Quantencomputing-Blog
Anleitungen, tiefe Einblicke und praktische Tutorials zu Quantencomputing, SDKs, Algorithmen und HLQuantum.
See today's stories →Crypto4A Passed FIPS 140-3 Level 3 for a Quantum-Safe HSM
Crypto4A's QASM module passed FIPS 140-3 Level 3, the first quantum-safe HSM to reach the bar, with support for all NIST post-quantum algorithms.
Dirac Labs Raised $1.8M for Diamond Navigation Sensors
University of Wisconsin-Madison spinout Dirac Labs raised a $1.8 million pre-seed round to build diamond NV-center sensors for GPS-denied navigation.
Quantinuum Got $1.5M to Build an Albuquerque Photonics Hub
Quantinuum received $750,000 from New Mexico and $750,000 from Albuquerque to convert a vacant site into an integrated photonics R&D center.
QuSquare Benchmarks Pre-Fault-Tolerant Quantum Devices
Researchers in Spain published QuSquare, an open-source benchmark with four tests for evaluating today's noisy quantum hardware.
Rigetti Split Delivery From R&D to Scale Deployments
Rigetti created a Systems Delivery organization for manufacturing and customer installs, freeing its technology team to chase 99.5% two-qubit gate fidelity.
SandboxAQ Ranks Drug Candidates for $1 per 1,000
SandboxAQ's AQPotency tool predicts drug efficacy without a solved protein structure and reports a confidence interval with each score.
Cornell Lowered Tantalum Qubit Deposition Temperature to 200°C With Krypton Sputtering
A Nature Materials paper reports a low-temperature tantalum deposition process that makes high-performance superconducting qubits compatible with standard CMOS foundry thermal budgets.
Diraq Opened Its First US Quantum Laboratory in Chicago's IQMP On-Ramp Hub
Silicon spin-qubit startup Diraq opened a Chicago lab with two dilution refrigerators, joining the Illinois Quantum and Microelectronics Park ecosystem.
EigenQ Advanced Its $3 Billion SPAC Merger With a Form S-4 Filing
EigenQ and Silicon Valley Acquisition Corp. submitted a draft Form S-4 to the SEC, moving toward a Q4 2026 Nasdaq listing under the ticker EIGQ.
IBM Connected Its First Modular Cryogenic Cells, a Step Toward the 2029 Starling System
IBM joined and cooled two rectangular cryogenic modules in Poughkeepsie, claiming 12 times the wiring space of System One and a path to more than 1,000 programmable qubits by 2027.
Infleqtion Opened a Colorado Headquarters and Plans a 2027 Quantum Sensing Field Test
Infleqtion inaugurated its Colorado Quantum Innovation Center global HQ and announced a 2027 quantum gravity gradiometry field test to map critical mineral deposits.
NTT DOCOMO's Second D-Wave Production App Cuts Mobile Network Signaling
DOCOMO is running a second live production application on D-Wave hybrid quantum annealing, optimizing Tracking Area Lists across 333 base stations serving 93 million subscribers.
OTI Lumionics and Samsung Emulated 200+ Logical Qubits on a Single Server
A JACS paper reports quantum emulation of 200+ logical qubits using the iQCC algorithm on a 32-core AMD CPU, designing OLED phosphors with higher accuracy than coupled-cluster methods.
IonQ and CMC Microsystems Bring Cloud Quantum Access to Canadian Researchers
IonQ signs a memorandum of understanding with CMC Microsystems to join Canada's FABrIC Quantum Computing Sandbox, expanding cloud access to trapped-ion quantum systems for Canadian academics and small businesses.
Infleqtion Q2 Revenue Rose 116% as Operating Loss Tripled
Infleqtion reported $12.6 million in Q2 revenue, a $30.6 million operating loss, $582 million in cash, and higher full-year guidance.
New York Opens a $60 Million Quantum Hub Competition
New York plans up to four regional quantum commercialization hubs, with about $15 million available for each selected academic or nonprofit anchor.
QOBLIB Gives Quantum Optimization Claims a Shared Test
QOBLIB compares quantum and classical methods across ten hard optimization problem classes using shared metrics, baselines, and public results.
QpiAI Opens an 8-Inch Quantum Chip Foundry in Bengaluru
QpiAI opened an 8-inch superconducting quantum chip foundry in Bengaluru, with current support for 128-qubit processors and larger plans for 2027.
One Qubit Cut Signal-Learning Measurements 10 Million Times
A superconducting cavity experiment used one controllable qubit to reduce measurements for learning classical signals by a factor of 10 million.
Xanadu Targets Cancer Drugs With Quantum Algorithms
Xanadu and the University of Alberta will develop quantum algorithms for modeling photosensitizers used in targeted photodynamic cancer therapy.
A Qubit Chain Cuts Modeled Logical-Qubit Decay by Half
A theoretical superconducting-qubit chain with alternating XX and YY couplings suppresses modeled dephasing and halves logical-qubit relaxation.
