Quantum walks are the quantum mechanical analog of classical random walks and an extremely powerful tool in quantum simulations, quantum search algorithms, and even for universal quantum computing. A team of researchers have designed and […]
About a year ago, a team from the Institute of Physics at Julius-Maximilians-Universität (JMU) Würzburg in Bavaria, Germany, succeeded in creating spin defects, also known as qubits, in a layered crystal of boron nitride and […]
Researchers at University of Chicago showed how to bring multiple molecules at once into a single quantum state — one of the most important goals in quantum physics. One of the essential states of matter […]
A Lawrence Berkeley National Laboratory-led international team of researchers has discovered a way to use ion beams to create long strings of “color center” qubits in diamond. Creating large numbers of high-quality qubits, in close […]
Scientists from the University of Bristol’s Quantum Engineering Technology Labs (QETLabs) have developed a Machine Learning algorithm that provides valuable insights into the physics underlying quantum systems. The team from QET Labs has described an algorithm which […]
Josephson junctions are simple superconducting devices comprising an insulator or semiconductor separating two superconducting regions. They form the workhorse of superconducting technologies and are exquisitely sensitive to magnetic field. One long-sought proposal has been to […]
Researchers at Chalmers University of Technology, Sweden, have developed a novel type of thermometer that can simply and quickly measure temperatures during quantum calculations with extremely high accuracy. The breakthrough provides a benchmarking tool for quantum computing. In […]
Photon loss in optical fibers prevents long-distance distribution of quantum information on the ground. Quantum repeater is proposed to overcome this problem, but the communication distance is still limited so far because of the system […]
In a world first, researchers from the Okinawa Institute of Science and Technology Graduate University (OIST) have captured an image showing the internal orbits, or spatial distribution, of particles in an exciton—a goal that had […]
At the AWS Center for Quantum Computing, Amazon’s scientists are doing scientific research and development on Quantum Computing algorithms and hardware. They posted a summary of their findings from their first architecture paper that describes a theoretical […]
Ensuring the correct functioning of Quantum Error Correction (QEC) circuits is crucial to achieve fault tolerance in realistic quantum processors subjected to noise. The first checkpoint for a fully operational QEC circuit is to create […]
A new study outlines the need for materials advances in the hardware that goes into making quantum computers. The team of researchers surveyed the state of research on quantum computing hardware with the goal of […]
Squeezed light sources are a fundamental building block of photonic technologies for quantum information processing. Squeezing is an essential resource for quantum sensing and a wide range of quantum computing algorithms. Recently, much effort has […]
A study proposes iron-based superconducting thin films as a platform for magnetic field-controlled Majorana fermions, advancing topological quantum computing potential.
EPFL and the Paul Scherrer Institute have studied a discontinuous phase transition to observe the first ever critical point in a quantum magnet, similar to that of water.
Researchers at Karlsruhe Institute of Technology (KIT) and Chimie ParisTech/CNRS have now significantly advanced the development of molecule-based materials suitable for use as light-addressable fundamental quantum units. They have demonstrated for the first time the […]
A detector made from superconducting qubits could allow researchers to search for dark matter particles 1000 times faster than other techniques can. Dark matter particles, such as axions and hidden photons, are theorized to occasionally […]
Honeywell Quantum proposes the trapped-ion Quantum Charge-Coupled Device (QCCD) which lays out a blueprint for a universal quantum computer that uses mobile ions as qubits. Analogous to a Charge-Coupled Device (CCD) camera, which stores and processes […]
Strong spin-orbit interactions make hole quantum dots central to the quest for electrical spin qubit manipulation enabling fast, low-power, scalable quantum computation. Yet it is important to establish to what extent spin-orbit coupling exposes qubits […]
Quantum Motion, an UK-based startup, has announced a quantum computing breakthrough, demonstrating that a stable qubit can be created on a standard silicon chip. The startup, which has a team of 20 people at the […]
A team at the University of Science and Technology of China put forward an innovative spin-to-charge conversion method to achieve high-fidelity readout of qubits, stepping closer towards fault-tolerant quantum computing. Fault-tolerant Quantum Computing requires the […]
The detection of nuclear spins using individual electron spins has enabled diverse opportunities in quantum sensing and quantum information processing. Proof-of-principle experiments have demonstrated atomic-scale imaging of nuclear-spin samples and controlled multi-qubit registers. However, to […]
Researchers have developed a QKD receiver chip featuring the full photonic circuitry needed for different time-based protocols, including single-photon detectors.
Quantum systems are promising candidates for sensing of weak signals as they can be highly sensitive to external perturbations, thus providing excellent performance when estimating parameters of external fields. However, when trying to detect weak […]
Researchers at the Max Planck Institute of Quantum Optics have developed a detection method that can be used to track quantum transmissions. Quantum information is sent over long distances in the form of photons which are […]