21–26 Jun 2026
U. Ottawa - Learning Crossroads (CRX) Building
America/Toronto timezone
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Stochastic Modeling of a Memory-Assisted Measurement-Device-Independent Quantum Key Distribution System in Free-Space Metropolitan Environments

25 Jun 2026, 17:00
15m
U. Ottawa - Learning Crossroads (CRX) Building

U. Ottawa - Learning Crossroads (CRX) Building

100 Louis-Pasteur Private, Ottawa, ON K1N 9N3
Oral not-in-competition (Undergraduate Student) / Orale non-compétitive (Étudiant(e) du 1er cycle) Division for Quantum Information / Division de l'information quantique (DQI / DIQ) (DQI) R2-5 | (DIQ)

Speaker

Fares Nada (Aerospace Engineering Student at Carleton University)

Description

The implementation of metropolitan-scale Memory-Assisted Measurement-Device-Independent Quantum Key Distribution (MA-MDI-QKD) stands as a crucial milestone on the pathway to global quantum secure communication. In this presentation, I will present a simplistic and intuitive stochastic model to predict key distribution rates in a MA-MDI-QKD scheme that addresses the real world parameters inherent to free-space quantum communication channels. Specific to my algorithm, the memory-assisted based system allows us to leverage the advantage of asynchronously loaded quantum memory when predicting the distribution rates. Specifically, by focusing on metropolitan distances, I will perform simulations tailored toward a system based on free-space links and field-deployable quantum memory. The model shown will predict key rate distributions over ranges of 10- 50 km for a set of atmospheric-based parameters and selection of QM efficiencies and coherence times. This tool provides impactful insights into the deployment and optimization of practical MA-MDI-QKD networks in urban environments. This streamlined approach is a valuable addition to existing quantum network simulators for the smooth integration of quantum networking into the field of communications engineering.

Keyword-1 Quantum Key Distribution
Keyword-2 Quantum Network Modeling

Author

Fares Nada (Aerospace Engineering Student at Carleton University)

Co-authors

Ms Amber Hussain (Engineering Physics Student at Carleton University) Ms Tasmi Ahmed (Aerospace Engineering Student at Carleton University)

Presentation materials

There are no materials yet.