What Does a 100-Qubit Quantum Computer Mean in Classical Terms?
Qubit counts sound abstract until you translate them into memory and compute. A concrete look at the exponential state space behind n qubits, where classical simulation stops being possible, and why qubit count alone does not measure a quantum computer's real power.
Mitsui and Mitsubishi Electric Benchmarked QFT on Quantinuum's Helios, With and Without Error Correction
Mitsui and Mitsubishi Electric ran the Quantum Fourier Transform on Quantinuum's Helios both as a raw physical circuit and encoded with the Steane error-correcting code, and the resulting numbers show exactly why error correction matters and exactly how much it currently costs.
Quantinuum and Quanta Computer Are Industrializing Trapped-Ion Manufacturing
Quantinuum partnered with Fortune Global 500 manufacturer Quanta Computer to move trapped-ion QPU production from custom lab assembly to standardized, rack-mountable hardware, aiming at megaquop-class systems.
Quantum Annealing erklärt: Max-Cut mit D-Waves Ocean SDK lösen
Formuliere ein Max-Cut-Problem als QUBO, löse es mit D-Waves kostenlosem Simulated-Annealing-Sampler und verstehe, was Quantum Annealing im Vergleich zu Gate-basiertem Quantencomputing leistet und was nicht.
Quantenteleportation in Qiskit: Eine praktische Anleitung
Baue das Quantenteleportations-Protokoll von Grund auf in Qiskit: Bell-Paar, Bell-Basis-Messung und klassisch gesteuerte Korrektur, mit lauffähigem Code und einem nüchternen Blick darauf, was das Protokoll leistet und was nicht.
Quantencomputing vs. klassisches Computing: Was wirklich anders ist
Ein direkter Vergleich von Quanten- und klassischem Computing: was ein Qubit anders macht als ein Bit, warum Superposition allein nicht Geschwindigkeit bedeutet, und welche Probleme zu welchem Modell passen.
The Royal Navy Tested Radar That Doesn't Need GPS, Using Quantum Clocks
Saab UK, Aquark Technologies, and the Royal Navy trialed cold-atom quantum clocks synchronizing military radar networks without GPS or GNSS signals, reporting sub-nanosecond synchronization and rapid recovery under simulated jamming.
Yonsei University Is Getting the World's Second Nighthawk Quantum Computer
Yonsei University will upgrade its on-premises IBM Quantum System One from a 127-qubit Eagle processor to IBM's 120-qubit Nighthawk QPU in November 2026, only the second Nighthawk deployment globally after IBM's own facility in Miami.
A One-Person Team in Cuba Built a Browser-Based Quantum Coding Platform
Franci Laffita Camargo's Quantum Computing Open Lab (QCOL) is a browser-based circuit composer and notebook environment meant to work across multiple quantum SDKs, built to remove the setup barrier this site's own getting-started guide already walks through by hand.
Honda Invests in Quemix, Extending a Year of Joint Quantum Chemistry Work
Honda invested in Quemix through its Xcelerator Ventures program, building on a partnership already producing joint work on quantum state readout and a DFT-acceleration algorithm, aimed at next-generation battery materials.
Quantinuum Is Putting a Helios Quantum Computer Inside an Oracle Data Center
Quantinuum and Oracle signed a multi-year partnership to deploy a Helios quantum computer inside a US-based Oracle Cloud Infrastructure AI data center, giving OCI customers access to QPUs alongside the GPUs and classical HPC they already use.
Quantinuum's First Earnings Report as a Public Company: Q2 2026
Quantinuum reported Q2 2026 revenue of $8 million, up 279% year-over-year, with $2.1 billion in cash and first-ever formal guidance of $28-32 million for full-year 2026, in its debut quarterly report since going public.
Quantum Computing Inc. Q2 2026: Revenue Up 50% Sequentially, $73.1M NHanced Acquisition
QCi reported Q2 2026 revenue of $5.55 million, up 50.4% sequentially, with $954 million in cash and short-term investments and a $73.1 million acquisition of NHanced Semiconductors to build a second fabrication facility.
QuSecure Makes Post-Quantum Crypto Easier for Federal Agencies to Buy
QuSecure added its QuProtect R3 post-quantum cryptography platform to Carahsoft's GSA Schedule, removing a real procurement barrier for federal agencies facing December 2030 and 2031 migration deadlines under Executive Order 14412.
Cloudflare's Government Platform Cleared the Bar for Handling Classified-Adjacent Data
Cloudflare for Government achieved FedRAMP High authorization, the tier for data where a breach carries severe or catastrophic consequences, with post-quantum cryptography protecting data in transit across the platform's US-based infrastructure.
Pasqal Moved Its Optical Tweezers Onto a Photonic Chip
Pasqal trapped four rubidium atoms using laser light generated entirely by a photonic integrated circuit, shrinking the optical bench that normally controls neutral-atom qubits by up to 50 times, with atom lifetimes matching existing bulk-optics systems.
