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phys.org
news
https://phys.org/news/2026-03-approach-quantum-error-portends-scalable.html
A University of Sydney quantum physicist has developed a new approach to quantum error correction that could significantly reduce the number of physical qubits required to build large-scale, fault-tolerant quantum computers. [**Quantum algorithms & computation**](https://phys.org/concepts/quantum-algorithms-computation/)[**Quantum field theory**](https://phys.org/concepts/quantum-field-theory/). **Citation**: Novel approach to quantum error correction portends a scalable future for quantum computing (2026, April 2) retrieved 16 April 2026 from https://phys.org/news/2026-03-approach-quantum-error-portends-scalable.html. 1 minute ago](https://phys.org/news/2026-04-bird-tortoise-fossil-tracks-south.html) [. 22 minutes ago](https://phys.org/news/2026-04-baby-neanderthals-rapid-growth-spurt.html) [. 24 minutes ago](https://phys.org/news/2026-04-uranus-outer-starkly.html) [. 42 minutes ago](https://phys.org/news/2026-04-ancient-stone-compass-needles.html) [. 1 hour ago](https://phys.org/news/2026-04-massive-atlantic-sargassum-blooms-west.html) [. 1 hour ago](https://phys.org/news/2026-04-regrowing-human-limbs-salamander-gene.html) [. 1 hour ago](https://phys.org/news/2026-04-electric-layer-emerges-electrocatalyst-interface.html) [. 2 hours ago](https://phys.org/news/2026-04-cyanobacteria-scientists-evolutionary-shift.html) [. 2 hours ago](https://phys.org/news/2026-04-scientists-shifting-tissue-cells-flat.html) [. 2 hours ago](https://phys.org/news/2026-04-bodied-sharks-tunas-jeopardy-seas.html). More from [Quantum Physics](https://www.physicsforums.com/forums/quantum-physics.62/). 3 hours ago](https://phys.org/news/2026-04-quantum-fourier-qubits-shattering-previous.html) [. 20 hours ago](https://phys.org/news/2026-04-quantum-algorithm-million-site-quasicrystal.html) [. 22 hours ago](https://phys.org/news/2026-04-quantum-simulations-reveal-1d-materials.html). Apr 15, 2026](https://phys.org/news/2026-04-scientists-wavelength-lasers-tiny-circuits.html) [. Apr 15, 2026](https://phys.org/news/2026-04-multitasking-quantum-sensors-properties.html) [. Apr 14, 2026](https://phys.org/news/2026-04-smart-cable-quantum-big-boost.html). A new quantum error correction method based on gauge theory enables efficient logical processing while minimizing the number of physical qubits needed for fault-tolerant quantum computing.
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quantum.microsoft.com
article
https://quantum.microsoft.com/en-us/insights/education/concepts/quantum-error…
Error correction is crucial for both classical and quantum computers to ensure reliable computation. Current state-of-the-art quantum computers have error rates that are typically in the range of 1% to 0.1%, that is on average one out of every 100 to 1000 quantum gate operations will result in an error. Errors on quantum computers can manifest as bit flips as well. Error correction is crucial for both classical and quantum computers to ensure reliable computation. Errors on quantum computers can manifest as bit flips as well. Quantum error correction is likely to be a crucial component of practical, scaled quantum computing. Some common quantum error correction codes include:. It has a high error correction threshold and is considered one of the most promising techniques for large-scale, fault-tolerant quantum computing. Quantum error correction techniques enable the construction of logical qubits from multiple physical qubits, reducing the impact of errors on the overall computation and making it possible to scale up quantum computers.
