The Qubit Report: October 20, 2026

The Qubit Report for October 20, 2026 lands with fresh deals, longer entanglement, and a reminder most phones still run yesterday’s crypto. Readers who skip the links miss the exact numbers and the next moves.

Japan and Finland Link Ecosystems

VTT and Japan’s Q-STAR signed a memorandum on October 7, as detailed in the VTT announcement, to share information and speed commercialization across both quantum ecosystems. The deal folds VTT’s BusinessQ industrial group into the framework so research can reach real customers faster.

Kalle Härkki, VTT’s President and CEO, called international collaboration essential for turning breakthroughs into industrial impact. Taro Shimada of Q-STAR called the partnership a milestone for connecting the two national ecosystems.

Spanish QKD Joins Canada’s Kirq Testbed

LuxQuanta’s Nova lq continuous-variable QKD system is now live on Numana’s Kirq quantum-safe testbed in Quebec, according to the LuxQuanta site. More than $10 million in joint Canadian and Quebec funding supports the open fiber infrastructure run by Bell, Telus and Ciena.

Victor Gomis of LuxQuanta said any user can now test the system under real operator conditions. The move gives North American operators a practical continuous-variable option beside existing discrete-variable hardware.

Oxford Holds Mixed-Species Entanglement for 10 Seconds

Physicists at the University of Oxford entangled strontium and calcium atoms across a short quantum network and kept the shared state alive for more than 10 seconds, as reported by the Oxford physics department. Strontium ions generated the remote link while calcium ions stored the entanglement because their states resist magnetic noise. The team produced shared states involving up to four atoms and transferred the entanglement locally.

Lead author Dougal Main noted different atoms let designers take the best features from each species. The work appears in Physical Review Letters.

Superconductivity Faces a Quantum Tug-of-War

A collaboration between the Simons Foundation’s Flatiron Institute and Quebec’s INRS showed superconductivity and the neighboring pseudogap state compete inside cuprate materials, according to the Simons Foundation.

Laser pulses and simulations revealed the two phases wrestle for dominance rather than one simply building on the other. Olivier Gingras of the Flatiron Institute said the results challenge the idea superconductivity merely extends a pre-existing pseudogap. The finding, published in Nature Physics, explains one barrier to higher-temperature superconductivity.

CityUHK Finds a Path to Entropy-Free Energy Transfer

Researchers at City University of Hong Kong discovered the non-unique decomposition of mixed quantum states can enable deterministic energy harvesting without transferring entropy, as covered by CityUHK’s media office.

Professor Oscar Dahlsten’s team set out to prove such a protocol impossible and instead found a workable quantum solution. The result, published in Physical Review Letters, suggests a route to extract predictable energy from quantum sources.

Defence and Federal Crypto Agility Advance

Arqit announced a strategic investment in Sirius Computer, per the Arqit release, to accelerate the Crux software connectivity platform combining Sirius networking with Arqit’s Sovereign Key Platform and NetworkSecure adaptors. The companies form part of a winning consortium for NATO secure networking and plan joint sales to the UK Ministry of Defence and the US Department of Defense.

Separately, Quantum XChange and Carahsoft scheduled an October 22 webinar, noted in the Quantum XChange notice, on meeting federal crypto-agility requirements under Executive Order 14412 and OMB M-26-15 without replacing existing network gear.

SEALSQ will showcase its US quantum investments and collaborations at IQT Quantum + AI 2026 in New York, with CEO Carlos Moreira delivering the main keynote, according to the SEALSQ GlobeNewswire.

Mobile Apps Still Lack Quantum-Safe Code

NowSecure analyzed 136,711 iOS and Android apps and found 96.9 percent contained no detectable post-quantum cryptography code or libraries, as published by NowSecure. Even among the most popular US apps, fewer than one in ten showed quantum-safe elements. The static binary inspection also flagged weak classical algorithms in more than 3,100 apps. The analysis, released October 20, highlights a mobile gap most enterprise PQC plans still overlook.