A QKD System Passed the Security Audit That Matters More Than the Physics
Quantum Optics Jena's ELVIS quantum key distribution system completed the first ISO/IEC 23837 hardware security evaluation, a three-month independent audit by TUVIT that found no major vulnerabilities in the physical implementation.
Qunnect and Monarch Quantum Are Trying to Shrink a Rack-Sized Quantum Network Box
Qunnect partnered with Monarch Quantum to shrink its Carina entanglement-distribution platform from a 36U rack down to 2U or 3U, using robotic, machine-vision-guided manufacturing built for co-packaged optics.
A Chinese Startup Built a 16-Qubit Graph State on a Single Photonic Chip
Hefei Sizhen Chip Technology and USTC generated a 4-photon, 16-qubit GHZ state and verified 10-qubit entanglement on a self-developed silicon photonic chip, calling it the largest entangled state demonstrated on an optical quantum chip to date.
Utah Becomes the Latest State to Launch Its Own Quantum Initiative
Governor Spencer Cox signed an executive order creating the Utah Quantum Initiative, a coordination council tasked with a statewide quantum assessment report by March 2027, aimed at quantum sensing, workforce development, and defense-sector applications.
Running Cirq and PennyLane Circuits on Azure Quantum
How to submit Cirq circuits directly through the qdk.azure.cirq service, and how PennyLane's Azure Quantum path works differently: compiling through OpenQASM and QIR rather than a plug-and-play device.
Running Qiskit Circuits on Azure Quantum: A Practical Guide
How to submit Qiskit circuits to Azure Quantum hardware using the current qdk package: connecting to a workspace, listing targets, running on real hardware, handling qubit loss, and running locally on the QDK's sparse simulator without Azure at all.
Common Amazon Braket Errors and How to Fix Them
The mistakes that trip up Braket users most: missing AWS credentials, S3 bucket region mismatches, IAM permission gaps, device availability windows, and cost surprises on real QPU tasks. Each with the fix.
Common Cirq Errors and How to Fix Them
The mistakes that trip up Cirq users most: mixing qubit types that look equal but aren't, duplicate measurement keys, unexpected moment packing, and unresolved parameters. Each with the fix.
Common CUDA-Q Errors and How to Fix Them
The mistakes that trip up CUDA-Q users most: CUDA toolkit version mismatches, code inside @cudaq.kernel that isn't allowed there, forgetting to set a GPU target, and calling kernels outside the functions that execute them. Each with the fix.
Common PennyLane Errors and How to Fix Them
The mistakes that break PennyLane gradients and circuits most often: using plain NumPy instead of PennyLane's wrapper, wire mismatches, the wrong differentiation method for the device, and plugin version drift. Each with the fix.
Common Qiskit Errors and How to Fix Them
The Qiskit errors that trip up beginners and returning users most often: the removed execute() function, the Aer import that moved packages, IBMQ deprecation, register mismatches, and transpiler failures. Each with the fix.
Eaton Won a $7M Air Force Contract to Find Grid Failures Current Standards Miss
Eaton, with Infleqtion and Penn State, won a $7 million AFRL contract to develop hybrid quantum-classical algorithms for power grid security, targeting failure scenarios beyond the N-2 standard grids are built to survive today.
Measuring T1 and T2 on Real Hardware with Qiskit Experiments
A practical walkthrough of the T1, T2Ramsey, and T2Hahn experiment classes in Qiskit Experiments 0.14: how to build the delay-sweep circuits, run them, and read the fitted coherence times out of the results.
Building Your First Molecule Ground-State Solver with Qiskit Nature
A practical walkthrough of Qiskit Nature 0.8: driving a molecule's electronic structure with PySCF, mapping it to qubits, and solving for the ground-state energy, first classically, then swapping in VQE.
Quantum Kernel Machine Learning with Qiskit: A Practical Guide
How to build a quantum kernel with Qiskit Machine Learning 0.9, plug it into a support vector classifier, and understand what a quantum kernel computes versus a classical one.
Qubit Mappers Explained: Jordan-Wigner vs. Parity vs. Bravyi-Kitaev
Why simulating a molecule needs so many qubits, and how the choice of fermion-to-qubit mapping in Qiskit Nature changes that number: Jordan-Wigner, Parity, Bravyi-Kitaev, and the symmetry reductions that shrink H2 to a single qubit.
Randomized Benchmarking with Qiskit Experiments: Measuring Real Gate Error
How to run StandardRB and InterleavedRB in Qiskit Experiments 0.14 to measure average gate error per Clifford, and how to isolate a single gate's error from the rest of the circuit noise.
Riverlane Is Paying Outside Developers to Build Its Error Correction Toolkit
Riverlane and the Unitary Foundation launched the Deltakit Community Fund, paying external contributors $2,000 to $4,000 per feature to build out Deltakit, Riverlane's open-source quantum error correction toolkit. Applications for the first cohort open August 17, 2026.
