QC Design Publishes Unified "Plaquette" Framework to Automate Hardware-Aware Fault-Tolerant Simulation - Quantum Computing Report

Quantum design-automation developer QC Design has published a comprehensive theoretical framework and software specification detailing its flagship architecture-simulation platform, Plaquette. Released in an academic paper on arXiv (“Plaquette: A hardware-aware design platform for fault-tolerant quantum computers“), the disclosure marks a shift from idealized, Clifford-only error approximations toward continuous, physics-rooted structural simulation of real-world physical qubit imperfections. The company’s architecture addresses a persistent blind spot in quantum error correction (QEC): standard stabilizer simulators traditionally assume uniformly distributed, stochastic Pauli noise, an assumption that the paper demonstrates can underestimate logical error rates by more than an order of magnitude. The Limitations of Idealized [...]

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