Russia claims new 72-qubit quantum computer hits 94% accuracy level
Researchers at the Russian state Atomic Energy Corporation Rosatom and Lomonosov Moscow State University have developed a prototype…
China’s new quantum computer hits stability milestone, beating Google on efficiency
Chinese researchers have taken a major step in the global race to build practical quantum computers, becoming the…
Scientists reduce the time for quantum learning tasks from 20 million years to 15 minutes
Learning how a physical system behaves usually means repeating measurements and using statistics to uncover patterns. That approach…
Entanglement of a nuclear spin qubit register in silicon photonics
Awschalom, D. D., Hanson, R., Wrachtrup, J. & Zhou, B. B. Quantum technologies with optically interfaced solid-state spins.…
New quantum device operates at room temperature for stable qubits
Stanford University researchers say they have developed a nanoscale optical device that could shift the direction of quantum…
Chinese team simulates quantum state that resists errors from start
Quantum computers promise to tackle problems that are unsolvable for today’s machines, but their basic units (qubits) are…
Chinese scientists create super stable building block for quantum computers
Chinese physicist Pan Jianwei and his team have created a “quantum Lego block” that refuses to fall apart…
448-qubit milestone puts fault-tolerant quantum computing within reach
Researchers at Harvard, publishing in the journal Nature on Monday, have demonstrated a new quantum system that can…
Measurement of correlated charge noise in superconducting qubits at an underground facility
Controlling the radiation environment of superconducting qubits The qubit chip was relocated from the Earth’s surface at Madison,…
Strong coupling of a superconducting flux qubit to single bismuth donors
In this work, we couple spins to a highly non-linear circuit with huge current quantum fluctuations18,19,20. This circuit…
Dual epitaxial telecom spin-photon interfaces with long-lived coherence
Fiber-integrated Er3+ qubit chip Figure 1 illustrates the schematic of our Er3+ qubit device. The die chip consists of…
Millisecond lifetimes and coherence times in 2D transmon qubits
Place, A. P. M. et al. New material platform for superconducting transmon qubits with coherence times exceeding 0.3…