State Tomography with Qiskit Experiments: Reconstructing What You Built
How to use StateTomography in Qiskit Experiments 0.14 to reconstruct a qubit's density matrix from measurements and compute its fidelity against the state you intended to prepare.
T1 vs T2: What Decays and What Dephases
T1 and T2 are both called qubit lifetimes, but they measure different physics. T1 is energy relaxation. T2 is the loss of phase information in a superposition, and it's easy to misread what that loss looks like.
TuringQ Is Filing to Become China's First Publicly Traded Quantum Computing Company
TuringQ, a Shanghai photonic quantum chip maker, entered pre-IPO guidance for Shanghai's STAR Market in August 2026. Here is what the company has built, what the filing does and doesn't confirm, and why China's quantum sector is moving toward public markets now.
Xanadu Raised $67.2M Through an Equity Facility to Fund US Chip Production
Xanadu's Q2 2026 results show $312.8 million in cash, a $67.2 million draw from a Yorkville equity facility, and US headcount up more than fivefold since 2023. Here is what the funding structure means and what it doesn't guarantee.
D-Wave's Q2 2026: Revenue Stayed Flat While Bookings Jumped 1,120%
D-Wave reported Q2 2026 revenue of $3.08 million, roughly flat year-over-year, alongside H1 2026 bookings of $35.5 million, up 1,120% from the prior year, driven by a $20 million Advantage2 sale to Florida Atlantic University.
IonQ's Record Q2 2026: $80 Million in Revenue, a Raised Guidance, and a $1.65 Billion Non-Cash Loss
IonQ reported Q2 2026 revenue of $80.1 million, up 287% year-over-year, and raised full-year guidance to $280-290 million, even as GAAP net loss hit $1.87 billion on a non-cash warrant revaluation.
D-Wave Published a Gate-Model Result in Nature. That Is Not Its Usual Business
D-Wave, known for quantum annealing, published a peer-reviewed two-qubit entangling gate for dual-rail erasure qubits in Nature, reporting 99.9% fidelity and a roadmap toward 100 logical qubits by 2032, a real departure from its annealing hardware line.
NIST Kept Two Photons Entangled Across 62 km of Ordinary Commercial Fiber for 20 Hours
NIST, the University of Maryland, and Qunnect distributed polarization-entangled photons over 62 kilometers of live, partially aerial commercial fiber between Gaithersburg and College Park, sustaining a Bell inequality violation for over 20 consecutive hours.
Researchers Built a Photonic Chip That Finally Combines Linear Optics With Real Nonlinear Gates
Imperial College London and the University of Hong Kong, working with HeliQ Standard CompuTech, built Clavina, a modular photonic architecture that pairs linear optical networks with integrated nonlinear modules to support a universal quantum gate set.
Who Is Using Quantum Computers Right Now, By Industry
Not the vendors building quantum hardware, the customers running real workloads on it. A grounded look at which banks, automakers, aerospace firms, pharma companies, and energy utilities have quantum computing pilots or partnerships, and how far each one has gotten.
A Trapped-Ion Computer Confirmed a Prediction About How Entanglement Scales at Criticality
Duke Quantum Center researchers used a fully-connected trapped-ion processor to confirm, for the first time on real hardware, that entanglement entropy grows logarithmically with subsystem size near a quantum critical point.
D-Wave and Nasdaq Verafin Are Testing Quantum Annealing Against Money Laundering Networks
D-Wave and Nasdaq Verafin, whose financial crime software serves over 2,800 institutions, started a proof-of-concept using D-Wave's quantum annealing hardware to detect anomalous transaction patterns across account activity and counterparty networks.
IQM's First Earnings Report as a Public Company: H1 2026
IQM Quantum Computers reported H1 2026 revenue of €8.87 million, up 47% year-over-year, with a €102.1 million order backlog and €309.4 million in cash after going public via a business combination with Real Asset Acquisition Corp.
An Israeli Startup Claims a 10x Cut in Qubit Overhead With a 3D Modular Architecture
Qarakal Quantum published Pangaea, a modular 3D superconducting architecture that uses a gauge-code quantum bus to connect separate topological code patches, claiming a tenfold reduction in physical qubits needed for a given logical error rate versus planar surface codes.
Rolls-Royce Is Testing Whether Quantum Computers Help Design a Jet Engine
Quantinuum, Rolls-Royce, Riverlane, and the University of Edinburgh's EPCC signed an agreement to test quantum computational building blocks for industrial design problems like gas turbine simulation on Quantinuum's Helios system, building on years of prior fluid-dynamics research.
A Live Fiber Line Between Chicago and Indiana Ran 1.6 Tb/s Under Both PQC and QKD at Once
Quantum Corridor, Ciena, and Toshiba completed a field trial encrypting 1.6 Tb/s of live commercial traffic between Chicago and Hammond, Indiana, using post-quantum cryptography and quantum key distribution simultaneously on the same fiber.
