TSIT13 · 6 credits · Advanced level (A1N) · Elektroteknik, Teknisk fysik

Quantum Communication

Active · next start HT 2026

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After completing the course the student is expected to:

Comprehend and describe the fundamentals of quantum communication.
Analyze, model and calculate the performance of quantum communication protocols, including quantum key distribution and entanglement distribution.
Implement, measure and calculate detection probabilities in a quantum communication protocol.

Quantum communication fundamentals: Quantum key distribution, BB84, E91 and SARG04 protocols. Post-processing in quantum key distribution, entanglement, Bell states, Bell inequalities, loopholes, requirements for loophole-free Bell tests. Device-, semi-device- and measurement-device-independence, secure key rate analysis.
Implementations of quantum communication protocols: Polarization, time-bin and spatial encodings. High-dimensional quantum key distribution. Side-channel attacks, detector blinding, faked states attack, countermeasures. Robust QKD protocols, such as MDI-QKD and TF-QKD. Multi-photon protocols, quantum networks and applications, co-existence of classical and quantum data in the same channels. Fibre-based, satellite and drone-based quantum communication.