Researchers in the group of Professor Tobias J. Kippenberg at EPFL’s School of Basic Sciences have now developed a novel approach that uses light to read out superconducting circuits, thus overcoming the scaling challenges of […]
A novel technique for studying vortices in quantum fluids has been developed by physicists. Turbulence in quantum systems, for example in superfluid helium 4, takes place on microscopic scales, and so far scientists have not […]
The promise of a quantum internet depends on the complexities of harnessing light to transmit quantum information over fiber optic networks. A potential step forward was reported today by researchers who developed integrated chips that […]
An international team of researchers came closer to unraveling the complicated optical response of wide-bandgap semiconductor multiple quantum wells and how atomic-scale lattice vibration can generate free space terahertz emission. Their work provides a significant […]
A Chinese research team from the University of Science and Technology of China (USTC) has successfully designed a 62-qubit programmable superconducting quantum processor, naming it Zu Chongzhi after the noted 5th century Chinese mathematician and astronomer. The […]
Scientists at Raytheon BBN Technologies have developed a new way to detect a single photon — a development with big applications for sensors, communications and exponentially more powerful quantum computer processors. Josephson junctions are superconducting […]
Researchers at the National Institute of Standards and Technology (NIST) have “entangled” two small mechanical drums and precisely measured their linked quantum properties. Entangled pairs like this might someday perform computations and transmit data in […]
The ability to selectively measure, initialize, and reuse qubits during a quantum circuit enables a mapping of the spatial structure of certain tensor-network states onto the dynamics of quantum circuits, thereby achieving dramatic resource savings […]
Researchers at the University of Stuttgart were able to detect qubits in two-dimensional materials for the first time. Quantum computers or quantum sensors consist of materials that are completely different to their classical predecessors. These […]
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 […]
In quantum mechanics, the Heisenberg uncertainty principle dictates that the position and speed of an object cannot both be known fully precisely at the same time. Researchers now show that two vibrating drumheads, the size […]
A team of French and Dutch researchers present a general signal processing method for processing, analysing and representing electrical quantum currents directly at the level of individual electronic wave functions.
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.