Caltech and Oratomic's 'Mitten Codes' Hit a Constant 20% Encoding Rate
Caltech and Oratomic introduced mitten codes, a non-abelian qLDPC code family with a constant 20% encoding rate and low check weight. A distinct technical paper from the resource-estimate research behind Oratomic's funding round, not a restatement of it.
Multi-GPU Quantum Simulation with CUDA-Q: A Practical Guide
How CUDA-Q splits a state vector across multiple GPUs to simulate more qubits than one GPU's memory allows, and the real distinction between multi-GPU state simulation and NVIDIA's separate multi-QPU (mqpu) execution platform.
Hamiltonian Simulation and Trotter Decomposition: A Practical Tutorial
Build Trotterized time evolution from scratch in Qiskit: why e^(-iHt) can't be applied directly, how the Trotter-Suzuki formula turns it into real gates, and the error-versus-depth trade-off every simulation has to make.
IonQ Goes Back to the Lab That Built Its First Ion Traps, This Time for National Security
IonQ signed a memorandum of understanding with Sandia National Laboratories to co-design quantum hardware for government applications, reviving a technical relationship that goes back to IonQ's earliest ion traps.
NVIDIA's GPU Decoders Are Already Cutting Real Error-Correction Runtimes by 9x
Alice & Bob cut a decoding run from 18 hours to under 2 using NVIDIA CUDA-Q QEC's GPU decoders. Quantum X Labs benchmarked a transformer-based decoder against classical matching. Independent third-party results, not only a vendor's own claim.
NVIDIA Ising: AI Models for Quantum Calibration and Error Decoding, Explained
NVIDIA Ising is a pair of open-source AI models targeting the two most tedious parts of running a quantum computer: recalibrating it and decoding its errors. NVIDIA claims days-to-hours calibration and up to 2.5x faster, 3x more accurate decoding than pyMatching.
Oratomic Raised $300M Betting Fault Tolerance Needs 10,000 Qubits, Not Millions
Oratomic closed a $300 million Series A on July 10, 2026, built on Caltech research suggesting utility-scale fault-tolerant quantum computing needs as few as 10,000 reconfigurable atomic qubits, far below prior million-qubit estimates. A real funding round behind a theoretical resource estimate, not a working machine yet.
QAOA-GPT Replaces the Variational Optimization Loop With a Single Forward Pass
QAOA-GPT trains a generative transformer to output a good QAOA circuit directly, skipping the iterative classical optimization loop that usually dominates runtime. Its extension, DQAOA-GPT, has been evaluated on dense optimization problems with up to 100 decision variables.
Do You Need a PhD for Quantum Computing? Career and Textbook Questions, Answered
Is quantum computing a good career, do you need a PhD, and which textbook should a beginner start with. Real workforce data and real textbook recommendations for the four questions every newcomer asks first.
Quantum Computing ETFs in 2026: What's Inside Each Fund
Five quantum computing ETFs trade today: QTUM, QNTM, WQTM, CHPX, and QANT. Here's what each one holds, how much it costs, and how much they overlap with each other. This is not investment advice, it's a comparison of fund composition.
Picks and Shovels for Quantum Computing: The Companies That Supply the Industry
What are the picks and shovels for quantum computing? A checkable supply chain map: dilution refrigerators, control electronics, lasers, and the compute layer connecting QPUs to classical hardware. This is not investment advice, it's a map of who builds the infrastructure.
Quantum Elements' Orbit Automates Error Suppression Inside Qiskit
Quantum Elements launched Orbit, an automated error-suppression tool, as a Qiskit Function in IBM's Qiskit Functions Catalog on July 23, 2026. It bundles dynamical decoupling, hardware-aware transpilation, and measurement error mitigation into one call for IBM Quantum Network members.
Quantum Volume: How to Measure It Yourself, Not Recite It
Build IBM's Quantum Volume benchmark from scratch in Qiskit: random square circuits, the heavy-output test, and the pass criterion that turns qubit count, connectivity, and gate fidelity into one comparable number.
Rigetti, HPE, and Pittsburgh Build 'TangleLab,' a 9-Qubit Hybrid HPC Testbed
Rigetti, HPE, and the Pittsburgh Supercomputing Center are building TangleLab, an NSF-funded hybrid quantum-classical supercomputer pairing a 9-qubit Novera system with classical HPC. Construction starts September 1, 2026, with full operations targeted for 2027.
Shor's Algorithm in Qiskit: A Practical Tutorial
Build Shor's factoring algorithm from scratch in Qiskit: modular exponentiation, the quantum Fourier transform, and the continued-fractions post-processing that turns a measured phase into a real factor of 15.
UC Berkeley and QuantrolOx Sign a 5-Year Deal to Standardize Quantum Calibration
UC Berkeley and QuantrolOx signed a 5-year MOU aimed at standardized data pipelines and automated runtime environments for scaling superconducting quantum computers. An infrastructure partnership, not a hardware milestone, led by Irfan Siddiqi and Vishal Chatrath.
