Kinetic-inductance-incorporated quantization for accurate Hamiltonian prediction in superconducting circuits

• Abstract We propose an improved method for quantizing superconducting circuits that incorporates material- and geometry-dependent kinetic inductance • Our approach models thin su

Quantum Computing · February 26, 2026 (updated February 26, 2026) · 1 min · 209 words

Learning parameterized quantum circuits with quantum gradient

• Abstract Parameterized quantum circuits (PQCs) are crucial for quantum machine learning and circuit synthesis, enabling the practical implementation of complex quantum tasks • Ho

Quantum Computing · February 26, 2026 (updated February 26, 2026) · 2 min · 220 words

Towards telecom-compatible quantum nodes using erbium-doped stoichiometric EuCl<sub>3</sub> ⋅ 6H<sub>2</sub>O crystals

• Subjects Quantum information Quantum optics Abstract Doping erbium ions into europium-based hosts offers a promising platform for quantum repeater nodes, combining europium’s exc

Quantum Computing · February 26, 2026 (updated February 26, 2026) · 2 min · 257 words

Quobly and Entropica Labs Form Strategic Alliance to Advance Silicon-Based Fault Tolerance

• Quobly, a French pioneer in silicon-based quantum computing, and Entropica Labs, a Singapore-based quantum software firm, have signed a Memorandum of Understanding (MoU) to co-de

Quantum Computing · February 26, 2026 (updated February 26, 2026) · 1 min · 169 words
Keeper Security Integrates Kyber to Provide Quantum-Resistant Identity Protection

Keeper Security Integrates Kyber to Provide Quantum-Resistant Identity Protection

• Keeper Securityhas announced the integration of theKyberkey encapsulation mechanism across its platform to protect against future quantum computing threats • Kyber, a lattice-bas

Quantum Computing · February 26, 2026 (updated February 26, 2026) · 2 min · 214 words
The Man Who Stole Infinity

The Man Who Stole Infinity

• The Man Who Stole Infinity When Demian Goos followed Karin Richter into her office on March 12 of last year, the first thing he noticed was the bust • It sat atop a tall pedestal

Quantum Computing · February 25, 2026 (updated February 25, 2026) · 2 min · 234 words

Unveiling clean two-dimensional discrete time crystals on a digital quantum computer

• Abstract Periodically driven (Floquet) many-body systems tend to absorb energy and approach an infinite-temperature state, yet can host emergent order such as discrete time cryst

Quantum Computing · February 25, 2026 (updated February 25, 2026) · 2 min · 290 words
4colors Research Secures UK Space Agency and NQCC SparQ Contracts for Optimization

4colors Research Secures UK Space Agency and NQCC SparQ Contracts for Optimization

• 4colors Researchhas been awarded two separate contracts to advance optimization capabilities in the space and aerospace sectors. • The first is a proof-of-concept contract from t

Quantum Computing · February 24, 2026 (updated February 25, 2026) · 2 min · 244 words
Quantcore Secures £2.5M ($3.4M USD) to Establish Sovereign Niobium-Based Quantum Hardware Manufacturing

Quantcore Secures £2.5M ($3.4M USD) to Establish Sovereign Niobium-Based Quantum Hardware Manufacturing

• Quantcore, aUniversity of Glasgowspin-out, has closed a £2.5 million ($3.4 million USD) seed funding round co-led byPXN Ventures,Blackfinch Ventures, andScottish Enterprise, with

Quantum Computing · February 24, 2026 (updated February 25, 2026) · 2 min · 222 words

Simulating sparse SYK model with a randomized algorithm on a trapped-ion quantum computer

• Abstract The Sachdev-Ye-Kitaev (SYK) model describes a strongly correlated quantum system that shows a strong signature of quantum chaos. • Due to its chaotic nature, the simulat

Quantum Computing · February 24, 2026 (updated February 25, 2026) · 2 min · 358 words

Hybrid quantum-classical clustering for preparing a prior distribution of eigenspectrum

• Abstract Determining the energy gap in a quantum many-body system is critical to understanding its behavior and is important in quantum chemistry and condensed matter physics. •

Quantum Computing · February 24, 2026 (updated February 25, 2026) · 2 min · 398 words

Overcoming Dimensional Factorization Limits in Discrete Diffusion Models through Quantum Joint Distribution Learning

• Abstract Discrete diffusion models typically rely on dimension-wise factorization to avoid computational intractability. • However, we rigorously prove this approach leads to wor

Quantum Computing · February 24, 2026 (updated February 24, 2026) · 2 min · 241 words

Symbolic analysis of Grover search algorithm via Chain-of-Thought reasoning and quantum-native tokenization

