89 curated articles
To achieve large-scale fault-tolerant quantum computation, it may be easier to combine many small sets of qubits than to construct a single large set. For example via quantum error correction with block codes, or distributed quantum processors utilizing shared entanglement. In these regimes, the tim...
The trapped-ion optical-metastable-ground ($\textit{omg}$) architecture for quantum processors promises the full functionality of two-species experime...
As quantum computing progresses from proof-of-principle demonstrations toward practical utility, a significant impediment is the need to augment algor...
Installation of an integrated-photonics surface ion trap into an experimental vacuum system. The National Science Foundation (NSF) has selected a mult...
High rate quantum low-density parity-check codes on reconfigurable neutral-atom arrays can reduce the overhead of quantum error correction, but near-t...
Distributed quantum computing provides a scalable route for executing quantum circuits beyond the capacity limits of a single quantum processing unit ...
We apply time-reversal symmetry to quantum codes and show that it imposes parity selection rules on the physical error algebra. A time-reversal-invari...
Topologically ordered phases naturally realize quantum error correction through nonlocal encoding of quantum information. More recently, conformal fie...
High-dimensional nuclear spins offer a hardware-efficient route to quantum error correction (QEC), with the spin cat code providing intrinsic robustne...
Reaching fault tolerance means scaling qubit counts by orders of magnitude, a jump that conventional superconducting architectures cannot sustain with...
Neutral atom quantum computing utilizes laser-trapped neutral atoms as qubits and realizes quantum logic gate operations through Rydberg-state interac...
All realistic quantum systems are inevitably in contact with the environment. Suppressing theimpact of environmental noise is a critical challenge in ...
Quantum error correction (QEC) is indispensable for building scalable fault-tolerant quantum computers. Effective QEC demands stringent real-time deco...
Quantum error correction (QEC) and Quantum Darwinism describe opposing consequences of system-environment interactions: QEC seeks to preserve logical ...
Fault-tolerant quantum computing requires classical decoders that keep pace with the underlying hardware, translating syndrome measurements into corre...
Quantum error correction (QEC) is the most promising route toward fault-tolerant quantum computing and, thus, useful quantum computers. QEC operates a...
We introduce Pangaea, a fault-tolerant quantum architecture that uses a quantum bus to mediate logical operations between remote patches of two-dimens...
Yuval Boger interviews mathematician Gil Kalai about his long-standing skepticism regarding scalable quantum computing. Kalai explains two main argume...
Qubit loss occurs when the physical carrier of a qubit leaves the computational system without directly revealing the event's location. Such errors ar...
Quantum error correction (QEC) codes can correct twice as many erasure errors as Pauli errors. Because of this scaling advantage, there is significant...
High-rate quantum low-density parity-check (qLDPC) codes encode many logical qubits with low physical-qubit overhead, but realizing efficient fault-to...
Modular quantum computing is a leading paradigm for scaling quantum computation beyond the resource limitations of monolithic devices. In this archite...
Erasure-error detection can improve the efficiency of quantum error correction by revealing the times and locations of their error events. In this wor...
Insider Brief PRESS RELEASE — HRL Laboratories published a quantum computing milestone in Nature today: a quantum processor that runs itself. Quantum ...
Quantum error correction (QEC) developer Riverlane and non-profit research organization Unitary Foundation have launched the Deltakit Community Fund, ...
We investigate microscopic mechanisms underlying decoherence-induced transitions between topologically ordered states. As a first case study, we analy...
Quantum error correction (QEC) is indispensable for scalable fault-tolerant quantum computing. However, discovering QEC codes that remain effective is...
Insider Brief Press release – Riverlane, the world leader in quantum error correction (QEC), and the Unitary Foundation, a non-profit dedicated to sca...
Post-selected stabilizer state preparation is a necessary subroutine in fault-tolerant quantum computation, both for initialization of logical qubits,...
This is a short study of an approach offering high tolerance to damage (i.e. defects or 'drop outs') in solid state fault-tolerant quantum computing. ...
We present a strategic plan for neutral atom quantum computation, bringing together hardware development and theory advancements to achieve the goal o...
Implementing controlled dissipative dynamics is a powerful approach for state preparation in a variety of contexts, including the preparation of remot...
Rice University has officially joined the U.S. Department of Energy’s (DOE) Quantum Science Center (QSC), expanding its footprint in national fault-to...
Qubits with strongly biased noise, in which phase-flip errors are orders of magnitude more frequent than bit-flips, arise both naturally, as in electr...
Quantum nonlocality based on the violation of Bell-like inequalities constitutes a fundamental feature of quantum physics and drives the development o...
Real-time decoding is a critical bottleneck for large-scale fault-tolerant quantum computing. AI-based neural pre-decoders locally correct most physic...
We construct and experimentally implement compact gate-native circuits that simulate the state-transfer interference underlying three- and four-level ...
By applying the framework of entropic uncertainty relation (EUR) and the Quantum Leftover Hash Lemma (QLHL), we introduce a security-proof method for ...
Quantum LPDC codes provide a substantial reduction in qubit overhead required for fault-tolerant quantum computation compared to surface code, thanks ...
Interactions of cosmic rays and other forms of ionizing radiation pose a significant challenge to the reliable operation of state-of-the-art quantum d...
While quantum computers promise to solve classically intractable problems, identifying the point at which fault-tolerant quantum computation outperfor...
A significant challenge in the field of large-scale fault-tolerant quantum computation is the influence of noise. In addition to the influence of nois...
Neutral-atom arrays and trapped-ion crystals offer complementary strengths for fault-tolerant quantum computing but lack a fast way to deterministical...
Learning a classical description of a quantum state is a fundamental task in quantum computation. Among the most important classes of quantum states a...
