Strong Quantum Computational Advantage Using a Superconducting Quantum Processor

Scaling up to a large number of qubits with high-precision control is essential in the demonstrations of quantum computational advantage to exponentially outpace the classical hardware and algorithmic improvements. Chinese researchers develop a two-dimensional programmable superconducting quantum processor, Zuchongzhi, which is composed of 66 functional qubits in a tunable coupling architecture. To characterize the performance …

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China Made 62 Qubit Quantum Computer

University of Science and Technology of China claims to have made a 62 qubit using programmable superconductors. Science – Quantum walks on a programmable two-dimensional 62-qubit superconducting processor Abstract Quantum walks are the quantum mechanical analog of classical random walks and an extremely powerful tool in quantum simulations, quantum search algorithms, and even for universal …

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Quantum Computer Company IonQ Goes Public at $2 Billion

Peter Chapman, CEO and president at IonQ, discusses IonQ going public via a special purpose acquisition company deal with dMY Technology Group. IonQ will have a market capitalization of $2 billion. Chapman believes quantum computing will become mainstream and real-life issues it can solve. Quantum computing is very good at optimization problems with a cost …

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Solving 10,000 Year Google Quantum Problem in 5 Days Using 60 GPUs

60 graphical processing units (GPUs) have been used to solve the Google quantum supremacy computer problem. Researchers generated one million correlated bitstrings with some entries fixed, from the Sycamore circuit with 53 qubits and 20 cycles, with linear cross-entropy benchmark (XEB) fidelity equals 0.739, which is much higher than those in Google’s quantum supremacy experiment. …

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Trapped Ion Quantum Computer Company Will IPO At Near $2 Billion With a SPAC

IonQ will merge dMY Technology Group III, a Special Purpose Acquisition Company. The deal will close in a few months after a review by the SEC and a shareholder vote. IonQ will be worth an estimated $1993 million after the deal. 64% or $1275 mlllion will be owned by IonQ pre-transaction shareholders. IonQ is the …

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Honeywell Commercial Quantum Computer Hits 512 Quantum Volume – Four Times Better Than 2020

Honeywell has upgraded the commercial trapped ion quantum computer System Model H1 and achieved a quantum volume of 512. This is four times higher than when it was released in September 2020 with a quantum volume of 128. This is the highest measured on a commercial quantum computer to date. It is the third time …

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Microsoft Can Control 50,000 Qubits But Large Qubit System Still Must be Made

Microsoft’s Quantum Lab located at the University of Sydney made breakthroughs in qubit control technology that allow us to scale beyond the physical limitations of current conventional systems. They now have the ability to control up to 50,000 qubits through simply three wires, a cryogenic CMOS design, and a 1cm2 chip computing at near absolute …

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Fujitsu Using Classical Hardware to Run Quantum Algorithms

Fujitsu calls its quantum device a quantum-inspired Digital Annealer. It is classical hardware emulating systems. They are trying to solve a complex combinatorial optimization problem currently unsolvable by conventional computers in practical timeframe. Fujitsu’s research scientists are leveraging quantum algorithms on digital circuit-based architecture. Inspired by the quantum phenomena within silicon architectures, they have used …

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