• Subjects Mathematics and computing Physics Abstract Understanding the high-level conceptual structure of quantum algorithms from their low-level circuit representations is a crit

Quantum Computing · February 24, 2026 (updated February 24, 2026) · 2 min · 257 words

A Variational Qubit-Efficient MaxCut Heuristic Algorithm

• Abstract MaxCut is a key NP-hard combinatorial optimization problem. • Quantum computing offers methods to solve such problems potentially better than classical counterparts, wit

Quantum Computing · February 24, 2026 (updated February 24, 2026) · 2 min · 245 words

Quantum simulation via stochastic combination of unitaries

• Abstract Quantum simulation algorithms often require numerous ancilla qubits and deep circuits, prohibitive for near-term hardware. • We introduce a framework for simulating quan

Quantum Computing · February 24, 2026 (updated February 25, 2026) · 2 min · 314 words

Improved quantum computation using operator backpropagation

• Abstract Decoherence of quantum hardware is currently limiting its practical applications. • At the same time, classical algorithms for simulating quantum circuits have progresse

Quantum Computing · February 24, 2026 (updated February 25, 2026) · 2 min · 372 words

Entanglement buffering with multiple quantum memories

• Abstract Entanglement buffers are systems that maintain high-quality entanglement, ensuring it is readily available for consumption when needed. • We study the performance of a t

Quantum Computing · February 24, 2026 (updated February 25, 2026) · 2 min · 333 words

Unfolded distillation: very low-cost magic state preparation for biased-noise qubits

• Abstract Magic state distillation enables universal fault-tolerant quantum computation by implementing non-Clifford gates via the preparation of high-fidelity magic states. • How

Quantum Computing · February 24, 2026 (updated February 25, 2026) · 2 min · 416 words

TensorHyper-VQC: a tensor-train-guided hypernetwork for robust and scalable variational quantum computing

• Abstract Variational Quantum Computing (VQC) faces fundamental scalability barriers, primarily due to the presence of barren plateaus and its sensitivity to quantum noise. • To a

Quantum Computing · February 24, 2026 (updated February 25, 2026) · 2 min · 337 words
IonQ Selected for Missile Defense Agency SHIELD IDIQ Contract

IonQ Selected for Missile Defense Agency SHIELD IDIQ Contract

• IonQ(NYSE: IONQ) has been selected as an eligible contractor for theMissile Defense Agency (MDA)Scalable Homeland Innovative Enterprise Layered Defense (SHIELD)indefinite-deliver

Quantum Computing · February 23, 2026 (updated February 25, 2026) · 2 min · 416 words
NQFF and Qolab Collaborate on Wafer-Scale Cryogenic Filters for Quantum Scaling

NQFF and Qolab Collaborate on Wafer-Scale Cryogenic Filters for Quantum Scaling

• TheNational Quantum Federated Foundry (NQFF)andQolabhave entered into a research collaboration to develop integrated cryogenic low-pass filters for quantum processors. • The proj

Quantum Computing · February 23, 2026 (updated February 25, 2026) · 2 min · 302 words
How Can Infinity Come in Many Sizes?

How Can Infinity Come in Many Sizes?

• An editorially independent publication supported by the Simons Foundation. • Get the latest news delivered to your inbox. • Type search term(s) and press enter Popular Searches F

Quantum Computing · February 23, 2026 (updated February 25, 2026) · 3 min · 492 words
IQM to List on U.S. Exchange via Merger with Real Asset Acquisition Corp.

IQM to List on U.S. Exchange via Merger with Real Asset Acquisition Corp.

• IQM Finland OyandReal Asset Acquisition Corp.(Nasdaq: RAAQ) have entered into a definitive business combination agreement, positioning IQM as the first European quantum computing

Quantum Computing · February 23, 2026 (updated February 25, 2026) · 2 min · 376 words
Australian Government Allocates $12.7M AUD ($9M USD) to Industrialize Quantum Prototypes

Australian Government Allocates $12.7M AUD ($9M USD) to Industrialize Quantum Prototypes

• TheAustralian Governmenthas finalized $12.7 million AUD ($9 million USD) in funding for eight projects under Stage 2 of theCritical Technologies Challenge Program (CTCP). • This

Quantum Computing · February 23, 2026 (updated February 25, 2026) · 2 min · 348 words

TensorHyper-VQC: a tensor-train-guided hypernetwork for robust and scalable variational quantum computing

• Abstract Variational Quantum Computing (VQC) faces fundamental scalability barriers, primarily due to the presence of barren plateaus and its sensitivity to quantum noise. • To a