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thequantuminsider.com
article
https://thequantuminsider.com/2026/03/16/understanding-quantum-error-correcti…
[Skip to content](https://thequantuminsider.com/2026/03/16/understanding-quantum-error-correction-physical-logical-qubits/#content). [Subscribe](https://thequantuminsider.com/2026/03/16/understanding-quantum-error-correction-physical-logical-qubits/#link-popup). [Subscribe](https://thequantuminsider.com/2026/03/16/understanding-quantum-error-correction-physical-logical-qubits/#link-popup). * [Why Do Quantum Computers Need Error Correction?](https://thequantuminsider.com/2026/03/16/understanding-quantum-error-correction-physical-logical-qubits/#Why_Do_Quantum_Computers_Need_Error_Correction). * [When Will Error-Corrected Quantum Computers Become Practical?](https://thequantuminsider.com/2026/03/16/understanding-quantum-error-correction-physical-logical-qubits/#When_Will_Error-Corrected_Quantum_Computers_Become_Practical). * [Frequently Asked Questions](https://thequantuminsider.com/2026/03/16/understanding-quantum-error-correction-physical-logical-qubits/#Frequently_Asked_Questions). * [Why Do Quantum Computers Need Error Correction?](https://thequantuminsider.com/2026/03/16/understanding-quantum-error-correction-physical-logical-qubits/#Why_Do_Quantum_Computers_Need_Error_Correction). * [When Will Error-Corrected Quantum Computers Become Practical?](https://thequantuminsider.com/2026/03/16/understanding-quantum-error-correction-physical-logical-qubits/#When_Will_Error-Corrected_Quantum_Computers_Become_Practical). * [Frequently Asked Questions](https://thequantuminsider.com/2026/03/16/understanding-quantum-error-correction-physical-logical-qubits/#Frequently_Asked_Questions). This is why recent [demonstrations from Google, IBM, and others](https://thequantuminsider.com/2025/06/10/ibm-offers-roadmap-toward-large-scale-fault-tolerant-quantum-computer-at-new-ibm-quantum-data-center/) focus not just on qubit counts but on achieving error correction milestones: showing that logical error rates decrease as more physical qubits are added, demonstrating fault-tolerant operations on logical qubits, and scaling to multiple logical qubits working together. **Google Quantum AI** made headlines in December 2024 with the [announcement of its Willow chip](https://thequantuminsider.com/2025/12/12/google-opens-its-advanced-willow-chip-to-uk-researchers-in-search-for-practical-uses/), demonstrating that adding more physical qubits reduced logical error rates – a critical milestone called “below-threshold error correction.” The company continues to push surface code implementations and is building systems targeting millions of physical qubits. [×](https://thequantuminsider.com/2026/03/16/understanding-quantum-error-correction-physical-logical-qubits/#). * [When Will Error-Corrected Quantum Computers Become Practical?](https://thequantuminsider.com/2026/03/16/understanding-quantum-error-correction-physical-logical-qubits/#When_Will_Error-Corrected_Quantum_Computers_Become_Practical). * [Frequently Asked Questions](https://thequantuminsider.com/2026/03/16/understanding-quantum-error-correction-physical-logical-qubits/#Frequently_Asked_Questions). [→Index](https://thequantuminsider.com/2026/03/16/understanding-quantum-error-correction-physical-logical-qubits/#).
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q-ctrl.com
article
https://q-ctrl.com/topics/what-is-quantum-error-correction
# What is quantum error correction? ## From noise to error in quantum computing. Here we’ll get to the heart of why quantum computing is really hard: noise and error. ## Quantum error correction. Quantum error correction - or QEC for short - is an algorithm known to identify and fix errors in quantum computers. ## Quantum firmware and quantum error correction. In the context of QEC, quantum firmware actually reduces the number of qubits required to perform error correction. Looking to the future we see that a holistic approach to dealing with noise and errors in quantum computers is essential. Quantum error correction is a core part of the story, and combined with performance-boosting quantum firmware we see a clear pathway to the future of large-scale quantum computers. Duis cursus, mi quis viverra ornare, eros dolor interdum nulla, ut commodo diam libero vitae erat. #### What is quantum error correction?
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quantum-machines.co
article
https://www.quantum-machines.co/blog/scalable-quantum-error-correction/
* [ OPX1000 Modular High-Density Quantum Control Platform](https://www.quantum-machines.co/products/opx1000/). * [ OPX+ Ultra-Fast Quantum Controller](https://www.quantum-machines.co/products/opx/). * [ QSwitch Software-Controlled Breakout Box](https://www.quantum-machines.co/products/qswitch/). * [ Cryogenic Electronics](https://www.quantum-machines.co/products/cryogenic-control-systems/). * [ Advancing Quantum Research](https://www.quantum-machines.co/solutions/quantum-research/). * [ Quantum Computing at Scale](https://www.quantum-machines.co/solutions/quantum-computing-at-scale/). * [ Quantum for HPC](https://www.quantum-machines.co/solutions/quantum-for-hpc/). * [ Quantum Control for Transducers](https://www.quantum-machines.co/solutions/transducers/). * [ Quantum Sensing](https://www.quantum-machines.co/solutions/quantum-sensing-2/). * [ Quantum Networks](https://www.quantum-machines.co/solutions/quantum-networks/). * [ Superconducting](https://www.quantum-machines.co/solutions/superconducting-qubits/). * [ Semiconductor Spins](https://www.quantum-machines.co/solutions/quantum-dots/). * [ Optically Addressable](https://www.quantum-machines.co/solutions/defect-centers-optically-addressable-qubits/). * [ Neutral Atoms](https://www.quantum-machines.co/solutions/neutral-atoms/). * [ OPX1000 Microwave Module The Microwave Frontend Module for OPX1000 sets a new benchmark for controllers.](https://www.quantum-machines.co/blog/opx1000-new-microware-module-boosts-quantum-computing/). * [ PPU Real-Time Quantum Control at the Pulse Level](https://www.quantum-machines.co/technology/pulse-processing-unit/). * [ Blog](https://www.quantum-machines.co/blog/). * [ Brochures](https://www.quantum-machines.co/resources/brochures/). * [ Podcasts](https://www.quantum-machines.co/resources/podcasts/). * [ Videos](https://www.quantum-machines.co/resources/videos/). * [ Events](https://www.quantum-machines.co/events/). * [ FAQ](https://www.quantum-machines.co/faq/). * [ Finally: A Practical way to Benchmark Quantum Controllers A framework for evaluating quantum control solutions](https://www.quantum-machines.co/blog/pioneering-quantum-networking-achieving-scalable-entanglement-of-remote-distinguishable-qubits/). * [ About Us](https://www.quantum-machines.co/about/).
