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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

  • Quantum Information Processing, Quantum Cryptography, Quantum Speed Limit

 

Research Interest

  • Quantum Cryptography

  • Quantum Information Processing

 

Representative Publications

  •  "$\alpha_{>}(\epsilon) = \alpha_{<}(\epsilon)$ For The Margolus-Levitin Quantum Speed Limit Bound", H.F. Chau, Physical Review A, 108, 052202:1--7 (2023)
  •  "Reducing The Impact Of Adaptive Optics Lag On Optical And Quantum Communications Rates Of Rapidly Moving Sources", K.S. Chan, & H.F. Chau, AIP Advances, 13, 055201 (2023)
  •  "Quantum And Classical Data Transmission Through Completely Depolarizing Channels In A Superposition Of Cyclic Orders", G. Chiribella, M. Wilson, & H.F. Chau, Physical Review Letters, 127, 190502:1--6 (2021)
  •  "Tight Upper Bound Of The Maximum Speed Of Evolution Of A Quantum State", H.F. Chau, Physical Review A, 81, 062133:1--4 (2010)
  •  "Unconditionally Secure Key Distribution In Higher Dimensions By Depolarization", H.F. Chau, IEEE Transactions On Information Theory, 51, 1451--1468 (2005)
  •  "Practical Scheme To Share A Secret Key Through A Quantum Channel With A 27.6\% Bit Error Rate", H.F. Chau, Physical Review A, 66, 060302(R):1—4 (2002)
  •  "Unconditional Security Of Quantum Key Distribution Over Arbitrarily Long Distances", H.-K. Lo, & H.F. Chau, Science, 283, 2050--2056 (1999)
  •  "Is Quantum Bit Commitment Really Possible?", H.-K. Lo, & H.F. Chau, Physical Review Letters, 78, 3410--3413 (1997).
  • "Postglitch Relaxation Of The Vela Pulsar After Its First Eight Large Glitches: A Reevaluation With The Vortex Creep Model", M.A. Alpar, H.F. Chau, K.S. Cheng, & D. Pines, Astrophysical Journal, 409, 345--359 (1993)
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