Quantum Art, a developer of full-stack fault-tolerant quantum computers based on trapped-ion qubits, announced research results validating that its multi-qubit gate architecture supports a scalable path to fault-tolerant quantum computing. The findings, detailed in a paper titled "Trapped-Ion Multi qubit Gates are Compatible with Scalable Quantum Error Correction," demonstrate that large-scale, multi-qubit gate operations are fully compatible with quantum error correction, addressing a critical milestone for large-scale quantum computers.
The research team constructed a detailed microscopic noise model for multi-qubit gates and analyzed the performance of these models in scalable error correction codes. The results showed a finite-threshold behavior at the 1% level using surface codes as an example, indicating that the architecture is suitable for scalable fault-tolerant quantum computing. Importantly, the simulations revealed that logical error correction continues to improve as the system scales, a key benchmark for evaluating whether a quantum architecture can ultimately support fault-tolerant operation.
"The most important result is that multi-qubit gates, favorable candidates for large scale quantum computation schemes, are also fully compatible and advantageous for fault tolerant codes," said Dr. Amit Ben-Kish, CTO and co-founder of Quantum Art. "For years, the quantum computing industry has largely focused on fault-tolerant systems built from vast numbers of sequential one- and two-qubit operations, leaving open questions about whether large multi-qubit gates could support the same path. Our analysis shows that the errors remain local and controlled, and that a practical threshold exists. That puts multi-qubit gates firmly in the fault-tolerant regime and provides a clear path for scaling such architectures."
Quantum Art's multi-qubit gate architecture offers significant advantages in computational efficiency, circuit compression, system scalability, and overall hardware footprint. The findings indicate that while all-to-all connected multi-qubit gates enable circuit depth compression and reduced computational overhead by orders of magnitude, error propagation remains small, controlled, and bound by the gate's connectivity mapping. This provides strong evidence that Quantum Art's architecture can scale while remaining compatible with the requirements of fault-tolerant quantum computing.
The milestone validates Quantum Art's roadmap toward large-scale fault-tolerant systems, including its planned Perspective platform, a 1,000-qubit multi-core quantum computer designed to support commercially relevant quantum applications with 10s-100 logical qubits, as well as the next-generation Landscape series supporting 1000s of logical qubits. The research paper is available here.
Quantum Art, an Israeli company founded in 2022 and spun out from Prof. Roee Ozeri’s research group at the Weizmann Institute of Science, develops full-stack fault-tolerant trapped-ion quantum computing systems. For more information, visit https://www.quantum-art.tech/.
