82 curated articles
Insider Brief PRESS RELEASE — Planckian today announced the appointment of Prof. Seth Lloyd as Founding Fellow. Lloyd, Professor of Mechanical Engineering at MIT and one of the foundational figures in quantum computing, will support Planckian’s technical roadmap with a focus on error correction stra...
Insider Brief A team of scientists say they developed a three-dimensional quantum system that can store quantum information for exponentially long per...
A new quantum-inspired algorithm has cracked a problem so massive that conventional supercomputers struggle to even approach it. Researchers used the ...
Quantum computation holds the promise of solving certain complex problems exponentially faster than classical computers. However, the high prevalent n...
Quantum error correction (QEC) is essential for enabling quantum advantages, with decoding as a central algorithmic primitive. Owing to its importance...
The ability to locally control and measure subsets of ancilla qubits in an efficient and crosstalk-free manner is a key ingredient in quantum error co...
We introduce a cavity-enhanced optical architecture for collective quantum processing in which logical qubits are encoded in the polarization subspace...
Quantum low-density parity-check codes are promising candidates for low-overhead fault-tolerant quantum computing, but degeneracy is known to impair t...
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In a comprehensive architectural series, IonQ has detailed the "Walking Cat" blueprint, a complete engineering specification for a fault-tolerant quan...
We present a fault-tolerant mapping of rotated surface codes onto a $2\times N$ silicon spin-qubit railway architecture, utilizing electron shuttling ...
Quantum error correction (QEC) is essential for achieving low error rates required for fault-tolerant quantum computation. In stabilizer-based codes s...
Quantum low density parity check (qLDPC) codes, particularly bivariate bicycle (BB) codes, achieve competitive fault tolerance thresholds while offeri...
Pauli-based computation (PBC) provides a universal framework for executing fault-tolerant quantum algorithms using Pauli measurements and magic states...
Bosonic quantum error correction encodes a logical qubit in an oscillator, avoiding the hardware overhead of large qubit arrays. Among such encodings,...
Finite local Hilbert-space truncations arise naturally in quantum simulations of lattice field theories and motivate qudit encodings, but their fault-...
Distributed Quantum Computing (DQC) and Quantum Error Correction (QEC) rely on dynamic circuits that include Mid-Circuit Measurements (MCMs) and class...
As emerging quantum architectures evolve into heterogeneous networks combining different physical substrates, such as qubits for logic and higher-dime...
We explore what the integrated use of quantum spatial distribution (QSD), or more specifically, superposition of both spin and position states of part...
Semiconductor spin qubits are a promising platform for large-scale quantum computing, but have yet to take full advantage of the broad class of quantu...
Quantum computers could solve problems beyond the reach of classical devices, but this potential depends on quantum error correction (QEC) to protect ...
Future quantum architectures are expected to be modular, with quantum processors connecting multiple quantum processing units (QPUs) via photonic inte...
We investigate the limits of quantum error correction (QEC) in neutral-atom processors approaching high-fidelity gates and fast cycle times. We show t...
Execution of quantum algorithms on large-scale quantum computers will require extremely low logical error rates, which necessitates the development of...
Bosonic quantum error correction enables hardware-efficient protection of quantum information by encoding logical qubits in harmonic oscillators. Boso...
Modular quantum computing architectures require error correction schemes that remain effective in the presence of noisy inter-processor operations. As...
Fault-tolerant quantum computing increasingly demands rigorous, circuit-level evaluation of diverse quantum error correction (QEC) protocols and effic...
Insider Brief A team of researchers at IonQ has published a technical blueprint for a fault-tolerant quantum computer built on trapped ions, describin...
As quantum hardware scales toward fault tolerant operation, the demand for correct quantum error correction (QEC) circuits far outpaces manual design ...
Insider Brief PRESS RELEASE — Today QC Design announced the launch of Gauge, an extension of its Plaquette platform that determines the optimal fault-...
QC Design has announced the launch of Gauge, a technical extension of its Plaquette software platform designed to determine the optimal fault-toleranc...
Recent advancements in neutral atom platforms have enabled exploration of early fault-tolerant (FT) architectures for applications with quantum advant...
We propose a fault-tolerant quantum computer architecture for trapped-ion devices, which we call the walking cat architecture. Our blueprint includes ...
Insider Brief A new study reports quantum error-correcting codes with encoding rates above 50% that can run efficiently on neutral-atom hardware while...
Hybrid continuous-variable--discrete-variable (CV--DV) architectures process quantum information in bosonic modes and qubits, but noise limits their p...
Standard quantum error correction (QEC) models typically assume discrete, Markovian noise, obscuring the continuous quantum nature of physical environ...
A research collaboration between QuEra Computing, Harvard University, and MIT has reported a quantum error correction (QEC) result demonstrating a phy...
Erasure qubits are a promising platform for implementing hardware-efficient quantum error correction. Realizing the error-correction advantages of thi...
Quantum error correction is widely believed to be essential for large-scale quantum computation, but the required qubit overhead remains a central cha...
Quantum protocols require classical signaling, and when classical signals propagate faster than quantum ones, standard rate-loss limits can be surpass...
We develop an intrinsic enumerator framework for quantum error correction in unitary representations of symmetry groups. An intrinsic quantum code is ...
Insider Brief PRESS RELEASE –C12, a Paris-based quantum computing company developing processors based on carbon nanotube spin qubits, today unveiled i...
