Amazon Braket, the quantum computing service from AWS, now offers access to Rigetti’s Cepheus-1-108Q device, the first 100+ qubit superconducting quantum processing unit (QPU) available on Amazon Braket. Cepheus-1-108Q uses Rigetti’s modular multi-chip architecture, consisting of a 3×4 array of twelve 9-qubit chiplets with tunable couplers and intermodule couplers between chiplets.
Cepheus-1-108Q introduces CZ (controlled phase) gates, replacing the iSWAP gates used on previous Rigetti QPUs. CZ gates provide higher resilience to phase errors common in superconducting systems, and Rigetti’s adiabatic CZ implementation further reduces leakage errors. These improvements enable customers to run deeper circuits for use cases such as chemical simulation, combinatorial optimization, and machine learning. Customers can build and run quantum programs using the Braket SDK or other frameworks such as Qiskit, CUDA-Q, and Pennylane. Pulse-level control is also available for researchers who need low-level hardware access to study noise, develop gates, or devise error mitigation schemes.
Cepheus-1-108Q is available in the US West (N. California) Region. Get started by viewing the device on the Amazon Braket Management Console, reading our Amazon Braket documentation, or applying for AWS credits to support experiments on Amazon Braket through the AWS Cloud Credits for Research program.
Categories: general:products,general:products/amazon-braket
Source: Amazon Web Services
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