Quantum Computing · February 22, 2026 (updated February 23, 2026) · 2 min · 227 words
Quantum Elements Secures Additional Funding for AI-Driven Development Platform

Quantum Elements Secures Additional Funding for AI-Driven Development Platform

• Quantum Elements, a Los Angeles-based startup focused on streamlining quantum application development has received new funding. • The investment, structured as aSAFE, also includ

Quantum Computing · February 22, 2026 (updated February 25, 2026) · 1 min · 210 words

An automated geometric space curve approach for designing dynamically corrected gates

• BARQ uses Bézier curves to design single‑qubit dynamically corrected gates, separating gate target from noise suppression. • The space‑curve formalism maps quantum evolution to g

Quantum Computing · February 22, 2026 (updated February 24, 2026) · 1 min · 190 words

Overcoming Dimensional Factorization Limits in Discrete Diffusion Models through Quantum Joint Distribution Learning

• Abstract Discrete diffusion models typically rely on dimension-wise factorization to avoid computational intractability. • However, we rigorously prove this approach leads to wor

Quantum Computing · February 22, 2026 (updated February 23, 2026) · 2 min · 242 words

Symbolic analysis of Grover search algorithm via Chain-of-Thought reasoning and quantum-native tokenization

• Subjects Mathematics and computing Physics Abstract Understanding the high-level conceptual structure of quantum algorithms from their low-level circuit representations is a crit

Quantum Computing · February 22, 2026 (updated February 23, 2026) · 2 min · 250 words

A Variational Qubit-Efficient MaxCut Heuristic Algorithm

• Abstract MaxCut is a key NP-hard combinatorial optimization problem. • Quantum computing offers methods to solve such problems potentially better than classical counterparts, wit

Quantum Computing · February 22, 2026 (updated February 23, 2026) · 2 min · 237 words

Quantum simulation via stochastic combination of unitaries

• Abstract Quantum simulation algorithms often require numerous ancilla qubits and deep circuits, prohibitive for near-term hardware. • We introduce a framework for simulating quan

Quantum Computing · February 22, 2026 (updated February 23, 2026) · 1 min · 211 words

Improved quantum computation using operator backpropagation

• Abstract Decoherence of quantum hardware is currently limiting its practical applications. • At the same time, classical algorithms for simulating quantum circuits have progresse

Quantum Computing · February 22, 2026 (updated February 23, 2026) · 2 min · 268 words

Entanglement buffering with multiple quantum memories

• Abstract Entanglement buffers are systems that maintain high-quality entanglement, ensuring it is readily available for consumption when needed. • We study the performance of a t

Quantum Computing · February 22, 2026 (updated February 23, 2026) · 1 min · 210 words

Unfolded distillation: very low-cost magic state preparation for biased-noise qubits

• Abstract Magic state distillation enables universal fault-tolerant quantum computation by implementing non-Clifford gates via the preparation of high-fidelity magic states. • How

Quantum Computing · February 22, 2026 (updated February 23, 2026) · 2 min · 268 words
UCalgary Joins National Quantum Co-laboratory to Expand Distributed Research Infrastructure

UCalgary Joins National Quantum Co-laboratory to Expand Distributed Research Infrastructure

• TheUniversity of Calgary’s Institute for Quantum Science and Technology (IQST)has joined the national Quantum Co-laboratory as the network enters its second five-year term. • Thi

Quantum Computing · February 21, 2026 (updated February 25, 2026) · 2 min · 218 words
Tectonic Labs Releases PQ Wallet and Post-Quantum Audit Services for EVM Chains

Tectonic Labs Releases PQ Wallet and Post-Quantum Audit Services for EVM Chains

• Tectonic Labshas releasedPQ Wallet, a browser-based EVM extension supporting Falcon-512 quantum-resistant signatures. • The implementation operates at the application layer, main

Quantum Computing · February 21, 2026 (updated February 25, 2026) · 2 min · 222 words
MerLin: Framework for Differentiable Photonic Quantum Machine Learning

MerLin: Framework for Differentiable Photonic Quantum Machine Learning

• MerLin 0.3is an open-source framework developed byQuandelafor the systematic exploration of photonic and hybrid quantum machine learning (QML). • Built on the Perceval SDK, it ut

Quantum Computing · February 21, 2026 (updated February 25, 2026) · 2 min · 236 words

Efficient witnessing and testing of magic in mixed quantum states

• Abstract Nonstabilizerness, or ‘magic’, is a crucial resource for quantum computation, but quantifying the magic of mixed states has been a notoriously difficult task. • We intro

Quantum Computing · February 21, 2026 (updated February 24, 2026) · 2 min · 283 words

