Quantum Computers News

April 23, 2024

Top Headlines

Apr. 19, 2024 — An international collaboration of researchers has achieved a significant breakthrough in quantum technology, with the successful demonstration of quantum interference among several single photons using a novel resource-efficient platform. The work ...

Crucial Connection for 'Quantum Internet' Made for the First Time

Apr. 16, 2024 — Researchers have produced, stored, and retrieved quantum information for the first time, a critical step in quantum ...

Quantum Precision: A New Kind of Resistor

Apr. 15, 2024 — Researchers have developed a method that can improve the performance of quantum resistance standards. It's based on a quantum phenomenon called Quantum Anomalous Hall ...

Breakthrough Promises Secure Quantum Computing at Home

Apr. 11, 2024 — The full power of next-generation quantum computing could soon be harnessed by millions of individuals and companies, thanks to a breakthrough guaranteeing security and privacy. This advance promises to unlock the transformative potential of ...

Latest Headlines

updated 1:51pm EDT

Will the Convergence of Light and Matter in Janus Particles Transcend Performance Limitations in the Optical Display Industry?

Apr. 8, 2024 — Team successfully exerted electrical control over polaritons, hybridized light-matter particles, at room ...

Quantum Breakthrough When Light Makes Materials Magnetic

Apr. 10, 2024 — The potential of quantum technology is huge but is today largely limited to the extremely cold environments of laboratories. Now, researchers have succeeded in demonstrating for the very first time ...

New Method of Measuring Qubits Promises Ease of Scalability in a Microscopic Package

Apr. 10, 2024 — The path to quantum supremacy is made challenging by the issues associated with scaling up the number of qubits. One key problem is the way that ...

New Technique Lets Scientists Create Resistance-Free Electron Channels

Apr. 9, 2024 — A team has taken the first atomic-resolution images and demonstrated electrical control of a chiral interface state -- an exotic quantum phenomenon that could help researchers advance quantum ...

Progress in Quantum Physics: Researchers Tame Superconductors

Apr. 4, 2024 — An international team including researchers from the University of W rzburg has succeeded in creating a special state of superconductivity. This discovery could advance the development of quantum ...

Chemical Reactions Can Scramble Quantum Information as Well as Black Holes

Apr. 5, 2024 — A team of researchers has shown that molecules can be as formidable at scrambling quantum information as black holes by combining mathematical tools from black hole physics and chemical physics and ...

100 Kilometers of Quantum-Encrypted Transfer

Apr. 2, 2024 — Researchers have taken a big step towards securing information against hacking. They have succeeded in using quantum encryption to securely transfer information 100 kilometers via fiber optic cable ...

A New Type of Cooling for Quantum Simulators

Mar. 27, 2024 — Quantum simulators are quantum systems that can be controlled exceptionally well. They can be used to indirectly learn something about other quantum systems, which cannot be experimented on so ...

Bullseye! Accurately Centering Quantum Dots Within Photonic Chips

Mar. 26, 2024 — Researchers have now developed standards and calibrations for optical microscopes that allow quantum dots to be aligned with the center of a photonic component to within an error of 10 to 20 ...

Scientists Deliver Quantum Algorithm to Develop New Materials and Chemistry

Mar. 25, 2024 — Scientists published the Cascaded Variational Quantum Eigensolver (CVQE) algorithm in a recent article, expected to become a powerful tool to investigate the physical properties in electronic ...

The World Is One Step Closer to Secure Quantum Communication on a Global Scale

Mar. 25, 2024 — Researchers have brought together two Nobel prize-winning research concepts to advance the field of quantum communication. Scientists can now efficiently produce nearly perfect entangled photon pairs ...

Quantum Interference Could Lead to Smaller, Faster, and More Energy-Efficient Transistors

Mar. 25, 2024 — Scientists made a single-molecule transistor using quantum interference to control electron flow. This new design offers high on/off ratio and stability, potentially leading to smaller, faster, and ...

Novel Quantum Algorithm for High-Quality Solutions to Combinatorial Optimization Problems

Mar. 25, 2024 — Conventional quantum algorithms are not feasible for solving combinatorial optimization problems (COPs) with constraints in the operation time of quantum computers. To address this issue, researchers ...

