Quantum particles lined up in a lattice form the basis for an error-tolerant quantum processor. Credit: Uni Innsbruck/Harald Ritsch Even computers can miscalculate. Already small disturbances change stored information and corrupt results. That is why computers use methods to continuously correct such errors. In quantum computers, the vulnerability to errors […]

Optimized quantum algorithms present solution to Fermi-Hubbard model on near-term hardware. Researchers from the University of Bristol and quantum start-up, Phasecraft, have advanced quantum computing research, bringing practical hybrid quantum-classical computing one step closer. The team, led by Bristol researcher and Phasecraft co-founder, Dr. Ashley Montanaro, has discovered algorithms and analysis which significantly lessen […]

This illustration of a nanoscale node created by the lab of Nick Vamivakas, professor of quantum optics and quantum physics, shows a closeup of one of an array pillars, each a mere 120 nanometers high. Each pillar serves as a location marker for a quantum state that can interact with […]

Majorana Zero Energy Modes are found at the edge of 2D topological superconductors. Credit: Alex Tokarev, Ella Maru Studio Aalto University New research, published in Nature, has measured highly sought-after Majorana quantum states. A team of theoretical and experimental physicists have designed a new ultra-thin material that they have used to […]

Atomic-scale image of two interacting donors in silicon. Credit: CQC2T Australian researchers have located the ‘sweet spot’ for positioning qubits in silicon to scale up atom-based quantum processors. Researchers from the Centre of Excellence for Quantum Computation and Communication Technology (CQC2T) working with Silicon Quantum Computing (SQC) have located the ‘sweet […]

The Google Quantum Computer. Credit: Eric Lucero/Google, Inc. Researchers led by City College of New York physicist Pouyan Ghaemi report the development of a quantum algorithm with the potential to study a class of many-electron quantums system using quantum computers. Their paper, entitled “Creating and Manipulating a Laughlin-Type ν=1/3 Fractional […]

Compression of a circuit that has an initial volume of 882 using the proposed method. The reduced circuit has a volume of 420, less than half its original volume. Credit: © National Institute of Informatics A major technical challenge for any practical, real-world quantum computer comes from the need for […]

Fiber optics couple laser light directly into the ion-trap chip. When in use, the chip is cooled to cryogenic temperatures in a vacuum chamber, and waveguides on the chip deliver the light to an ion trapped right above the chip’s surface for performing quantum computation. Credit: Image courtesy of the […]

The integrated detector combines a silicon photonic chip with a silicon micro-electronics chip, yielding advanced speed in detecting quantum light. Credit: University of Bristol Researchers have developed a tiny device that paves the way for higher performance quantum computers and quantum communications, making them significantly faster than the current state-of-the-art. […]

Artist’s rendering of a method of measuring and controlling quantum spins developed at Princeton University. Credit: Rachel Davidowitz When atoms get extremely close, they develop intriguing interactions that could be harnessed to create new generations of computing and other technologies. These interactions in the realm of quantum physics have proven […]