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D-Wave Quantum Inc. (NYSE: QBTS) Demonstrates Advances in Quantum Computing Through Quantum Error Mitigation and High-Coherence Fluxonium Qubits

  • D-Wave recently shared important research results demonstrating successful quantum error mitigation (“QEM”) in its Advantage2(TM) annealing quantum computing experimental prototype
  • The company’s latest research focuses on zero-noise extrapolation, one of the most practical QEM techniques, maintaining the quantum state and reducing errors
  • D-Wave has also made significant progress with high-coherence fluxonium qubits, setting new standards in quantum properties

D-Wave Quantum (NYSE: QBTS), a leader in quantum computing systems, software, and services, and the world’s first commercial supplier of quantum computers, recently shared important research results that demonstrate successful quantum error mitigation (“QEM”) in its Advantage2(TM) annealing quantum computing experimental prototype. This progress in reducing errors in quantum computers is expected to drive performance advancements in the company’s future quantum computing systems and processors.

Quantum computing is incredibly powerful but can be sensitive to noise and imperfections in the hardware – known as “errors.” Fixing these errors is a major challenge, and while there is a solution called quantum error correction, it’s currently too complex and resource-intensive to be practical. Instead, D-Wave has applied QEM as a near-term solution to estimate error-free expectation values in the presence of small noise.

D-Wave’s latest research focuses on zero-noise extrapolation (“ZNE”), one of the most practical QEM techniques. These techniques, used in the company’s Advantage2 annealing quantum computing experimental prototype, showed reduced errors in quantum simulation and produced results consistent with the quantum system maintaining its quantum state (known as “coherence”) for a much longer period of time compared to when no mitigation techniques are applied. This means better and more reliable results.

This breakthrough could translate to higher performance for D-Wave’s future quantum computers, like the upcoming Advantage2 system. Applying these research findings, D-Wave’s quantum systems and processors are expected to be able to tackle highly computationally complex problems in scientific-related and machine learning applications.

Mohammad Amin, a key researcher at D-Wave, underlined that errors are the biggest challenge in quantum computing. “With this research, we’ve demonstrated the successful mitigation of such errors in quantum annealing, producing measurement results as if the qubits were nearly one order of magnitude more coherent,” Amin said (https://nnw.fm/fL4AQ). “This opens up new possibilities, like simulating exotic materials and moving closer to achieving quantum supremacy on D-Wave processors.”

This isn’t the first time D-Wave has pushed the boundaries of quantum computing. Most recently, in September 2023, the company announced significant progress with high-coherence fluxonium qubits, which demonstrated quantum properties that are comparable to the best seen to date in scientific literature.

These fluxonium qubits are a key part of the next-generation quantum computers. D-Wave is especially interested in using them, as they’ve displayed some advantages over other types of qubits. The tests showed that these fluxonium qubits can stay stable for over 100 microseconds, and the measured effective temperature of its fluxonium, 18 millikelvin, is among the best that has been reported in the scientific literature to date for superconducting qubits.

“This shows that fluxonium is a viable candidate qubit for D-Wave’s gate model quantum computing architectures,” said Mark Johnson, SVP of quantum technologies at D-Wave (https://nnw.fm/Gbfcn). “Moreover, in doing this work we have learned that fluxonium can address some of the known shortcomings of competing superconducting gate model qubits. We believe this will have a significant impact on D-Wave’s hardware development, and it also reinforces our technical leadership.”

For more information, visit the company’s website at www.DWaveQuantum.com.

NOTE TO INVESTORS: The latest news and updates relating to QBTS are available in the company’s newsroom at https://nnw.fm/QBTS

Forward-Looking Statements

Certain statements in this press release are forward-looking, as defined in the Private Securities Litigation Reform Act of 1995. These statements involve risks, uncertainties, and other factors that may cause actual results to differ materially from the information expressed or implied by these forward-looking statements and may not be indicative of future results. Forward-looking statements in this press release include, but are not limited to, statements regarding the potential impact and results of D-Wave’s progress in QEM; the new possibilities that may result from successful QEM including simulating exotic materials and moving closer to quantum supremacy on D-Wave processors; the potential impact of D-Wave’s work with fluxonium qubits on D-Wave’s hardware development and technical leadership. These forward-looking statements are subject to a number of risks and uncertainties, including, among others, various factors beyond management’s control, including the possibility for research results to differ in the future from what has been recorded to date; general economic conditions and other risks; D-Wave’s ability to expand its customer base and the customer adoption of its solutions; risks within D-Wave’s industry, including anticipated trends, growth rates, and challenges for companies engaged in the business of quantum computing and the markets in which they operate; the outcome of any legal proceedings that may be instituted against the company; risks related to the performance of D-Wave’s business and the timing of expected business or financial milestones; unanticipated technological or project development challenges, including with respect to the cost and/or timing thereof; the performance of D-Wave’s products; the effects of competition on the company’s business; the risk that the company will need to raise additional capital to execute its business plan, which may not be available on acceptable terms or at all; the risk that the company may never achieve or sustain profitability; the risk that the company is unable to secure or protect its intellectual property; volatility in the price of its securities; the risk that D-Wave’s securities will not maintain the listing on the NYSE; and the numerous other factors set forth in D-Wave’s Annual Report on Form 10-K for its fiscal year ended December 31, 2022 and other filings with the Securities and Exchange Commission. Undue reliance should not be placed on the forward-looking statements in this press release in making an investment decision, which are based on information available to the company on the date hereof. D-Wave undertakes no duty to update this information unless required by law.

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