Toward the large-scale, practical realization of quantum computing, quantum error correction is essential. Among various quantum error-correcting code...
The classical simulation of universal quantum circuits is crucial both fundamentally and practically for quantum computation. We propose SyQMA, a simu...
Partial quantum error correction and quantum error mitigation are expected to coexist in the pre-fault-tolerant regime, yet the resource advantage of ...
Concatenating quantum error correction codes scales error correction capability by driving logical error rates down double-exponentially across levels...
Researchers at UC San Diego’s Picasso Lab have released technical results evaluating the NVIDIA Ising neural pre-decoder. The study explores how light...
Matrix models are an important class of systems in string theory and theoretical physics, with applications to random matrix theory, quantum chaos, an...
Superconducting microwave quantum networks is a rapidly developing field, enabling distributed quantum computing and holding a promise for hybrid arch...
The logical S gate implemented via twist defect braiding in the surface code is one of the major sources of overhead in fault-tolerant quantum computi...
We propose and analyze an experimentally accessible Lindblad master equation for a quantum harmonic oscillator, simplifying a previous proposal to all...
Infleqtion has announced the integration of the NVIDIA Ising Decoding AI model into its Sqale neutral-atom quantum computing platform. The collaborati...
NVIDIA has announced the release of NVIDIA Ising, the world’s first family of open-source AI models specifically designed to address the engineering b...
Insider Brief PRESS RELEASE — NVIDIA today announced the world’s first family of open source quantum AI models, NVIDIA Ising, designed to help researc...
The $p_3$-PPT criterion is an experimentally viable relaxation of the well-known positive partial transposition (PPT) criterion for the certification ...
Measurement-based quantum computation (MBQC) is a framework for quantum information processing in which a computational task is carried out through on...
Concept from theoretical physics could reduce qubit requirements The post Gauge theory could give quantum error correction a boost appeared first on P...
We propose a novel measurement-free scheme for stabilizing a spin-oscillator hybrid qubit via autonomous quantum error correction. The engineered Lind...
We present a strategy for the quantum simulation of many-body lattice models with constrained Hilbert spaces. We focus on lattice gauge theories (LGTs...
The quantum computing community is increasingly positioning quantum processors as accelerators within classical HPC workflows, analogous to GPUs and T...
Insider Brief Don’t listen to TLC. When it comes to error correction, in fact, do go chasing waterfalls. A new study shows that artificial intelligenc...
Riverlane, a developer of quantum error correction (QEC) technology, has released performance metrics for its second-generation Deltaflow 2 system, de...
Quantum error correction (QEC) is essential for scalable quantum computing. However, it requires classical decoders that are fast and accurate enough ...
The Gottesman-Kitaev-Preskill (GKP) code is a promising bosonic candidate for realizing fault-tolerant quantum computation. Among existing error-corre...
Variational quantum algorithms (VQAs) have established themselves as a central computational paradigm in the Noisy Intermediate-Scale Quantum (NISQ) e...
Broadly applicable quantum advantage, particularly in classical data processing and machine learning, has been a fundamental open problem. In this wor...
Optical loss is a common bottleneck in photonic quantum information processing, undermining the quantum advantage over classical approaches. Although ...
Robust continuous-variable (CV) quantum information processing requires correcting realistic errors in bosonic systems, but all existing schemes rely ...
Quantum error correction is a crucial technology for fault tolerant quantum computing. On superconducting platforms, hardware defects in large scale q...
Dynamical decoupling is a long-established and effective way to suppress unwanted interactions in qubit systems, enabling advances in fields ranging f...
Mid-circuit measurements are one of the biggest practical hurdles in quantum error correction on encoded qubits. Researchers in Innsbruck and Aachen h...
Most people think of diamonds as high-end adornments. Not Ania Bleszynski Jayich. The UC Santa Barbara physicist sees diamonds, which she grows in the...
Yuval Boger interviews mathematician Gil Kalai about his long-standing skepticism regarding scalable quantum computing. Kalai explains two main argume...
Fault-tolerant quantum computing requires quantum error correction (QEC): Encoding one logical qubit into many physical qubits so that, below a thresh...
A University of Sydney quantum physicist has developed a new approach to quantum error correction that could significantly reduce the number of physic...
We introduce STAR-magic mutation, an efficient protocol for implementing logical rotation gates on early fault-tolerant quantum computers. This protoc...
To get the most out of today’s noisy quantum computers, quantum computational experiments commonly utilize quantum error mitigation (QEM) techniques. ...
Quantum computers have the potential to solve certain complex problems in a much more efficient way than classical computers. Nevertheless, current qu...
In the absence of error correction, noisy intermediate-scale quantum devices are operated by training parametrized quantum circuits (PQCs) so as to mi...
Quantum error correction (QEC) is critical for scalable fault-tolerant quantum computing. Topological codes, such as the toric code, offer hardware-ef...
Reliable quantum memory is essential for scalable quantum networks and fault-tolerant photonic quantum computing. We present a quantitative analysis o...
In continuous-variable quantum computing, autonomous quantum error correction (QEC) can dissipatively steer a noisy quantum state into a target state ...
Insider Brief PRESS RELEASE — Alice & Bob announces accelerated quantum error correction decoding through GPU-accelerated simulation using the NVIDIA ...