Skip to main content
Start main content

Teaching Staff

Professor CHAU, Hoi Fung

Professor CHAU, Hoi Fung

Professor, Department of Physics, Faculty of Science, HKU

B.Sc., Ph.D. HKU; M.IEEE.; F.Inst.P.

  • 2859 1925
  • 2559 9152
  • Room 520, CYM Physics Building, The University of Hong Kong, Pokfulam Road, Hong Kong

Current Research

  • Atomic and Quantum Physics Group: Quantum Computing and Information Theory


Research Interest

  • Quantum Cryptography

  • Quantum Information Processing


Representative Publications

  • Decoy-State Quantum Key Distribution With More Than Three Types Of Photon Intensity Pulses", H. F. ChauPhysical Review A (Rapid Communications)97, 040301(R) (2018).
  • "Quantum Key Distribution Using Qudits That Each Encode One Bit Of Raw Key", H.F. ChauPhysical Review A92, 062324 (2015).
  • "Metrics on Unitary Matrices and their Application to Quantifying the Degree of Non-commutativity between Unitary Matrices", H.F. ChauQuantum Information and Computation11, 721-740 (2011).
  • "Unconditionally Secure Key Distribution in Higher Dimensions by Depolarization", H.F. ChauIEEE Transactions on Information Theory51, 1451-1468 (2005).
  • "Practical scheme to share a secret key through a quantum channel with a 27.6% Bit Error Rate", H. F. ChauPhysical Review A66, 060302(R): 1-4 (2002).
  • "Unconditional Security of Quantum Key Distribution over Arbitrarily Long Distances", H.K. Lo and H.F. ChauScience283, 2050-2056 (1999).
  • "Is Quantum Bit Commitment Really Possible?", H.K. Lo and H.F. ChauPhysical Review Letters78, 3410-3413 (1997).