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Fall 2025 Offering
Course Overview: The objective of the course is to introduce the concepts of quantum communications and quantum key distribution (QKD). The course will generalize the concepts of analog and digital communications using the theory of quantum mechanics and information theory. Upon successful completion of this course, students will acquire a broad understanding of the mathematical concepts behind quantum communication and QKD protocols. Students will also be able to design and analyse various quantum communication systems and QKD protocols.
Contents
1. Introduction to quantum communications
2. Vector spaces and Hilbert spaces
3. Postulates of Quantum Mechanics
4. Classical and quantum optical communication systems
5. Quantum decision theory: POVM & Square Root Measurements (SRM)
6. Quantum modulation schemes: OOK, BPSK, PSK, QAM
7. Quantum information theory
8. Quantum Key Distribution (QKD) protocols
9. Continuous variable (CV) quantum information and CV-QKD
Pre-requisites: Signals and Systems, Communication Engineering, Linear Algebra and Probability Theory
References: Suggested Readings will be updated on Moodle weekly.
1. Gianfranco Cariolaro, "Quantum Communications", Springer 2015.
2. Ramona Wolf, “Quantum Key Distribution”, Springer 2021.
3. Ivan B. Djordjevic, “Physical-Layer Security and Quantum Key Distribution”, Springer 2019.
Evaluation:
1. Midterm Exam: 40%; Major Exam: 40%; Term-Paper: 20%.
2. Audit Pass will require a minimum of 40% marks and 50% attendance.
Attendance Policy: As per the institute policy (One grade down if <75%)
Lecture Timings:
This is X-slot course. Tentative Class time: Tue and Fri (3.30 pm-5 pm)
Venue: LH 413.4.
Instructor:
Dr. Neel Kanth Kundu.
Office: Block III, Room 208.
Email: neelkanth@iitd.ac.in
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