¹ÒùÔºics Jan 12, 2023

A new qubit approach for more stable states for quantum computers

Quantum computers can more rapidly process large amounts of data, because they carry out many computation steps in parallel. The information carrier of the quantum computer is a qubit. Qubits do not only possess the information ...

Condensed Matter Jan 10, 2023

A new milestone for light-driven electronics

An international team of scientists collaborating within the Würzburg-Dresden Cluster of Excellence ct.qmat has achieved a breakthrough in quantum research—the first detection of excitons (electrically neutral quasiparticles) ...

Quantum Âé¶¹ÒùÔºics Jan 5, 2023

New quantum computing architecture could be used to connect large-scale devices

Quantum computers hold the promise of performing certain tasks that are intractable even on the world's most powerful supercomputers. In the future, scientists anticipate using quantum computing to emulate materials systems, ...

Optics & Photonics Jan 3, 2023

Chip circuit for light could be applied to quantum computations

The ability to transmit and manipulate, with minimal loss, the smallest unit of light—the photon—plays a pivotal role in optical communications as well as designs for quantum computers that would use light rather than ...

Optics & Photonics Dec 28, 2022

High-visibility quantum interference between two independent semiconductor quantum dots achieved

This year's Nobel Prize in Âé¶¹ÒùÔºics celebrated the fundamental interest of quantum entanglement, and also envisioned the potential applications in "the second quantum revolution"—a new age when we are able to manipulate ...

Quantum Âé¶¹ÒùÔºics Dec 21, 2022

Researchers use quantum mechanics to see objects without looking at them

We see the world around us because light is being absorbed by specialized cells in our retina. But can vision happen without any absorption at all—without even a single particle of light? Surprisingly, the answer is yes.

Nanophysics Dec 20, 2022

Coherent manipulation of spin qubits at room temperature

A research group led by Prof. Wu Kaifeng from the Dalian Institute of Chemical Âé¶¹ÒùÔºics (DICP), Chinese Academy of Sciences recently reported the successful initialization, coherent quantum-state control, and readout of spins ...

Quantum Âé¶¹ÒùÔºics Dec 18, 2022

Study uncovers existing limitations in the detection of entanglement

Quantum entanglement is a process through which two particles become entangled and remain connected over time, even when separated by large distances. Detecting this phenomenon is of crucial importance for both the development ...

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