Bulletin of the American Physical Society
APS March Meeting 2024
Monday–Friday, March 4–8, 2024; Minneapolis & Virtual
Session Q53: Quantum Networks: Modeling, Components and Demonstrations
3:00 PM–5:36 PM,
Wednesday, March 6, 2024
Room: 202AB
Sponsoring
Unit:
DQI
Chair: Allen Zang, University of Chicago
Abstract: Q53.00012 : Hardware modelling in space-based quantum networks
5:12 PM–5:24 PM
Presenter:
Victoria Domínguez Tubío
(Delft University of Technology)
Author:
Victoria Domínguez Tubío
(Delft University of Technology)
To date, most works have considered hardware agnostic models of satellite-based quantum repeaters which has confirmed the promise of the approach but important questions regarding realistic hardware performance in space remain unanswered. Here, I will present a semi-analytical model of a satellite-based quantum network that takes into account hardware losses, both classical (link budget) and quantum (quantum memory time, imperfect qubit operations, etc.). The semi-analytical flavor of the model allows for easy adaptation to different situations and optimization of various elements such as satellite positions. Furthermore, I will present results on achievable quantum communication rates focusing on quantum hardware based on individually trapped neutral atoms which are particularly promising for satellite quantum payloads since they allow for laser cooling and have long coherence times.
[1] C. Liorni et al., “Quantum repeaters in space”, New Journal of Physics, vol.23, 2021
[2] J. Wallnoffer et al., “Simulating quantum repeater strategies for multiple satellites”, Communications Physics, vol. 5, 2022."
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