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Research Telemetry
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Three structural views. (1) Superconducting (IBM Condor/Heron, Google Willow): farthest along on logical-qubit demonstrations and error correction, leveraging mature cryogenic + fab supply chains; gated by qubit connectivity and crosstalk at scale. (2) Neutral-atom (QuEra Aquila, Atom Computing): rapidly improving on coherence time and qubit count; gated by gate fidelity and the need for novel error correction codes. (3) Trapped-ion (IonQ, Quantinuum): highest fidelity per gate; gated by clock speed and scaling beyond ~100 qubits per trap. (4) Photonic (PsiQuantum, Xanadu): bet on going directly to fault tolerance at million-qubit scale; binary outcome — works or doesn't. Convergence prediction: no single platform wins; we see 2–3 platforms commercialized for different use cases (chemistry → neutral-atom/ion; optimization → superconducting; large-scale cryptanalysis → photonic if it works). Sovereign funding (US, EU, China, UK, Australia) continues to underwrite multi-platform exploration through at least 2030.
Deep Analysis
Quantum is past the proof-of-principle phase but pre-economic. The 2029–2032 window will determine whether quantum becomes a meaningful commercial category or remains a research curiosity for another decade.
1 · Logical qubits work
Google Willow, IBM Heron, Quantinuum H2, and QuEra Gemini have all demonstrated logical-qubit operation with error rates below the threshold required for fault tolerance. The scientific question is settled; the engineering challenge is scaling.
2 · Platform diversity is healthy and unresolved
Superconducting (Google, IBM), trapped-ion (Quantinuum, IonQ), neutral-atom (QuEra, Pasqal), photonic (PsiQuantum, Xanadu) each have different strengths. No single platform has won; first-to-utility will likely depend on engineering execution, not physics.
3 · Commercial value is bimodal
Near-term (2026–28): error-mitigated simulation of ~50–100 physical-qubit problems in chemistry and materials — niche but real revenue. Long-term (2030+): fault-tolerant systems for cryptanalysis, large-scale optimization, and quantum ML. The middle is empty.
4 · Cryptographic risk is real but not imminent
Cryptanalytically-relevant quantum computers require 1M+ physical qubits and remain 8–12 years away per consensus. PQC migration is prudent but not urgent. Harvest-now-decrypt-later attacks are the most credible near-term risk vector.
Best demonstrated two-qubit gate fidelity (%)
6-quarter trajectory
Leading platforms — physical qubits demonstrated
benchmark composite (0–100)
Quantum funding by source (2026, $B)
share of measured value (%)
Contradictions detected
Claim
Vendor roadmaps target 2028–29 utility-scale machines.
Counter
Independent technical assessments (academic, NIST) model 2030–32 with wide uncertainty bands.
Claim
PsiQuantum claims 1M qubits by 2027.
Counter
Multiple independent experts view this timeline as aggressive by 3–5 years (industry consensus).
Key Points
Below-threshold logical qubits reached across multiple platforms in 2025.
Vendor roadmaps converge on 2028–29 utility-scale machines; independent experts model 2030–32.
First commercial value will come from quantum chemistry, not cryptanalysis or finance optimization.
Sovereign investment now exceeds private VC funding by 4–5×.
Best logical-qubit fidelity (2026)
99.95%
vs 99.5% in 2024Quantinuum H2, trapped ion
Largest physical-qubit system
1,121 qubits
IBM Condornon-fault-tolerant
Cumulative sovereign investment
$32B
11B YoYglobal, public commitments
Quantum-as-a-service revenue
$1.5B
34% YoYmostly R&D contracts
Google's 105-qubit Willow processor demonstrates logical-qubit error rates that decrease as code distance increases — first below-threshold result at scale.
IBM commits to 200-logical-qubit fault-tolerant system by 2029 via Flamingo modular architecture; current Heron supports 156 physical qubits.
Trapped-ion H2 system demonstrates 99.94% two-qubit fidelity and full all-to-all connectivity — leading metric for fault-tolerant logic gates.
Cumulative government investment in quantum across U.S., EU, China, Japan, UK, Australia has reached $32B+; China leads single-country commitment.
NIST PQC standards finalized; federal migration mandated by 2030. Cryptanalytic quantum threat is still 8–12 years out per consensus estimates.
PsiQuantum claims 1M-qubit photonic system by 2027 in Australia; aggressive timeline contested by some experts.
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