China's 'Routing Codes' Cut Error-Correction Overhead by 8x on Paper
USTC and Origin Quantum Computing designed routing codes, a qLDPC family that simplifies hardware wiring and reduces physical-qubit overhead roughly 8x versus surface codes in circuit-level simulation. Real, but still a simulation result, not a hardware demonstration.
A New Decoder Called 'Zero-G' Claims to Improve Real-Time QEC by Using Pre-Decoder Data
A preprint posted this week describes Zero-G, a pre-decoder-aware decoder architecture for quantum error correction. Unreviewed, not yet independently verified, covered here as a paper claim rather than a demonstrated result.
A Chinese Startup Packed a Neutral-Atom Quantum Computer Into a Server Rack
Zhongqi Wuliang unveiled Qinghe No. 1 at WAIC 2026, a second-generation neutral-atom quantum computer built to fit inside a standard data-center server rack with no bulky cryogenic refrigeration. A different route to the same 'no cryostat' goal SAXON Q's diamond qubits already cover on this site.
IonQ Is Putting a Quantum Memory Inside a Live Fiber Network in Chattanooga
IonQ and EPB are spending $15 million over five years on the Tennessee Quantum Communications Research Center, built around what they call the first commercial quantum memory embedded in a working communications network.
NTT and OptQC Are Aiming for a Million-Qubit Photonic Computer by 2030
NTT and OptQC signed a capital and business alliance with a phased roadmap toward a fault-tolerant, million-qubit-class optical quantum computer by fiscal year 2030, starting with a 10,000-qubit proof of concept in 2028.
Quantinuums Helios: 48 logische Qubits bei 2:1-Kodierung, erklärt
Quantinuums neuestes Ionenfallen-System beansprucht 48 fehlerkorrigierte logische Qubits aus rund 96 physischen Qubits. Nicht die Qubit-Zahl ist die Schlagzeile — das Verhältnis ist es.
Quantencomputer haben gerade ein echtes Protein simuliert — was das bedeutet
Cleveland Clinic und IBM haben auf IBMs Heron r2-Chip eine Quanten-Klassik-Hybridsimulation eines 303-Atom-Miniproteins durchgeführt — ein echter Fortschritt gegenüber den Spielzeugmolekülen der meisten VQE-Demos, mit echten Einschränkungen.
Die führenden Quantencomputing-Unternehmen im Juli 2026, im Ranking erklärt
Ein fundiertes Ranking der Quantencomputing-Unternehmen, die im Juli 2026 wirklich zählen: echter Umsatz, echte Hardware-Meilensteine und echte Kassenpositionen, keine Pressemitteilungs-Begeisterung. IonQs Zahlen verdienen den Platz. Rigettis Zahlen liegen noch hinter denen der Konkurrenz.
AI Now Designs Quantum Chemistry Circuits Faster Than the Standard Method
Quantinuum, NVIDIA, and Pfizer built ADAPT-GQE, a transformer and reinforcement-learning system that generates VQE ansatz circuits an order of magnitude faster than ADAPT-VQE, demonstrated on a real drug molecule and run on Quantinuum's Helios hardware.
GlobalFoundries Gets $300 Million to Build Silicon Photonics in the US
GlobalFoundries signed a letter of intent for a $300 million CHIPS Act award to scale US silicon photonics manufacturing. It is not a quantum computing grant, but the manufacturing capacity it builds matters for photonic quantum hardware and quantum networking too.
Google Taught Willow to Calibrate Itself While It Runs Error Correction
Google Quantum AI and DeepMind published a Nature paper showing a reinforcement learning agent recalibrates the Willow processor using the same error-detection data error correction already produces, setting a new logical error rate record for the surface code.
HRL Built a Silicon Quantum Processor That Runs Its Own Error Correction
HRL Laboratories published a silicon quantum processor in Nature that runs error correction with a control chip inside the cryostat, cutting the room-temperature wiring that limits how many qubits a machine holds.
IBM Is Acquiring HRL Laboratories: What the Silicon Spin Qubit Deal Adds
IBM has signed a definitive agreement to acquire HRL Laboratories from Boeing and General Motors, days before HRL's own paper on a self-correcting 18-qubit silicon processor. Here is what the deal covers and what it does not.
IBM Claimed Quantum Advantage Three Times in One Day: What Each Result Shows
On July 30, 2026, IBM announced three separate quantum advantage results with three different partners. Here is what each one demonstrated, and why the verification method matters more than the headline.
Infleqtion Will Put a 50-Logical-Qubit Machine in Chicago by 2027
Infleqtion is deploying Sqale, a neutral-atom quantum computer targeting 50 logical qubits, at the Illinois Quantum and Microelectronics Park in 2027. The company is also opening a Chicago center aimed specifically at energy-grid optimization problems.
