Insider Brief Several key figures in the UK’s quantum sector have been honored in the HM The King’s Birthday Honours List 2024. Ian Alexander Walmsley, Rachel Louise Maze and Jonathan Legh-Smith were recognized for their […]
Insider Brief A 100+ qubit quantum processing unit, acquired by GENCI, was delivered at TGCC, the CEA computing centre. The delivery is part of the broader High-Performance Computer and Quantum Simulator hybrid (HPCQS) project, co-funded […]
Insider Brief SK Telecom officially launched its new quantum alliance, X Quantum, this week. South Korea’s largest wireless carrier by membership formed an alliance with six other companies to explore joint marketing and business opportunities […]
Quantum 8, 1383 (2024). https://doi.org/10.22331/q-2024-06-20-1383 In this paper, we present a quantum computational method to calculate the many-body Green’s function matrix in a spin orbital basis. We apply our approach to finite-sized fermionic Hubbard models […]
The universe seems like it should be unfathomably complex. How then is science able to crack fundamental questions about nature and life? Scientists and philosophers alike have often commented on the “unreasonable” success of mathematics […]
Insider Brief Qblox announced the successful closure of its Series A funding round, securing $26 million in investment. The round was led by Quantonation and Invest-NL Deep Tech fund and with participation of QDNL participations […]
Insider Brief Wave Photonics received £4.5 million, or about $5.8 million US, to develop on-chip photonics designs for quantum technologies, sensors and data centre applications. The UK Innovation & Science Seed Fund and Cambridge Enterprise […]
Quantum 8, 1382 (2024). https://doi.org/10.22331/q-2024-06-20-1382 Discrete-variable (DV) quantum key distribution (QKD) based on single-photon detectors and sources have been successfully deployed for long-range secure key distribution. On the other hand, continuous-variable (CV) quantum key distribution […]
Quantum 8, 1381 (2024). https://doi.org/10.22331/q-2024-06-20-1381 For quantum state tomography on rank-$r$ dimension-$d$ states, we show that $widetilde{O}(r^{.5}d^{1.5}/epsilon) leq widetilde{O}(d^2/epsilon)$ copies suffice for accuracy $epsilon$ with respect to (Bures) $chi^2$-divergence, and $widetilde{O}(rd/epsilon)$ copies suffice for accuracy […]
Insider Brief PQShield, a cybersecurity company specializing in post-quantum cryptography (PQC), has raised $37 million in Series B funding. The round was led Addition, with participation from new investors Chevron Technology Ventures, Legal & General […]
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