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bluequbit.io
article
https://www.bluequbit.io/blog/quantum-error-correction
# What Is Quantum Error Correction: The Key to Quantum Computing. ## What Is Quantum Error Correction? Entangling these qubits helps detect and correct quantum errors without having to directly measure the qubits’ states. ## Types of Quantum Error Correction. Advanced quantum error-correcting codes, such as the Shor code, are designed to correct bit-phase flip errors by encoding the logical qubit in a way that protects it from all common types of quantum errors. QEC allows quantum systems to pinpoint and correct errors without directly measuring qubit states. Building hardware and software systems that can carry out error correction accurately without adding noise is a key challenge for reliable quantum computing. On top of that, making sure that error correction works hand-in-hand with quantum computations requires advancements in both hardware and algorithm development. ### What is quantum error correction? Quantum entanglement error correction uses the entangled state of qubits to detect and fix errors in a quantum system without collapsing their quantum state.
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thequantumrecord.com
article
https://thequantumrecord.com/quantum-computing/breakthrough-in-quantum-error-…
Breakthroughs in correcting errors through the use of logical qubits and other methods brings practical quantum computing closer to reality.
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lerner.ccf.org
news
https://www.lerner.ccf.org/news/article/?title=Researchers+design+new+quantum…
[❮News](https://www.lerner.ccf.org/news/)[Researchers design new quantum error correction strategies](https://www.lerner.ccf.org/news/article/?title=Researchers+design+new+quantum+error+correction+strategies&id=14f1e822ddfd0868e1e85de74ecca7895b8858e7). One of the last steps in achieving quantum computing’s potential is developing quantum error correction methods.Researchers in Cleveland Clinic’s [Center for Computational Life Sciences](https://my.clevelandclinic.org/research/computational-life-sciences) (CCLS) are taking on the challenge of creating new methods to ensure accurate results from quantum computations. [Ahmet Erdemir](https://www.lerner.ccf.org/biomedical-engineering/erdemir/), PhD, CCLS Associate Staff, says when it comes to quantum computing, we are still in the critical beginning stages of applying quantum computing to research problems. CCLS’ [Daniel Blankenberg](https://www.lerner.ccf.org/computational-medicine/blankenberg/), PhD, CCLS Assistant Staff, and Bryan Raubenolt, PhD, a postdoctoral fellow, are working on a hybrid model that applies a mix of quantum and classical computing methods to ensure accuracy. In [collaboration with IBM](https://my.clevelandclinic.org/research/computational-life-sciences/discovery-accelerator), Drs. Blankenberg and Raubenolt are creating a framework to [accurately predict the structure of proteins](https://www.lerner.ccf.org/news/article/?title=Cleveland+Clinic+and+IBM+researchers+apply+quantum+computing+methods+to+protein+structure+prediction&id=adbed13da81d74850350f76d9e125b3eb23121d8) by treating it as an optimization problem for the quantum computer to solve. A team led by [Kenneth Merz](https://www.lerner.ccf.org/computational-medicine/merz/), PhD, is taking another approach: implementing error correction using a classical computer after running the initial calculations on a quantum computer. [](https://www.lerner.ccf.org/news/article/?title=Researchers+design+new+quantum+error+correction+strategies&id=14f1e822ddfd0868e1e85de74ecca7895b8858e7#).