IonQ Bought a $1.8 Billion Semiconductor Foundry: Here Is What Changes
IonQ completed its acquisition of SkyWater Technology, the largest US-based semiconductor foundry, and calls itself the only vertically integrated full-stack quantum platform company. Here is what that claim means and what it does not.
IQM's QISS Technique Beat Deep QAOA Using a Shallower Circuit and Classical Post-Processing
IQM ran Quantum-Informed Surrogate Sampling on its 54-qubit Emerald processor and reports that a 3-layer QAOA circuit, combined with classical post-processing, outperformed a 17-layer vanilla QAOA circuit on MaxCut.
DARPA Is Paying PsiQuantum $125 Million to Check Its Own Claims
PsiQuantum signed an expanded $125 million agreement with DARPA's Quantum Benchmarking Initiative, its largest U.S. government contract to date. The money funds outside verification of PsiQuantum's fault-tolerance roadmap, not new research.
Quantinuum and BMW Turned a Five-Year Research Project Into a Roadmap Commitment
Quantinuum and BMW Group expanded their quantum chemistry collaboration, running since 2021, into a multi-year partnership that gives BMW access to Quantinuum's Helios, Sol, and Apollo hardware generations through 2029. Here is what five years of actual results looks like next to a typical pilot announcement.
How to Build a Business Case for Quantum Portfolio Optimization
PortfolioQ is a small open-source tool that runs classical, penalty-method QAOA, and constraint-preserving QAOA side by side on real portfolio data, and produces the one chart every quantum business case needs.
SAXON Q Is Selling a Quantum Computer That Skips the Cryostat Entirely
SAXON Q, a Leipzig University spinout, launched the SXQ128 and SXQ512, diamond-based nitrogen-vacancy quantum computers that run at room temperature with no cryogenic cooling. Here is how the qubits work and what the claimed numbers mean.
Warwick's New Chip Concept Aims to Wire Together a Million Qubits
Warwick and NRC Canada proposed Quantum Phononic Links, a way to carry quantum information across an entire chip using engineered vibrations instead of only connecting neighboring qubits.
ZuriQ Wants to Fix Trapped-Ion Scaling by Going 2D Instead of 1D
ZuriQ, an ETH Zurich spinout, raised $25.5 million to scale a two-dimensional trapped-ion architecture built on Penning micro-traps, a departure from the linear ion chains IonQ and Quantinuum use. Here is what the nine-ion demonstrator shows.
EY Is Putting a Quantum Computer On-Site in Canada. Here's What's Missing From the Announcement
EY announced an on-site quantum computer in Canada as part of a $3 billion AI and frontier-tech investment, aimed at optimization, fraud detection, and data sovereignty for regulated clients. The release names no hardware vendor and no location.
HRL Built an 18-Qubit Silicon Chip That Runs Its Own Control Electronics at 4 Kelvin
HRL Laboratories demonstrated an 18-qubit silicon quantum processor with a custom cryogenic CMOS controller operating inside the same cryostat, removing the room-temperature instrument racks that normally drive each qubit, and published the result in Nature.
Quantinuum and SoftBank's White Paper Makes the Case for Quantum Value Before Fault Tolerance
Quantinuum and SoftBank published a joint white paper mapping quantum chemistry and graph analytics use cases to Quantinuum's hardware roadmap, arguing organizations don't need to wait for full fault tolerance to start getting value.
A 'Waffle Grid' Superconducting Circuit Validates a Building Block for Topological Qubits
Researchers at the University of Chicago, Purdue, Boston University, and AppliedTQC built a 3x3 crossbar of Josephson junctions that reproduces a gauge symmetry theorists say topological quantum computing needs, a validated building block, not a working qubit.
Was die neue Quanten-Executive-Order über die wahren Probleme des Feldes verrät
Liest man EO 14413 als technisches statt als politisches Dokument, wird daraus eine offene Liste dessen, was das Quantencomputing noch nicht gelöst hat — angefangen damit, dass niemand zuverlässig messen kann, wie gut ein Quantencomputer ist.
Quantum Error Mitigation: A Practical Guide (And When It Lies to You)
Hands-on error mitigation for NISQ hardware: readout calibration, zero-noise extrapolation, Pauli twirling, and dynamical decoupling, plus the ZNE failure mode that manufactures fake improvements.
Grover's Algorithm in Qiskit: A Practical Tutorial
Build Grover's search algorithm from scratch in Qiskit: oracle, diffuser, and the optimal iteration count, with complete runnable code and honest limits on the quadratic speedup.
Logical Qubits and Fault Tolerance: What the Qubit Count Doesn't Tell You
A physical qubit is hardware. A logical qubit is an error-protected qubit built out of many of them. Understanding the difference is the fastest way to see through quantum computing headlines.
The Post-Quantum Migration Clock: Real Deadlines and How to Plan Against Them
NIST says RSA and ECC are deprecated after 2030 and disallowed after 2035. NSA's CNSA 2.0 moves faster. Here's what the published timelines require, and how to build a migration plan that survives them.