Low-overhead quantum error-correction schemes are essential for enabling quantum computation on registers containing multiple logical qubits. For plan...
Gauge theories and quantum error-correcting codes share the same underlying structure: both use constraints to identify a specific subspace of the ful...
Schrödinger cat states provide a hardware-efficient platform for bosonic quantum error correction by encoding logical information in protected manifol...
The Elliptic Curve Discrete Logarithm Problem (ECDLP) is a fundamental problem in cryptography, and reducing the resource requirements of quantum algo...
We present a framework for foliating any Pauli-based quantum error-correcting code over prime-dimensional qudits. For any such code, we obtain a qudit...
Insider Brief NVIDIA has released an open-source AI-based quantum error correction decoder that the company says substantially improves the speed and ...
Fault-tolerant quantum computing requires a continuous hybrid quantum error correction (QEC) pipeline comprising measurement readout, syndrome transpo...
Insider Brief Press release – Quantum Elements, a provider of AI-powered digital twins for quantum computing developers, today announced a development...
Insider Brief Press release – On July 9, 2026, Logical Qubit Technology Co., Ltd hosted its Quantum Day 2026 event, officially unveiling its supercond...
NVIDIA’s Quantum Computing Division has introduced Ising, an open-source model family designed to deploy neural-network-driven control layers for faul...
Quantum hardware developer Nord Quantique has detailed an error-mitigation methodology that curtails State Preparation and Measurement (SPAM) error ra...
Silicon spin qubits are a leading candidate for large-scale quantum computing owing to their compatibility with semiconductor manufacturing. However, ...
Reliable qubit readout is a critical bottleneck toward fault-tolerant quantum computing (FTQC). In superconducting quantum processors, readout operati...
Distributed quantum computation needs to move logical qubits across lossy optical links, yet this transmission layer is usually designed separately fr...
Nature Physics, Published online: 13 July 2026; doi:10.1038/s41567-026-03315-2 Quantum error correction typically encodes one logical qubit across man...
Overview of RL control. Google Quantum AI has introduced a hardware-control framework that unifies real-time calibration with active quantum error cor...
Reinforcement learning uses error information to adjust control algorithms.
The scalability of neutral atom quantum computing demands integrated electronic control systems with low latency, modular architecture, and real-time ...
Bulk reconstruction is a central problem in AdS/CFT, and entanglement wedge reconstruction is its subregion version. We argue that this subregion stat...
Quantum error correction compatible with continuous symmetries is a fundamental problem in quantum information and a possible route to robust analog q...
This short report explores the (non exhaustive) current state of quantum technologies, their potential applications, and the challenges that must be a...
Tile codes are a family of planar quantum low-density parity-check (qLDPC) codes with weight-6 stabilizers and open boundary conditions, offering an e...
Real-time decoding is a major bottleneck in scaling quantum error correction (QEC) from noisy intermediate-scale quantum (NISQ) devices to fault-toler...
Quantum Error Recovery (QER) uses knowledge of the error channel acting on a quantum system to find optimal recovery maps. The scheme restores the unc...
Long-lived logical qubits are essential for fault-tolerant quantum computation. However, the practical performance of traditional error correction pro...
Insider Brief PRESS RELEASE — QuiX Quantum today released its vision of universal photonic quantum computing with logical qubits through Dedalo, the c...
In both classical and quantum error correction, heralded erasures are known to be easier to tolerate than unheralded general stochastic errors. Whilst...
Remarkable technical progress has made high-rate, high-distance, quantum low-density parity-check codes (QLDPC) promising candidates for scalable quan...
Fault-tolerant quantum computing requires architectures that simultaneously address scalability, connectivity, and error correction under realistic no...
Universal blind quantum computation (UBQC) hides a client's computation by using a computation-independent BFK09 brickwork graph and encoding the comp...
Advanced technological holding company Quantum X Labs Inc. (Nasdaq: QXL) has announced the launch of an integrated quantum software development progra...
Hybrid photonic quantum computers, combining stationary matter qubits and flying photonic qubits, offer an intrinsically networked and resource-effici...
We introduce a surface-code cultivation protocol for reusable logical catalyst states that implement exact fine dyadic phase gates $Z^{2^{-b}}$ by pha...
We propose a quantum computer architecture based on ions confined in optical tweezer arrays, combining the long coherence times of trapped-ion qubits ...
Superconducting transmon processors represent a leading platform for large-scale quantum computing due to their high gate fidelities and scalability. ...
Insider Brief PRESS RELEASE — Quantum Elements and USC today announced the publication of a new Quantum Monte Carlo algorithm in Physical Review Lette...
Quantum low-density parity-check (qLDPC) codes are promising candidates for realizing large-scale fault-tolerant quantum computing. Although many code...
Quantum communication between two distant parties will serve as a cornerstone of the future quantum internet. However, generating enough entangled Bel...
The fundamental position and momentum operators of quantum mechanics are unbounded, but finite rank compressions of the operators can be considered to...
Insider Brief PRESS RELEASE — IQM Quantum Computers, the global leader in superconducting quantum computers, today announced a significant achievement...
Fault-tolerant quantum error correction requires repeated syndrome extraction to address errors induced by the syndrome-extraction circuit itself. How...
We provide a pre-obfuscation circuit-level implementation of an efficient one shot signature scheme, which has known applications to delegated signatu...
Drawing on advances in superconducting qubit control schemes that unlock enriched native gate sets at the hardware level, we systematically examine ho...
Quantum platforms with beyond-planar connectivity provide new opportunities for fault-tolerant quantum computation (FTQC). While quantum low-density p...
The surface code is a promising route towards large-scale quantum computing, requiring only nearest-neighbour gates amenable to superconducting hardwa...