Milestones Achieved
- Technical Specifications created (April 2024)
- Creation of a standardization work group (January 2025)
- Critical design review for Space Quantum Sources (January 2025)
- Preliminary design review for post‑processing software (January 2025)
Events
- Open House 2025 @qtlabs: 6 events in 5 days gained the attention of more than 170 participants. We presented Satellite-based Quantum Key Distribution to journalists, students and researchers, potential costumers and stakeholders including a minister and state secretaries.
Presentations at Conferences
- QTX-8 Workshop on Quantum Technologies on Small Satellites, Munich (2024)
- EQTC, Lisbon (2024)
- CYSAT, Paris (2024)
- MAWI, Triest (2025)
- ESA Workshop on Quantum Satellite Networks, Munich (2025)
Publications
- A. Agulleiro, F. Grünenfelder, M. Pereira, G. Currás-Lorenzo, H. Zbinden, M. Curty, D. Rusca, “Modeling and Characterization of Arbitrary Order Pulse Correlations for Quantum Key Distribution”, preprint arXiv:2506.18684 (2025), submitted to Quantum.
- K. Zaitsev, V. Bizin, D. Kuzmin, and V. Makarov, “Energy–time attack on detectors in quantum key distribution”, preprint arXiv:2603.07538 (2026).
- H. Tan, M. Petrov, W. Zhang, L. Han, S.-K. Liao, V. Makarov, F. Xu, and J.-W. Pan, “Wide-spectrum security of quantum key distribution”, PRX Quantum 6, 040331 (2025).
- A. Ponosova, I. Zhluktova, D. Ruzhitskaya, D. Trefilov, A. Huang, A. Wolf, V. Kamynin, V. Tsvetkov, and V. Makarov, “Pulsed laser attack at 1061 nm potentially compromises quantum key distribution”, Appl. Phys. Lett. 127, 194002 (2025).
- G. Currás Lorenzo, M. Pereira, K. Tamaki, M. Curty, “Rigorous phase-error-estimation security framework for QKD with correlated sources”, preprint arXiv:2601.08417 (2026), submitted to Physical Review Letters.
- V. Mannalath, V. Zapatero, M. Curty, “Elementary Tail Bounds on the Hypergeometric Distribution”, preprint arXiv:2510.19726 [math.PR] (2025), submitted to Statistics and Probability Letters.
- F.-Y. Lu, J.-X. Li, Z.-H. Wang, S. Wang, Z.-Q. Yin, A. Navarrete, M. Curty, W. Chen, D.-Y. He, G.-Can Guo, and Z.-F. Han, “Breaking the system-frequency limitation of quantum key distribution”, preprint arXiv:2509.00438 (2025).
- S. Juárez, A. Marcomini, M. Petrov, R. I. Woodward, T. J. Dowling, R. M. Stevenson, M. Curty, and D. Rusca, “Reference-beam attacks against twin-field quantum key distribution using optical injection locking”, Phys. Rev. A 113, 032613 (2026).
- A. Navarrete, V. Zapatero, and M. Curty, “Security of practical modulator-free quantum key distribution”, npj Quantum Information 11, 187 (2025).
- G. Currás-Lorenzo, M. Pereira, G. Kato, M. Curty, and K. Tamaki, “Security framework for quantum key distribution with imperfect sources”, Optica Quantum 3, 525-534 (2025).
- G. Currás-Lorenzo, M. Pereira, S. Nahar, and D. Tupkary, “Security of quantum key distribution with source and detector imperfections through phase-error estimation”, preprint arXiv:2507.03549 (2025), submitted to npj Quantum Information.
- M. Pereira, G. Currás-Lorenzo and M. Araújo “Optimal key rates for quantum key distribution with partial source characterization”, preprint arXiv:2510.13085 (2025), submitted to Quantum.