Quantum Art, a developer of full-stack fault-tolerant quantum computers based on trapped-ion qubits, announced research results verifying that its multi-qubit gate architecture advances scalable fault-tolerant quantum computing. The findings, validated through a detailed microscopic noise model and comprehensive fault-tolerance simulations, show that multi-qubit gates are fully compatible with quantum error correction, addressing a key milestone toward large-scale quantum computers.
The company demonstrated that its architecture supports fault-tolerant operation by constructing realistic noise modeling for multi-qubit gates and analyzing the performance of such models in scalable error correction codes. The results show a finite-threshold behavior at the 1% level using surface codes, suitable for scalable fault-tolerant quantum computing. Importantly, the simulation results showed that logical error correction continues to improve as the system scales, a key benchmark used to evaluate 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 show 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. The results provide strong evidence that Quantum Art's multi-qubit 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 having tens to hundreds of logical qubits, as well as next-generation Landscape series supporting thousands of logical qubits. The results are detailed in the paper, “Trapped-Ion Multi qubit Gates are Compatible with Scalable Quantum Error Correction,” authored by O. Grossman, Y. Kadish, S. Gazit, A. Ben-Kish, R. Ozeri, and Y. Shapira, and 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, is a full-stack fault-tolerant trapped-ion quantum computing company developing systems for complex computational problems. Its architecture combines scalable hardware with software designed for real-world applications in optimization, simulation, and advanced computing.