Q-Day and What Breaking RSA-2048 Requires
Q-Day is one of the most abused terms in quantum computing. Here's a precise definition, the published resource estimates for factoring RSA-2048 with Shor's algorithm, and why those estimates disagree by orders of magnitude.
The Real-Time Decoding Bottleneck: Quantum Error Correction's Classical Problem
Syndrome measurement tells you something broke, not what broke. Working that out is decoding, and if your classical decoder can't keep pace with the syndrome stream, the whole error-correction scheme collapses.
The Quantum Fourier Transform: Build It Yourself in Qiskit
A hands-on tutorial that builds the QFT gate by gate in Qiskit, verifies it against the library implementation, and explains why an exponentially faster Fourier transform gives you no speedup on its own.
Quantum Machine Learning: A Reality Check
What QML is, what the evidence currently shows about whether it beats classical models, and which parts of it are genuinely promising: grounded in the Biamonte review, the barren plateaus result, and a 2026 head-to-head comparison.
Quantum Networking and Distributed Quantum Computing: Wiring QPUs Together
Building one enormous quantum processor gets harder the bigger it gets. Linking smaller ones is the alternative, and it depends on distributing entanglement between machines, which is far harder than it sounds.
Quantum Phase Estimation: The Missing Link Between the QFT and Shor's Algorithm
A hands-on Qiskit tutorial on quantum phase estimation: phase kickback, the inverse QFT, and precision limits, with complete runnable code and real measured output.
Das neue Vokabular des Quantencomputings: 16 Begriffe, die sich durchsetzen werden
So wie uns die KI 'Tokens', 'Halluzinationen' und 'Fine-Tuning' beschert hat, baut sich das Quantencomputing sein eigenes Vokabular auf. Hier sind die Begriffe, die Entwickler und Unternehmen in wenigen Jahren verwenden werden.
Was Quantencomputer 2026 tatsächlich können
Ein realistischer Blick darauf, welche Anwendungen des Quantencomputings heute produktionsreif sind, welche kurzfristig bevorstehen und welche langfristige Forschungsziele bleiben — echter Fortschritt getrennt vom Hype.
Erste Schritte mit kostenlosem Quantencomputing im Jahr 2026
Ein vollständiger Einsteigerleitfaden, um deinen ersten Quantenschaltkreis kostenlos auszuführen — keine teure Hardware, keine kostenpflichtigen Abonnements.
HLQuantum vs. reines Qiskit: Wann man eine Abstraktionsschicht verwenden sollte
Ein praktischer Vergleich zwischen dem direkten Schreiben von Quantenschaltkreisen in Qiskit und der Verwendung der einheitlichen API von HLQuantum — mit Code im direkten Vergleich und einem Entscheidungsrahmen.
Post-Quanten-Kryptografie: Was Entwickler jetzt tun müssen
Shors Algorithmus bedroht RSA und ECC. Das NIST hat seine Post-Quanten-Standards finalisiert. Hier erfahren Sie, worin die Bedrohung besteht, was die Standards besagen und welche Maßnahmen Entwickler heute ergreifen sollten.
Wie Sie Ihre Shot-Anzahl in variationellen Quantenalgorithmen um 80 % senken
Praktische Techniken zur Reduzierung der Anzahl benötigter Schaltkreisausführungen in VQE und QAOA — shot-sparsame Optimierer, Tricks zur Gradientenschätzung und Messgruppierung.
IBM Quantum Free Tier: Alles, worauf Sie 2026 zugreifen können
Eine detaillierte Aufschlüsselung dessen, was der kostenlose Open Plan von IBM Quantum umfasst, wie Warteschlangenzeiten funktionieren und wie Sie das Beste aus Ihrem kostenlosen QPU-Zugang herausholen.
QAOA erklärt: Max-Cut Schritt für Schritt lösen
Eine praxisnahe Anleitung zum Quantum Approximate Optimization Algorithm angewendet auf das Max-Cut-Graphenproblem — mit vollständigem Python-Code in Qiskit, PennyLane und HLQuantum.
Kostenlose Quantensimulatoren im Vergleich: Qiskit Aer vs. Cirq vs. PennyLane vs. CUDA-Q
Ein praktischer Vergleich der wichtigsten kostenlosen Quantensimulatoren — Leistung, Qubit-Grenzen, GPU-Unterstützung und wann man welchen einsetzt.
Einen VQE mit PennyLane erstellen: Ein praktischer Leitfaden
Schritt-für-Schritt-Implementierung des Variational Quantum Eigensolver mit PennyLane — vom Hamiltonian-Setup bis zur klassischen Optimierungsschleife.
Quantenfehlerkorrektur ohne Mathematik verstehen
Warum Quantencomputer Fehler machen, wie Fehlerkorrektur funktioniert und was das für die Zukunft des fehlertoleranten Quantencomputings bedeutet.