Statistics-informed parameterized quantum circuit: towards practical quantum state preparation and learning via maximum entropy principle

• Abstract Quantum computing offers significant potential for tackling complex problems, yet preparing quantum states from real-world data remains a critical challenge. • We introd

Quantum Computing · February 21, 2026 (updated February 24, 2026) · 2 min · 236 words
Quantum and Games: The Shift Developers Can't Afford to Ignore

Quantum and Games: The Shift Developers Can't Afford to Ignore

• Guest Post by Dr James Wootton, CSO atMoth Game developers work at the frontier of innovation when it comes to what can be achieved with classical computing. • Every year, games

Quantum Computing · February 20, 2026 (updated February 24, 2026) · 1 min · 210 words
Climate Physicists Face the Ghosts in Their Machines: Clouds

Climate Physicists Face the Ghosts in Their Machines: Clouds

• Climate Physicists Face the Ghosts in Their Machines: Clouds Introduction In October 2008, Chris Bretherton lifted off from the coast of northern Chile in a C-130 turboprop plane

Quantum Computing · February 20, 2026 (updated February 25, 2026) · 2 min · 406 words
SEALSQ Increases Strategic Investment in EeroQ to Advance 'Quantum Made in USA' Strategy

SEALSQ Increases Strategic Investment in EeroQ to Advance 'Quantum Made in USA' Strategy

• SEALSQ Corp(NASDAQ: LAES) has finalized a second strategic investment inEeroQ, a U.S.-based quantum hardware company developing an architecture based on electrons on superfluid h

Quantum Computing · February 20, 2026 (updated February 24, 2026) · 2 min · 300 words
Tower Semiconductor and Xanadu Industrialize Silicon Photonic Quantum Stack

Tower Semiconductor and Xanadu Industrialize Silicon Photonic Quantum Stack

• Tower SemiconductorandXanaduhave expanded their partnership to develop a manufacturable silicon photonics platform for fault-tolerant quantum computing. • This collaboration util

Quantum Computing · February 20, 2026 (updated February 24, 2026) · 2 min · 239 words
Quantum eMotion to Transition Trading Operations to NYSE American Exchange

Quantum eMotion to Transition Trading Operations to NYSE American Exchange

• Quantum eMotion Corp.(TSXV: QNC, FSE: 34Q0) has received approval to list its common shares on the NYSE American. • Trading is scheduled to commence at market open on approximate

Quantum Computing · February 20, 2026 (updated February 24, 2026) · 2 min · 252 words
AQT Integrates IBEX Q1 Trapped-Ion QPU into Scaleway Sovereign Cloud

AQT Integrates IBEX Q1 Trapped-Ion QPU into Scaleway Sovereign Cloud

• Alpine Quantum Technologies (AQT)andScalewayhave established a partnership to integrate theIBEX Q1trapped-ion quantum processing unit (QPU) into Scaleway’s Quantum-as-a-Service (

Quantum Computing · February 20, 2026 (updated February 24, 2026) · 2 min · 231 words
D-Wave Integrates into SQC to Drive Regional Quantum Hardware Deployment

D-Wave Integrates into SQC to Drive Regional Quantum Hardware Deployment

• D-Wave Quantum Inc.(NYSE: QBTS) has been named an inaugural member of theSoutheastern Quantum Collaborative (SQC), joining a consortium that includes theUniversity of Alabama in

Quantum Computing · February 20, 2026 (updated February 24, 2026) · 2 min · 256 words
Quantum computing for corrosion simulation: workflow and resource analysis

Quantum computing for corrosion simulation: workflow and resource analysis

• Abstract Corrosion is a pervasive issue that impacts the structural integrity and performance of materials across various industries, imposing a significant economic impact globa

Quantum Computing · February 19, 2026 (updated February 24, 2026) · 1 min · 177 words

Time-resolved certification of frequency-bin entanglement over multi-mode channels

• Abstract Frequency-bin entangled photons can be efficiently produced on-chip which offers a scalable, robust and low-footprint platform for quantum communication, particularly we

Quantum Computing · February 19, 2026 (updated February 24, 2026) · 1 min · 159 words

MicroAlign Secures €2.5M ($3M USD) EIC Funding for Industrialization of Quantum Fiber Arrays

• MicroAlign secures €2.5M ($3M) EIC Accelerator Grant to boost quantum fiber array production. • Funding supports transition from prototype to scalable manufacturing of high‑preci

Quantum Computing · February 19, 2026 (updated February 24, 2026) · 1 min · 170 words
IBM Ventures Invests in SQK and QodeX Quantum for Specialized Software Development

