Search results for “Alice & Bob”
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Alice & Bob and ENS Lyon Demonstrate DC-Biased SQUID Architecture for Multi-Photon Cat Qubit Dissipation
Alice & Bob and ENS Lyon have demonstrated a DC-biased SQUID architecture for stabilizing cat qubits, replacing traditional microwave pumps with a microvolt-scale DC voltage. This method eliminates unwanted Kerr nonlinearities and provides a scalable control mechanism for superconducting bosonic codes. The experimental setup showed selective activation of 1-to-1, 2-to-1, and 4-to-1 photon conversion processes, enabling deterministic pair-photon extraction and paving the way for more robust quantum error correction.
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Bull and Alice & Bob Partner to Integrate Cat Qubit Processors into High-Performance Computing
Bull and Alice & Bob are partnering to integrate quantum computing systems with high-performance computing (HPC) infrastructure using Alice & Bob’s cat qubit architecture. This collaboration aims to reduce the physical qubits needed for error correction by up to 200 times and will expand Bull’s Qaptiva platform to support cat qubit emulation and hybrid execution on physical chips. They plan to deploy secure, on-premises hybrid hardware installations across France, the UK, and Germany.
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This Is Not a Product Launch: Alice & Bob Deploys On-Premise “Helium” Platform for Co-Design Cat-Qubit Research
Alice & Bob has launched the Helium Quantum System, an on-premise platform designed for co-design cat-qubit research, explicitly not as a product but as a third-party accessible laboratory. This system uses noise-biased cat-qubits to suppress bit-flip errors, simplifying quantum error correction to focus on phase-flip accumulation. It offers a modular architecture, integrates with classical HPC workload managers, and operates with modest power requirements, all while providing a “co-design” model for partners to directly engage in error-correction research.
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Alice & Bob Reduces Quantum Error Correction Decoding Time via NVIDIA CUDA-Q Integration
Alice & Bob has achieved a massive 9.25x speedup in Quantum Error Correction (QEC) decoding by integrating with the NVIDIA CUDA-Q platform. By moving from a standard CPU to an NVIDIA GH200 Grace Hopper system, the time required to decode simulated syndrome data dropped from over 18 hours to just 1 hour and 57 minutes. This performance leap allows researchers to stress-test the “Elevator Codes” designed for cat qubits at a speed that was previously impossible, significantly accelerating the path toward fault-tolerant quantum computing.
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Alice & Bob Introduce ‘Elevator Codes’ for Resource-Efficient Fault Tolerance
Alice & Bob has introduced “Elevator Codes,” a new quantum error correction (QEC) architecture that leverages the unique noise bias of cat qubits to achieve a massive reduction in hardware requirements. Detailed in a study by Diego Ruiz and Peter Shanahan, the architecture uses a “vertical” movement strategy—the “elevator”—to check for errors across different layers of the code. This approach allows Alice & Bob to target 100 logical qubits using only 1,500 physical qubits, a significantly smaller footprint than traditional 2D surface codes, while reducing logical error rates by 10,000x.
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Alice & Bob Launches 100-Person Hiring Plan to Scale Towards Utility-Scale Quantum Computer
Alice & Bob has launched a plan to hire 100 new employees by mid-2026, nearly doubling its headcount. The hiring targets 90 technical roles to support the company’s technology development and business expansion as it works toward its roadmap of delivering a utility-scale quantum computer by 2030 using cat qubits.
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Alice & Bob and Inria Detail “Unfolded Code” for Hardware-Efficient Magic State Preparation
Alice & Bob and Inria have detailed a new quantum error correction scheme called the “unfolded code,” designed for magic state preparation on superconducting quantum computers. The method leverages the noise bias of cat qubits to “unfold” a 3D distillation code into a hardware-efficient 2D layout, reducing qubit requirements by 8.7x and offering an estimated 5x speedup.
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