Quantum information science

Interdisciplinary theory behind quantum computing

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June 2025 Rosenbaum announced he will step down as president of Caltech at the end of the 2025-2026 academic year.
2025 D-Wave sold an Advantage system to Forschungszentrum Jülich, with scientists publishing research in Nature exploring quantum computer simulation of false vacuum decay.
May 2025
Quantum volume
Quantinuum continues to maintain System Model H2-1 with 56 qubits and a quantum volume of 2
2025 Alternative expected delivery timeframe for the Advantage 2 quantum computer system, marking a potential milestone in D-Wave's quantum computing development.
2025 D-Wave published a paper in Science journal describing a computational simulation of a magnetic material performed dramatically faster on a quantum computer, though some physicists questioned the claims.
April 2025
Quantum teleportation
Researchers at the University of Illinois Urbana-Champaign achieved quantum teleportation with 94% fidelity using a nanophotonic indium-gallium-phosphide platform. The method used nonlinear sum frequency generation (SFG), which mitigated multiphoton noise and increased teleportation efficiency by a factor of 10,000 compared to previous SFG-based systems.
2025 Published e-book 'Decoherence and Quantum Darwinism: From Quantum Foundations to Classical Reality' through Cambridge University Press.
2025
Superconducting quantum computing
IBM planned to release the Kookaburra quantum processor with 4,158+ qubits.
March 25 2025 Rigetti Computing begins collaboration with NVIDIA's Quantum Computing Lab in Boston on cryptography technology research.
2025
Quantum key distribution
European Space Agency (ESA) plans to launch Eagle-1, an experimental satellite-based quantum key distribution system.
March 2025 PsiQuantum raised an additional $750 million, increasing its valuation to $6 billion.
February 19 2025
Quantum computing and communication
Microsoft announced Majorana 1, the first quantum processing unit based on a topological core. This breakthrough created a new class of materials called topoconductors, utilizing topological superconductivity to control hardware-protected topological qubits and determine fermion parity in Majorana zero modes.
February 2025
Cat state
Amazon announced a quantum computing processor prototype named 'Ocelot' that utilizes cat qubits for bosonic quantum error correction
February 14 2025
Quantum computing and communication
Researchers Björkman et al. demonstrated a virtual-state process of Landau-Zener-Stückelberg-Majorana transition using transmon technology, nearly eliminating the AC Stark shift in the system process.
2024 Expected delivery timeframe for the Advantage 2 quantum computer system, representing a significant technological advancement in D-Wave's quantum computing portfolio.
2024 At the 18th Capri Spring School, coined the term 'discoverino' to describe small discoveries first made by NISQ devices.
2024 Elected to the National Academy of Sciences, USA, a prestigious recognition of his scientific excellence and impact.
2024
Superconducting quantum computing
IBM planned to release the Flamingo quantum processor with 1,386+ qubits.
2024 Alexei Kitaev is awarded the Basic Science Lifetime Award by the International Congress of Basic Science in recognition of his groundbreaking work in quantum computing.
2024 Alexei Kitaev receives the Henri Poincaré Prize from the International Association of Mathematical Physics for his contributions to quantum computing, quantum many-body systems, and quantum information.
2024 The Australian Commonwealth and Queensland governments announced a multi-million dollar investment (US$250 million) in PsiQuantum to build the world's first utility-scale, fault-tolerant quantum computer in Brisbane, Queensland, with plans to have the system operational by the end of 2027.
2024
Bei Zeng
Moves to The University of Texas at Dallas, while maintaining an adjunct faculty position at the University of Waterloo Department of Physics and Astronomy.
December 25 2024
Quantum computing and communication
Intel demonstrated a test chip with 12 spin-qubits fabricated using immersion and extreme ultraviolet lithography (EUV), doubling the number of spin qubits from their September 2022 publication.
December 15 2024
Quantum computing and communication
Oak Ridge National Laboratory researchers achieved 100% uptime transmission of entangled quantum signals through a commercial fiber-optic network for over 30 hours using automatic polarization compensation.
December 9 2024
Quantum computing and communication
Google Quantum AI announced Willow, the first quantum processor with error-corrected qubits that improve exponentially, completing a benchmark computation in under five minutes that would take supercomputers 10 septillion years.
December 2 2024
Quantum computing and communication
Physicists observed quantum entanglement within individual protons, revealing the complex interdependence of quarks and gluons at the subatomic level.
