Tag Archive for 'Quantum processor'

Left: a fully assembled quantum system at Google Quantum AI; prominently displayed is the dilution refrigerator in which the computations occur, the quantum processor and quantum-limited amplifiers installed at the bottom stage of the refrigerator, various cables connecting bottom to top, and control electronics of quantum computer in the back. Right: two generations of Sycamore processors fabricated by Google Quantum AI; each processor features two chips that are bonded together: a chip containing the quantum bits (qubits), and a chip containing the wiring between the qubits and the outside world; the latest generation of the Sycamore processor on the right is notably larger than previous generations, but also has several modifications to the qubits resulting in improved performance. Image credit: Google Quantum AI.

Google Quantum AI Team Improves Error Correction in Quantum Computing

Feb 23, 2023 by News Staff

A new work from Google Quantum AI represents a step towards the development of scalable quantum error correction to enable quantum computers to reach sufficiently...

Dimer model in Rydberg atoms arrays: (A) fluorescence image of 219 atoms arranged on the links of a kagome lattice; Rydberg atoms are marked with red dimers on the bonds of the kagome lattice; (B) a state consistent with the Rydberg blockade at maximal filling can then be viewed as a dimer covering of the kagome lattice, where each vertex is touched by exactly one dimer; (C) the quantum spin liquid state corresponds to a coherent superposition of exponentially many dimer coverings. Image credit: Semeghini et al., doi: 10.1126/science.abi8794.

Physicists Observe Quantum Spin Liquid for First Time

Dec 3, 2021 by News Staff

First theorized in 1973 by physicist Philip W. Anderson, quantum spin liquids are exotic phases of matter with topological order. They feature long-range...

A chip designed to operate as a 128-qubit superconducting adiabatic quantum optimization processor. Image credit: D-Wave Systems, Inc.

Physicists Demonstrate ‘Teleportation’ of Quantum Gate between Two Qubits

Sep 6, 2018 by News Staff

A team of scientists at Yale University has experimentally demonstrated one of the key steps in building the architecture for quantum computers —...

Schematic view of a large-scale quantum processor based upon phosphorus (31P) donors in silicon, operated and coupled through the use of an induced electric dipole. Idle qubits have electrons at the interface, leaving the 31P nucleus in the ultra-coherent ionized state. Electrons are partially shifted toward the donor for quantum operations. The sketch shows a possible architecture where a cluster of qubits is locally coupled via the electric dipole, and a subgroup thereof is further coupled to another cluster through interaction with a shared microwave cavity (aqua). Image credit: Guilherme Tosi, University of New South Wales.

Researchers Invent New Architecture for Quantum Computing

Sep 7, 2017 by News Staff

A new architecture, based on so-called ‘flip-flop’ qubits, allows for a silicon quantum processor that can be scaled up without the precise placement...