ELFT HÍRADÓ

[Szeminárium koordinátor <szfi-seminar AT wigner.hun-ren.hu>]

Módosult az időpont!SZFI Seminar
Thomas Brougham
(CNQO, Department of Physics, University of Strathclyde, Glasgow, UK, host: 
Kiss Tamás)
Analysis of satellite-based quantum key distribution under practical 
constraints
Global quantum communication networks require efficient long-distance 
distribution of quantum signals. In the absence of quantum memories, optical 
fibre communications are range-limited due to exponential losses. Satellites 
offer a promising means of distributing quantum signals over intercontinental 
distances. However, the design of satellite quantum key distribution (SatQKD) 
systems presents unique challenges over terrestrial networks. For example, 
the limited transmission times between satellites and their ground stations 
impose severe constraints. We present modelling of the efficient 
Bennett-Brassard protocol (BB84), using decoy pulses. The analysis takes 
account of many realistic constraints. The modelling is based on our open 
source SatQuMA software suite. Our results can be used to both guide the 
design and analysis of future missions, and to provide performance 
benchmarks. Tuesday, 16 April 2024, 14:00
Wigner FK SZFI, Bldg. 1, 2nd floor auditorium
Language of the talk: English
All interested are welcome!
Attila Nagyszfi-seminar AT wigner.hun-ren.hu