Boosted Bell-state measurements for photonic quantum computation
QC Design’s recent paper presents a boosted fusion technique that increases photon entanglement success from 50% to 69.3% using a multiport splitter and extra entangled photons. The approach enhances fault tolerance and triples resilience to photon loss, marking a key advancement toward scalable photonic quantum computing.
Plaquette v2025.3 released with a new GPU-based full-state simulation backend for unprecedented scale and performance
Plaquette v2025.3 introduces a brand-new GPU-based full-state simulation backend powered by NVIDIA’s cuQuantum SDK. This breakthrough takes full-state simulations to hundreds of qubits on a single GPU, offering unmatched performance and memory efficiency compared to traditional CPU-based simulation approaches.
QC Design Pioneers GPU-Accelerated Quantum Fault-Tolerance Design
QC Design has integrated GPU acceleration into Plaquette using NVIDIA's cuQuantum SDK. This integration enables full-state simulations of fault-tolerant quantum circuits of over 400 qubits on a single GPU, significantly outperforming traditional CPU-based simulators.
Plaquette v2025.2 released with new framework for simulating near-Clifford error-correcting circuits
Plaquette v2025.2 introduces a scalable simulation approach for near-Clifford quantum error-correcting circuits. It leverages Clifford decompositions and quasiprobability sampling to rapidly and accurately estimate logical error rates for hundreds of qubits under complex noise models. This enables efficient benchmarking and testing of next-generation fault-tolerant quantum devices.
Plaquette v2025.1 released with major upgrades for circuit customization
Plaquette v2025.1 introduces enhanced customization for automatically generated circuits. It allows users to create QEC circuits using native hardware gates like CZ or CX, or both. The update also supports concurrent operations, including simultaneous measurements and parallel gates. Additionally, users can fully customize the gate sequence to optimize logical error rates.
Quantum Source Pilots QC Design’s Plaquette to Accelerate Photonic Fault-Tolerance
Quantum Source’s partnership with QC Design is centred on integrating Plaquette into Quantum Source’s development process for photonic quantum computing. By using Plaquette to simulate realistic hardware imperfections, Quantum Source gains vital insights into optimizing its deterministic atom-photon architecture for large-scale, fault-tolerant quantum computers.
Plaquette v2024.12 released with new tools for MBQC simulations
Plaquette v2024.12 turbocharges MBQC cluster state simulations with 20x speed improvements and advanced error-correcting code generation. Easily simulate custom CSS-code-based cluster states, analyze noise resilience, and optimize architectures and quickly explore diverse MBQC applications with unmatched efficiency.
Plaquette v2024.11 released with support for superconducting qubits, new qLDPC codes and more
Plaquette v2024.11 introduces superconducting qubit simulations, enabling fault-tolerant quantum computing studies under realistic noise models including leakage. New qLDPC codes, decoders, and simplified gate error modeling enhance exploration of optimized quantum architectures across hardware platforms.
Plaquette v2024.10 released with support for Dynamic Circuits
Plaquette v2024.10 significantly enhances fault-tolerant quantum computing simulations with dynamic circuits, customizable entangling gate orders, support for superconducting qubits, and an upgraded xpauli backend.
Plaquette v2024.8 released with 5000x faster simulations and real hardware imperfection support
Plaquette v2024.8 boosts quantum error correction simulations with 5000x speed improvements to the xpauli backend, real hardware imperfection support, and the new full_state simulator for exact simulations. This update accelerates fault-tolerance design, enabling faster and more accurate results.
Quantum design automation leader, QC Design, selected for the prestigious EIC Accelerator program and secures €4M funding
QC Design, a leader in quantum design automation software, has been selected for the prestigious Accelerator program by the European Innovation Council (EIC) to support the development of its design-automation software and architectures for quantum computing.
Plaquette v2024.6 released with support for qLDPC codes
Plaquette v2024.6 now supports the construction and simulation of quantum LDPC codes, offering an easy-to-use pipeline for the full simulation under the broadest variety of hardware error models.
Plaquette v2024.5 released with support for native quantum dot imperfections
Plaquette v2024.5 is now the first software tool that enables studying the impact of native imperfections that arise in quantum dots.
QC Design CEO Ish Dhand Wins Newcomer of the Year at German Startup Awards
QC Design CEO Ish Dhand wins Newcomer of the Year at the German Startup Awards 2024. Celebrating the German startup ecosystem in Berlin, the event highlighted QC Design’s advances in design-automation software and architectures for fault-tolerant quantum computing.
QC Design announces launch of fault-tolerance design automation tool Plaquette+ and first sale to QuiX Quantum
QC Design, a quantum computing company providing fault-tolerance software and architectures, has announced the launch of Plaquette+, a fault-tolerance design automation software providing cutting-edge fault-tolerance methods and hardware-tailored error models.
IQM Quantum Computers and QC Design partner to bring “Fault Tolerance” module to IQM academy
[Cross-posted from the IQM blog] QC Design, a quantum computing company that designs useful and scalable quantum computers, has partnered with IQM Quantum Computers to introduce a new training module dubbed “Fault Tolerance and Quantum Error Correction” (FT-QEC) to IQM Academy to broaden the learning opportunities for university students, educators, and quantum enthusiasts.