IBM Ventures Invests in SQK and QodeX Quantum for Specialized Software Development

• IBM Ventureshas announced new investments inSQKandQodeX Quantum, two early-stage startups participating in theAlchemist Chicagodeep tech accelerator. • These investments represen

Quantum Computing · February 19, 2026 (updated February 24, 2026) · 2 min · 240 words
Palm Beach County Receives $1M Federal Funding to Expand Quantum Ecosystem

Palm Beach County Receives $1M Federal Funding to Expand Quantum Ecosystem

• TheBusiness Development Board of Palm Beach County (BDB)has been awarded $1,031,000 in federal funding to facilitate regional coordination and workforce development in quantum te

Quantum Computing · February 19, 2026 (updated February 24, 2026) · 2 min · 298 words
Aliro Raises $15 Million to Advance Physics-Based Network Security

Aliro Raises $15 Million to Advance Physics-Based Network Security

• Alirohas raised $15 million in an oversubscribed funding round led byGutbrain Ventures, with participation fromCisco Investments,Argon Ventures, andWonderstone Ventures. • The co

Quantum Computing · February 18, 2026 (updated February 24, 2026) · 2 min · 255 words

Qunnect and Cisco Demonstrate Quantum Entanglement over a Quantum Network in New York City

• In a continued advance in quantum networking Qunnect has teamed up with Cisco to demonstrate high-speed, high-fidelity entanglement swapping on their GothamQ network in New York

Quantum Computing · February 18, 2026 (updated February 24, 2026) · 1 min · 160 words
SEALSQ and Lattice Deliver Unified TPM-FPGA Architecture for Post-Quantum Security

SEALSQ and Lattice Deliver Unified TPM-FPGA Architecture for Post-Quantum Security

• SEALSQ Corp(NASDAQ: LAES) andLattice Semiconductor(NASDAQ: LSCC) have announced a collaboration to integrate advanced post-quantum cryptography (PQC) into select Lattice FPGA sol

Quantum Computing · February 18, 2026 (updated February 24, 2026) · 2 min · 226 words
Quantonation Closes €220 Million ($260 Million USD) Second Fund to Scale Physics-Based Technologies

Quantonation Closes €220 Million ($260 Million USD) Second Fund to Scale Physics-Based Technologies

Quantonation Ventures closes €220M second fund, surpassing €200M target and becoming largest quantum investment vehicle. Fund size doubles first €91M fund, signaling shift from ear

Quantum Computing · February 18, 2026 (updated February 24, 2026) · 1 min · 204 words

UK Dstl Completes Trials for Next-Generation Atomic Clock Technology

• Dstl completes trials of next‑gen atomic clocks for military PNT resilience. • New clocks aim to provide reliable fallback to GPS, enhancing UK forces’ navigation. • Trials focus

Quantum Computing · February 18, 2026 (updated February 24, 2026) · 1 min · 170 words
The Biophysical World Inside a Jam-Packed Cell

The Biophysical World Inside a Jam-Packed Cell

• The Biophysical World Inside a Jam-Packed Cell Introduction It’s a familiar image, reprinted in countless biology textbooks: an illustration of a typical cell, halved like a grap

Quantum Computing · February 18, 2026 (updated February 25, 2026) · 2 min · 400 words
An Italian Court Annuls a Previous €47 Million ($55.6M USD) Award to IBM for Providing a Quantum Computer at the University of Salerno

An Italian Court Annuls a Previous €47 Million ($55.6M USD) Award to IBM for Providing a Quantum Computer at the University of Salerno

• Fisciano Campus of the University of Salerno In December of 2024, the government of Campania, Italy issued a tender with a budget of €62.1 million for the purchase, delivery, ins

Quantum Computing · February 18, 2026 (updated February 24, 2026) · 2 min · 346 words
Infleqtion Goes Public on NYSE via SPAC Merger, Raising $550 Million

Infleqtion Goes Public on NYSE via SPAC Merger, Raising $550 Million

• Infleqtion, a developer of neutral-atom quantum technology, began trading on the New York Stock Exchange (NYSE) today under the ticker symbol ‘INFQ.’ The public listing follows t

Quantum Computing · February 17, 2026 (updated February 24, 2026) · 1 min · 157 words
Pasqal Delivers Italy's First Neutral Atom Quantum Computer

Pasqal Delivers Italy's First Neutral Atom Quantum Computer

• Pasqalhas officially delivered a state-of-the-art 140-qubit neutral atom quantum computer to theCINECAsupercomputing center at the DAMA Technopole in Bologna. • This installation

Quantum Computing · February 17, 2026 (updated February 24, 2026) · 2 min · 274 words