Quantum Key Distribution - From Theoretical Concept to Practical Applications

Learn about the 40-year evolution of quantum key distribution from theoretical concept to practical applications in this colloquium talk from the Centre for Quantum Technologies. Explore both academic and industry challenges in implementing quantum cryptography, including hack-proof quantum state preparation, quantum network scalability, and integration with existing communication infrastructure. Discover recent research on passive state preparation in QKD aimed at simplifying quantum network systems and overcoming current implementation limitations. Gain insights from speaker Yury Kurochkin as he examines the intersection of quantum optics and information theory in developing real-world quantum cryptography solutions.