Verifying the Work of Quantum Computers

Mar. 20, 2024 — Researchers have invented a new method by which classical computers can measure the error rates of quantum machines without having to fully simulate ...

Quantum Talk With Magnetic Disks

Mar. 20, 2024 — Quantum computers promise to tackle some of the most challenging problems facing humanity today. While much attention has been directed towards the computation of quantum information, the ...

Where Quantum Computers Can Score

Mar. 18, 2024 — The traveling salesman problem is considered a prime example of a combinatorial optimization problem. Now a team has shown that a certain class of such problems can actually be solved better and much ...

Staying in the Loop: How Superconductors Are Helping Computers 'Remember'

Mar. 13, 2024 — To advance neuromorphic computing, some researchers are looking at analog improvements -- advancing not just software, but hardware too. Research shows a promising new way to store and transmit ...

Satellites for Quantum Communications

Mar. 13, 2024 — Through steady advances in the development of quantum computers and their ever-improving performance, it will be possible in the future to crack our current encryption processes. To address this ...

Powerful New Tool Ushers in New Era of Quantum Materials Research

Mar. 12, 2024 — Research in quantum materials is paving the way for groundbreaking discoveries and is poised to drive technological advancements that will redefine the landscapes of industries like mining, energy, ...

Design Rules and Synthesis of Quantum Memory Candidates

Mar. 11, 2024 — In the quest to develop quantum computers and networks, there are many components that are fundamentally different than those used today. Like a modern computer, each of these components has ...

Making Quantum Bits Fly

Mar. 6, 2024 — Physicists are developing a method that could enable the stable exchange of information in quantum computers. In the leading role: photons that make quantum bits ...

Shortcut to Success: Toward Fast and Robust Quantum Control Through Accelerating Adiabatic Passage

Mar. 5, 2024 — Researchers achieved the acceleration of adiabatic evolution of a single spin qubit in gate-defined quantum dots. After the pulse optimization to suppress quasistatic noises, the spin flip fidelity ...

Network of Quantum Sensors Boosts Precision

Mar. 4, 2024 — Quantum sensor technology promises even more precise measurements of physical quantities. A team has now compared the signals of up to 91 quantum sensors with each other and thus successfully ...

AI-Enabled Atomic Robotic Probe to Advance Quantum Material Manufacturing

Mar. 1, 2024 — Scientists have pioneered a new methodology of fabricating carbon-based quantum materials at the atomic scale by integrating scanning probe microscopy techniques and deep neural networks. This ...

Scientists Make Nanoparticles Dance to Unravel Quantum Limits

Mar. 1, 2024 — The question of where the boundary between classical and quantum physics lies is one of the longest-standing pursuits of modern scientific research and in new research, scientists demonstrate a novel ...

Umbrella for Atoms: The First Protective Layer for 2D Quantum Materials

Mar. 1, 2024 — As silicon-based computer chips approach their physical limitations in the quest for faster and smaller designs, the search for alternative materials that remain functional at atomic scales is one of ...

Resurrecting Niobium for Quantum Science

Feb. 26, 2024 — Niobium has long been considered an underperformer in superconducting qubits. Scientists have now engineered a high-quality niobium-based qubit, taking advantage of niobium's superior ...

Measuring the Properties of Light: Scientists Realize New Method for Determining Quantum States

Feb. 25, 2024 — Scientists have used a new method to determine the characteristics of optical, i.e. light-based, quantum states. For the first time, they are using certain photon detectors -- devices that can detect ...

Scientists Closer to Solving Mysteries of Universe After Measuring Gravity in Quantum World

Feb. 25, 2024 — Scientists are closer to unravelling the mysterious forces of the universe after working out how to measure gravity on a microscopic level. Experts have never fully understood how the force works in ...

Electrons Become Fractions of Themselves in Graphene

Feb. 21, 2024 — Physicists have observed fractional quantum Hall effect in simple pentalayer graphene. The finding could make it easier to develop more robust quantum ...