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Global PQC Migration Timelines
The Hybrid Question: Why the World Can’t Agree on How to Deploy PQC
The biggest implementation question in PQC migration isn't which algorithm to use. It's whether to deploy it alongside classical cryptography or instead of it. Major jurisdictions have taken directly contradictory positions, and no harmonization is coming.
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Global PQC Migration Timelines
The Global PQC Migration Clock: Where Every Country Stands and Why the Gaps Between Them Matter More Than the Deadlines Themselves
Fifteen countries have now set PQC migration timelines. They all agree the migration must happen. They disagree on when, how, and with which algorithms. This capstone maps the convergence, the conflicts, and the compliance reality for organizations operating across borders.
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Quantum Sensing
Quantum Radar Is Dead. The Physics Was Never There.
Fifteen years and over a hundred papers later, the verdict on quantum radar is in. The maximum range is limited to tens of meters by physics, not engineering. My earlier coverage was too generous.
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Research
IBM’s Concatenated Gross Code Reaches the Teraquop Regime
IBM's QEC team packages 11 logical qubits into a single high-dimensional qudit and wraps the gross code in quantum Reed-Solomon algebra. The result: a fault-tolerant memory that reaches the teraquop regime the gross code couldn't previously access.
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Building Quantum Computers
What a Quantum Computer Actually Costs to Build and Operate
A 5-qubit research system costs roughly $2 million over five years. A 20-qubit mid-range system costs $10 million. An industrial installation runs $30-150 million. Here is where the money goes, who pays, and what surprises first-time buyers.
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Building Quantum Computers
Integrating a Quantum Computer into HPC Infrastructure
A quantum computer without HPC integration is an isolated experiment. NVQLink, QRMI, and CUDA-Q make QPUs schedulable alongside GPUs in standard Slurm environments. Here is how the integration works and where the software stack falls short.
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Building Quantum Computers
The Quantum OS and Orchestration Layer: Assembling the Software That Runs the Machine
No turnkey Western quantum OS exists. A procurement guide to the software layer that turns multi-vendor hardware into a functioning, multi-user machine: the five-layer stack, the calibration decision, and the build-or-buy choice for middleware.
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Building Quantum Computers
Choosing a Quantum Control System: What Actually Drives the Qubits
The control system decides whether your QPU computes or sits cold in a fridge. A procurement guide to the three-vendor superconducting market, the FPGA allocation constraint that slips schedules, and what each modality demands from its electronics.
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Building Quantum Computers
Building a Silicon-Spin Quantum Computer
Silicon-spin qubits are manufactured on the same 300 mm semiconductor lines that produce classical processors. They operate at 1 K instead of 10 millikelvin. They eliminate helium-3. The supply chain is young but the thesis is compelling.
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Building Quantum Computers
Building a Photonic Quantum Computer
Photonic quantum computing encodes information in particles of light on silicon chips fabricated at semiconductor foundries. The core processor runs at room temperature. The supply chain is vertically integrated. Here is what that means for builders.
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Building Quantum Computers
Building a Neutral-Atom Quantum Computer
No dilution refrigerator. No helium-3. No chilled-water plant. Neutral-atom quantum computers run at room temperature in standard server racks, and Pasqal has deployed them into production HPC centers across three continents.
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Building Quantum Computers
Building a Trapped-Ion Quantum Computer
Trapped-ion quantum computers trade the cryogenic infrastructure of superconducting systems for a different set of challenges: precision laser systems, ultra-high vacuum, and the QCCD architecture that shuttles ions between functional zones.
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Building Quantum Computers
Building a Superconducting Quantum Computer
The complete integration guide for assembling a superconducting quantum computer from modular components. Signal chain engineering, cryostat selection, calibration sequences, and the operational reality of keeping transmon qubits running at 10 millikelvin.
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Building Quantum Computers
The Cryogenic Infrastructure That Makes (or Breaks) a Quantum Computer
The dilution refrigerator is the most expensive, longest-lead, and physically largest component in a superconducting quantum computer. The helium-3 it runs on comes from nuclear weapons stockpile decay. Both define the scaling ceiling.
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Building Quantum Computers
Preparing a Facility for a Quantum Computer
A superconducting quantum computer is not a server rack. This guide covers the facility requirements that most data centers cannot accommodate, from vibration isolation to helium-3 storage, with a reference floor plan.
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