Hoi Fung Chau

Professor Hoi Fung Chau is a theoretical quantum information scientist at the Department of Physics, Faculty of Science, The University of Hong Kong. With a research focus spanning quantum cryptography, quantum computation, and quantum speed limits, his work bridges rigorous mathematical proofs with practical innovations like satellite-to-ground communication patents.

• Education: B.Sc. (1989) and Ph.D. (1992) from HKU

Research Interests: His research primarily explores:

• Quantum speed limits for information processing
• Secure key rate optimization in quantum cryptography
• Quantum information theory fundamentals
• Theoretical astrophysics applications

Recent Research Trends: His 15 most recent publications focus on quantum communication protocols, speed limit theory, and atmospheric distortion mitigation in satellite links. These works span mathematical physics foundations, practical quantum network engineering, and statistical frameworks for finite-key analysis.

Awards:

• Outstanding Referee, American Physical Society (2009)

Grants & Collaborations: Currently leading General Research Fund projects on quantum speed limits and depolarization security, while maintaining extensive collaborations across Hong Kong-Shenzhen quantum research workshops and ERATO conferences.