Quantinuum has announced a substantial improvement to its System Model H1 technology, which includes boosting the amount of quantum operations that can be conducted in parallel and expanding to 20 completely linked qubits. The upgrades would greatly boost the processing capabilities of Honeywell’s H1-1 quantum computer, which has set multiple industry records for quantum volume, a measure of total performance, since its launch in autumn 2020.
“With these upgrades, developers are able to run more complex calculations than they could before without sacrificing performance,” said Tony Uttley, President and Chief Operating Officer at Quantinuum. “This upgrade is yet another example of our unique business model of continuously upgrading our systems, even after they are in commercial use, to provide the best performance to our users.”
The Quantinuum team improved the H1-1 machine in several ways, including:
- Increasing the number of fully connected qubits from 12 to 20 while maintaining low two-qubit gate errors (typical performance reliabilities of 99.7% with reliabilities as high as 99.8%) and critical features like mid-circuit measurement, qubit reuse, quantum conditional logic, and all-to-all connectivity
- By increasing the number of gate zones from three to five, the H1-1 will be able to do more quantum operations at the same time and will be able to execute circuits in parallel.
Such advancements, according to Mr. Uttley, demonstrate a critical next step in the H-Series roadmap: the capacity to raise qubit count and gate zone count without sacrificing gate integrity. The H1-2, the second edition of the System Model H1, will get comparable modifications later this year.
“These latest advances show that we understand what it takes to scale our trapped-ion quantum hardware and that we’re continuing to make the expected progress on our technology roadmap,” added Mr. Uttley. “We are adding qubits and maintaining fidelity without compromising any features, which is absolutely essential as we scale to our future H-Series generations.”
Microsoft’s Azure Quantum
Quantinuum develops fully integrated solutions like Quantum Origin, its cybersecurity offering, and InQuanto, its recently announced quantum computational chemistry program, using the System Model H1 machines (InQuanto software licenses are required for access to the H1 machines).
Quantinuum also makes its trapped ion quantum computers H1-1 and H1-2, as well as the H1 Emulators, available commercially through Microsoft’s Azure Quantum.
“The continuous upgrading of Quantinuum’s systems has been a great benefit to Microsoft customers,” said Fabrice Frachon, Quantum Principal Program Manager at Microsoft Azure. “Microsoft is pleased to offer the new capabilities of H1-1 with 20 qubits to customers who access Quantinuum H-systems through Microsoft Azure Quantum and our Azure Quantum Credits program which provides free access to quantum hardware to customers.”
JPMorgan Chase
Internal and external users have tested the improved system extensively to ensure performance and functionality, including a private preview with JP Morgan Chase.
“The quantum computing team at JPMorgan Chase has been using Quantinuum’s quantum computer to run experiments that use mid-circuit measurement and reuse and quantum conditional logic, taking advantage of the computer’s very high quantum volume,” said Marco Pistoia, Ph.D., Distinguished Engineer and Head of Quantum Computing and Communication Research in the bank. “In our experiments, we used the 20 qubits of the H1-1 computer on a quantum Natural Language Processing algorithm for extractive text summarization. The results were almost identical to the reference values computed with a noiseless simulator, validating the computer’s high fidelity, as shown in our recent arXiv preprint. Thanks to this, the Quantinuum computer continues to be an essential resource for our research in Quantum Computing.”
Management Summary
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boosting the amount of quantum operations that can be conducted in parallel and expanding to 20 completely linked qubits.
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The upgrades would greatly boost the processing capabilities of Honeywell’s H1-1 quantum computer.
Microsoft’s Azure Quantum
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Quantinuum develops fully integrated solutions like Quantum Origin, its cybersecurity offering, and InQuanto, its recently announced quantum computational chemistry program, using the System Model H1 machines.
-
It makes its trapped ion quantum computers H1-1 with 20 qubits available through Microsoft Azure Quantum.
JPMorgan Chase
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The quantum computing team at JPMorgan Chase has been using Quantinuum’s quantum computer to run experiments that use mid-circuit measurement and reuse and quantum conditional logic, taking advantage of the computer’s very high quantum volume
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Experiments used 20 qubits of the H1-1 computer on a quantum Natural Language Processing algorithm for extractive text summarization.
