The UK is not just participating. It is executing — commercially. From $1B+ national investment to billion-dollar exits, the ecosystem is now fully structured across hardware, software, security, and defense. Key signals: • Over 75+ active quantum companies across the stack • $1.075B acquisition of Oxford Ionics — a defining global validation moment • Quantinuum targeting $20B+ IPO valuation • Government committing £670M for sovereign quantum capability • Strong commercial

Japan is no longer just a research-driven quantum nation.It is transitioning into a full-scale industrial quantum power.From Research to IndustrialisationJapan has explicitly reframed quantum computing as an industrial strategy.Unlike other regions, the ecosystem is not driven by startups.It is led by large corporations, national laboratories, and government-backed programs.This creates a unique model where industry, research, and policy move together.

Multi-Platform Quantum Computing Simulation Pipeline for ADC Drug Design: HER2-Trastuzumab Interface Analysis. Keywords: Quantum Computing Simulation, Antibody-Drug Conjugate (ADC), HER2-Trastuzumab, Boson Sampling, MIS Rydberg Blockade, BEAST-VQE, Projective Embedding, PDB 1N8Z, Quandela, Pasqal, Kvantify Qrunch

Antibody-drug conjugate (ADC) design requires precise identification of hotspot residues at antibody-antigen interfaces. Classical contact-frequency methods may miss residues whose importance arises from nonlinear network effects rather than simple contact counts. Here we report, to our knowledge, the first application of photonic Boson Sampling to antibody-antigen interface analysis for ADC research.

10,000+ km QKD fiber network — 145 nodes, 17 provinces, 80 cities Zuchongzhi-3 — 105 qubits, 10¹⁵× faster than classical supercomputers Tianyan-504 — 504-qubit Xiaohong chip, China's domestic qubit record Jinan-1 — 12,900km satellite QKD, quantum-encrypted 5G calls (March 2025) CIQTEK — STAR Market IPO at ¥11.7B, diamond NV quantum sensing China's model is structurally different: state telcos (China Telecom, China Mobile) operate quantum cloud as national infrastructure, not

USA Quantum market research From Big Tech to defense primes — the full US quantum ecosystem in one report. Companies: IBM, Google, Microsoft, Amazon Web Services (AWS), NVIDIA, IonQ, Quantinuum, D-Wave, Quantum, Rigetti Computing, QuEra Computing Inc., Infleqtion, Atom Computing, PsiQuantum, SandboxAQ, Classiq, Lockheed Martin, Northrop Grumman, RTX, Booz Allen Hamilton