Shor Joins Zapata While Conductors and Virtual Machines Appear

Peter Shor, whose 1994 algorithm first demonstrated quantum computational advantage, joined Zapata Quantum’s Scientific Advisory Board along with Alexandru Paler, Simon Devitt and Artur Izmaylov, according to the Zapata release. The board will advise on Quantum Pilot, Zapata’s hardware-agnostic platform for discovering and developing applications. Shor said he is excited about the work and looks forward to guiding it.

Meanwhile, ETH Zurich spin-off Qendra is building central control systems acting like conductors for trapped-ion and neutral-atom machines, synchronizing lasers and cameras so algorithms reach the qubits cleanly, as described in the ETH Zurich feature.

PostQuant Labs launched its Quip Virtual Machine on the Aglais testnet, letting developers write one constraint-based program running on D-Wave annealers, gate-based systems or classical hardware, with IonQ support coming, covered by The Next Web.

Welnq demonstrated GPU-accelerated detector-error-model sampling inside NVIDIA CUDA-Q, detailed on the Welnq blog.

Palm Beach, Florida Banks and Other Regional Plays

Palm Beach County continues its Quantum Beach push, with D-Wave establishing a US headquarters and research facility in Boca Raton, Florida Atlantic University installing a $20 million Advantage2 system, and Palm Beach State College building a quantum technician lab, as covered by WLRN. Local leaders aim to turn the region into a full ecosystem of hardware, talent and investment.

Separately, Quantum Ready Labs published a Q4 2026 snapshot of Florida banks and credit unions measuring their post-quantum TLS readiness, available in the Florida financial study.

LIS Technologies received NRC approval of its Standard Practice Procedures Plan for the Oak Ridge laser-enrichment demonstration facility, clearing another regulatory step toward commercial uranium enrichment, per the LIS Technologies announcement.

Relm Insurance partnered with Project Eleven to explore how post-quantum controls might factor into digital-asset insurance underwriting, detailed in the Relm release.

The BIRD Foundation approved $7.4 million in conditional grants for seven new US-Israel R&D projects including quantum computing among other fields, according to the BIRD Foundation notice.

Bechtle will supply the German Aerospace Center’s Quantum Computing Initiative with cloud access to IQM superconducting systems through June 2027, per the IQM statement. CSO Online examined how long-lived operational-technology devices complicate the shift to quantum-resistant protection in its CSO analysis.

To top it all off, Splendor Labs demonstrated direct NFC payments on its patent-pending quantum-resistant Layer-1 infrastructure, as reported by EIN News.

Bottom Line

Today’s stories show national ecosystems linking, entanglement lasting long enough to be useful, and cryptography still lagging on the devices people actually carry, so the gap between laboratory progress and everyday protection remains wide.

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Sources

1. Q-STAR and VTT strengthen quantum technology collaboration between Japan and Finland | VTT
2. LuxQuanta joins Numana Kirq | LuxQuanta
3. Quantum network entangles several atoms of different elements | University of Oxford
4. Carahsoft webinar federal crypto agility requirements | Quantum XChange
5. Experiment reveals quantum tug of war limiting higher temperature superconductivity | Simons Foundation
6. CityUHK researchers shatter physical limitations | City University of Hong Kong
7. Arqit announces strategic investment in Sirius | Arqit
8. SEALSQ to showcase US quantum investments at IQT | GlobeNewswire
9. 97 of mobile apps show no quantum safe encryption | NowSecure
10. LIS Technologies granted NRC approval | LIS Technologies
11. Exploring quantum risk Relm partners with Project Eleven | Relm Insurance
12. BIRD Foundation approves 7.4 million for seven new US-Israel RD partnerships | PR Newswire
13. Florida financial 2026Q4 | Quantum Ready Labs
14. Dr Peter Shor anchors prominent group of quantum scientists joining | Zapata Quantum
15. GPU accelerated DEM sampling NVIDIA CUDA-Q | Welnq
16. Bechtle expands DLR quantum computing resources with IQM technology | IQM
17. OT systems complicate shift to quantum resistant data protection | CSO Online
18. PostQuant Labs Quip virtual machine quantum | The Next Web
19. Spin-off developing conductors for quantum computers | ETH Zurich
20. Splendor Labs demonstrates direct NFC payments on patent pending quantum resistant infrastructure | EIN News
21. Palm Beach County bets on quantum computing | WLRN

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See today’s news at The Qubit Report.