October 2024 The National Quantum Computing Centre Facility based in Harwell opens.
August 2024
Quantum volume
Quantinuum launches System Model H2-1 with a significant increase to 56 qubits while maintaining a quantum volume of 2
August 5 2024
Quantum computing and communication
Brown University research discovered fractional excitons in bilayer graphene under the fractional quantum Hall effect, expanding excitonic understanding and quantum computing potential.
July 2024 PsiQuantum announced a partnership with the State of Illinois, Cook County, and the City of Chicago to anchor Governor JB Pritzker's new Illinois Quantum and Microelectronics Park.
July 2024 PsiQuantum signed a memorandum of understanding (MOU) with five Queensland universities to develop educational programs in quantum fields and collaborate on research projects.
July 2024 UK Government announces the third round of quantum technologies hubs to ensure UK benefits from quantum future.
June 30 2024
Quantum computing and communication
Oxford University researchers successfully linked two quantum processors via an optical fiber network, demonstrating quantum entanglement between distant qubits and paving the way for distributed quantum computing.
May 30 2024
Quantum computing and communication
Researchers at Photonic and Microsoft performed a teleported CNOT gate between qubits separated by 40 meters, confirming remote quantum entanglement between T-centers.
May 10 2024
Quantum computing and communication
Google and Paul Scherrer Institute researchers developed a hybrid digital-analog quantum simulator, combining techniques to enhance precision and flexibility in quantum computing.
May 8 2024
Quantum computing and communication
Researchers successfully demonstrated deterministic fusion of quantum states into states with up to eight qubits.
May 1 2024
Quantum computing and communication
Intel researchers used a cryogenic 300-mm wafer prober to collect high-volume data on hundreds of spin qubit devices at 1.6 K, characterizing single electrons across full wafers with high yield.
April 2024
Quantum volume
Quantinuum updates System Model H1-1 to maintain 20 qubits and a quantum volume of 2
April 2024
Noisy intermediate-scale quantum era
Microsoft researchers announced a significant breakthrough in quantum computing, demonstrating a substantial reduction in error rates that would only require 4 logical qubits, potentially accelerating the timeline for large-scale quantum computing from decades to years.
February 2024
Quantum volume
IQM introduces a 20-qubit system with a quantum volume of 2
February 25 2024
Quantum computing and communication
California Institute of Technology researchers demonstrated multiplexed entanglement generation in quantum network nodes by embedding ytterbium atoms in yttrium orthovanadate crystals, enabling parallel transmission of entangled photons.
February 14 2024
Quantum computing and communication
Researchers at UNSW Sydney demonstrated control of antimony-based materials for quantum computing, enabling high-dimensional Schrödinger-cat quantum states with enhanced scalability and error resilience using 123Sb antimony nucleus spin in silicon nanoelectronics.
2023 Completed her Ph.D. in theoretical computer science at the University of Washington under the supervision of James Lee, continuing her work on quantum-inspired classical algorithms.
2023
Superconducting quantum computing
IBM planned to release the Condor quantum processor with 1,121 qubits.
2023 Published overview paper 'Quantum Annealing: An Overview' with A. Rajak, S. Suzuki, and A. Dutta in Philosophical Transactions of the Royal Society A.
2023 Awarded the Breakthrough Prize in Fundamental Physics along with three others for foundational work in quantum information.
2023
Quantum key distribution
Singapore launched the National Quantum-Safe Network Plus (NQSN+) as part of its Digital Connectivity Blueprint, involving Singtel, SPTel, and SpeQtral to deploy quantum-safe networks nationwide and provide quantum key distribution solutions.
2023
Quantum entanglement
Large Hadron Collider (LHC) uses quantum tomography techniques to measure quantum entanglement of top quarks at the highest energy level to date. The experiment was conducted using the ATLAS detector, measuring spin of top-quark pair production with over 5σ level of statistical significance.

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This contents of the box above is based on material from the Wikipedia articles Bei Zeng, Noisy intermediate-scale quantum era, Pedram Roushan, Alexei Kitaev, PsiQuantum, Quantum entanglement, Rigetti Computing, Peter Shor, Quantum teleportation, Bikas Chakrabarti, Superconducting quantum computing, Wojciech H. Zurek, Quantum volume, Cat state, Timeline of quantum computing and communication, Ewin Tang, D-Wave Systems, Thomas Rosenbaum, UK National Quantum Technologies Programme & Quantum key distribution, which are released under the Creative Commons Attribution-ShareAlike 4.0 International License.

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