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Amazon has expanded its Braket quantum computing service with the general availability of IQM’s new 54-qubit superconducting processor, Emerald. The new hardware joins IQM’s 20-qubit Garnet processor on the platform, giving users greater choice for running advanced quantum algorithms.
Both devices are available via Amazon Braket in the Europe (Stockholm) Region, helping customers meet data residency requirements while supporting 19 hours of daily access. The Emerald processor is based on IQM’s Crystal 54 architecture, which uses superconducting transmon qubits arranged in a high-connectivity square lattice and is designed for efficient algorithm mapping and future support for surface-code error correction.
Initial performance metrics show high fidelity, with 99.93% for single-qubit gates and 99.5% for two-qubit gates. The system supports native CZ two-qubit operations and arbitrary X and Y single-qubit rotations.
Amazon Braket users can access the new hardware via the Braket SDK or through third-party frameworks like Qiskit, Pennylane, and NVIDIA CUDA-Q. The Emerald processor’s increased capacity is expected to support research into more complex quantum circuits and larger entangled states, and it includes support for dynamic circuits, allowing qubit measurements and conditional operations mid-execution.
The announcement triggered movement in quantum-related stocks, with Amazon shares rising 1%, while Quantum Computing Inc fell 5.5% and D-Wave Quantum trimmed earlier gains to 2.3%.