Researchers Mapped Surface Code to IBM Heron Processors
New techniques allow quantum error correction on non-grid hardware layouts.
Updated on Sept. 23, 2026 in Quantum Computing
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Researchers from Quantum Elements and the University of Southern California have successfully mapped surface codes onto IBM Heron quantum processors. This advancement enables improved error correction on hardware that does not utilize a square grid layout.
Why it matters
Mapping surface codes to non-grid hardware is essential for scaling quantum computers, as it allows error correction protocols to function on diverse architectural designs. This breakthrough enhances quantum circuit performance by overcoming layout constraints.
The IBM Heron processor, released in 2023, utilizes a heavy-hex hexagonal lattice architecture with 133-qubit and 156-qubit configurations. Researchers employed the Orbit tool to implement SWAP-based embedding and dynamical decoupling.
The players
Quantum Elements
Quantum Elements is a three-year-old startup focused on developing tools for quantum hardware integration.
University of Southern California
The University of Southern California is a major research institution that collaborated on the development of surface code mapping techniques.
IBM
IBM is a leading technology corporation that developed the Heron quantum processor and maintains the Qiskit Functions Catalog.
The details
By utilizing a depth-efficient error correction code, the team reduced sequential layers required for processing. The Orbit tool, introduced by startup Quantum Elements, acts as the primary vehicle for mapping logical qubits onto these specific physical hardware constraints.
Timeline
IBM released the Heron quantum processor in 2023.
Quantum Elements introduced the Orbit tool in July 2026.
The research team published their findings in Nature in September 2026.
The Tech Race
This development represents a critical pivot toward hardware-agnostic error correction, allowing complex quantum software to run on various non-standard processor designs. It marks a transition from purely academic error correction to practical implementation on existing, commercially available hardware.
This advancement provides software developers and researchers with more versatile tools to manage quantum errors on existing IBM hardware via the Qiskit Functions Catalog. For users of quantum cloud services, these improvements could lead to more reliable circuit outputs and higher performance on complex calculations.
The takeaway
Advancements in error correction are vital for moving quantum technology out of the laboratory and toward scalable, fault-tolerant systems. By adapting software to fit diverse hardware architectures, researchers are significantly lowering the barrier to achieving complex quantum computation.
Further reading
Learn more about the latest innovations in Quantum Computing as researchers work to stabilize qubits for practical use.
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