10+ hour, 25+ min ago  (717+ words) An order of magnitude improvement in secret key rate, ten times more secure data, is now theoretically achievable in quantum communications through a new approach to encoding information. Conventional methods maximise efficiency at vanishingly weak signals, yet this work demonstrates…...

3+ day, 11+ hour ago  (751+ words) Quantum Zeitgeist VIA Science is now offering Quantum Transfer, a data transfer solution on Amazon Web Services designed to defend against evolving cyber threats. The system addresses concerns around "Harvest Now, Decrypt Later" (HNDL) attacks by utilizing end-to-end, quantum-resistant encryption,…...

5+ day, 5+ hour ago  (301+ words) Can a metropolitan optical network secure quantum communications with fewer than half the usual specialised modules? Strategically replacing 40% of existing fibre links with hollow-core fibre reduces the required quantum module count by up to 49% compared to standard single-mode networks. This…...

2+ week, 2+ day ago  (569+ words) We've seen the rise of AI over the last few short years with the rise of the LLM and companies such as Open AI with its Chat GPT service. Ivy has been working with Neural Networks, Machine Learning and AI…...

2+ week, 7+ hour ago  (661+ words) Can secure communication be established with 105 signals at distances beyond 12 d B using affordable technology. It now can, as a new method overcomes previous limitations in quantum key distribution, reducing constraints on repetition rates and statistical estimation costs. This advancement…...

2+ week, 4+ day ago  (712+ words) Quantum Zeitgeist WISe Key International Holding Ltd. is solidifying its position in the growing field of space-based security with its WISe Sat subsidiary, now operating as "WISE Space Advanced Technologies." The European company currently maintains access to 14 operational satellites and…...

2+ week, 5+ day ago  (880+ words) Previously, deploying quantum key distribution demanded dedicated fibre infrastructure. Now, simulations reveal up to 65% of unused capacity within existing 80-channel wavelength division multiplexing systems can support secure quantum communication alongside classical data. This offers a pathway to integrate quantum security…...

3+ week, 2+ day ago  (1007+ words) Receiving four distinct radio frequencies within a single atomic system was previously unattainable. Now, a new hybrid Rydberg atomic receiver architecture overcomes limitations of existing designs, demonstrably increasing throughput compared to conventional approaches. This six-level system facilitates simultaneous multi-band reception,…...

3+ week, 5+ day ago  (896+ words) Sixteen distinct channels of single photons, precisely spaced 25 GHz apart, now carry quantum information thanks to a newly demonstrated network hub. Unlike previous methods, this system achieves polarization-insensitive frequency conversion, bridging the gap between local quantum devices and existing telecommunications…...

3+ week, 5+ day ago  (13+ words) Intense Laser Pulses Create Harmonics Above 15. 82 Electron Volts In Argon Gas'Quantum Zeitgeist...