Report: Fujitsu & Riken to Offer 1st Japan-Made Quantum Computer in 2023
Japan’s Fujitsu and Riken research institute plan to jointly offer quantum computers to companies in fiscal 2023.
RIKEN’s Success Paves Way to Vision of Large-Scale Quantum Computer Within 10 Years
Quantum entanglement of three spin qubits demonstrated in silicon A three-qubit entangled state has been realized in a fully controllable array of spin qubits in silicon Figure 1: False-colored scanning electron micrograph of the device. The purple and green structures represent the aluminium gates. Six RIKEN physicists succeeded in entangling three silicon-based spin qubits using […]
RIKEN RQC-Fujitsu Collaboration Center Opens, Aims to Bring Superconducting Quantum Computers to Forefront
RIKEN, Fujitsu Launch Collaborative R&D Center in Japan in First Step Toward Realization of Superconducting Quantum Computers RIKEN and Fujitsu today announced the opening of the “RIKEN RQC-Fujitsu Collaboration Center” to promote joint research and development of foundational technologies to put superconducting quantum computers into practical use. More specifically, Riken and Fujitsu will develop hardware […]
RIKEN Physcists Push Closer to Skyrmions as Computing Bits and Data Storage Method
RIKEN Physcists Push Closer to Skyrmions as Computing Bits and Data Storage Method Skyrmions seen in a kagome lattice Magnetic vortices have been made and seen in a crystal with a special structure Figure 1: Electron microscopy image showing a skyrmion lattice in a crystal with an inversion center. The square indicated by the dashed […]
Tokyo Medical and Dental University Proposes Better Method to Isolate Qubits
Tokyo Medical and Dental University Proposes Better Method to Isolate Qubits A Filter for Cleaner Qubits Researchers at the Tokyo Medical and Dental University (TMDU), RIKEN, and the University of Tokyo propose an improved method for isolating the qubits in a quantum computer from the external environment, which may help usher in the era of […]
RIKEN Research Measures Qubit Spin to 99% Fidelity With Silicon Quantum Dots
RIKEN Research Measures Qubit Spin to 99% Fidelity With Silicon Quantum Dots Scientists succeed in measuring electron spin qubit without demolishing it Excerpts and salient points ~ + A group of scientists from the RIKEN Center for Emergent Matter Science in Japan have succeeded in taking repeated measurements of the spin of an electron in […]
Josephson Junction Device Splitting Cooper Pairs in Superconductor Into Two “Normal” Conductors
Josephson Junction Device Splitting Cooper Pairs in Superconductor into Two “Normal” Conductors Device splits and recombines superconducting electron pairs Excerpts and salient points ~ + Sadashige Matsuo of the RIKEN Center for Emergent Matter Science and colleagues have created a device called a Josephson junction, which can efficiently split these Cooper pairs as they travel […]
RIKEN Study Explores Quantum Interference Using Silicon with “More accessible temperatures”
RIKEN Study Explores Quantum Interference Using Silicon with “More accessible temperatures” Quantum interferometry demonstrated in silicon at more practical temperatures Selected notes ~ + Using a silicon-based transistor similar to those found in everyday electronics, RIKEN researchers have produced a functional quantum ‘qubit’—the quantum equivalent of bits used in conventional computers—that operates above the extremely […]
Hybrid Qubits: Solving Coherence and Initialization Problems
Solving Coherence and Initialization Problems of Qubits with Hybrid Qubits. Researchers at Japan’s RIKEN Center for Emergent Matter Science have succeeded in creating a device – an architecture based on semiconductors – for quantum computing which solves two problems plaguing the furtherance of quantum computing. Speed is critical to developing quantum computers, “First, the device […]