4 citations · 4 across the 3 of their papers we have counts for
5 papers · 1 filter
Sealing quantum message by quantum code
H. F. Chau
Quantum error correcting code is a useful tool to combat noise in quantum computation. It is also an important ingredient in a number of unconditionally secure quantum key distribu…
Practical Scheme To Share A Secret Key Through An Up To 27.6% Bit Error Rate Quantum Channel
H. F. Chau
A secret key shared through quantum key distribution between two cooperative players is secure against any eavesdropping attack allowed by the laws of physics. Yet, such a key can…
Efficient Quantum Key Distribution
M. Ardehali, H. F. Chau, Hoi-Kwong Lo
We devise a simple modification that essentially doubles the efficiency of a well-known quantum key distribution scheme proposed by Bennett and Brassard (BB84). Our scheme assigns…
How much does it cost to teleport?
H. F. Chau, H. -K. Lo
We show that the entropy of entanglement of a state characterizes its ability to teleport. In particular, in order to teleport faithfully an unknown quantum -state, the two user…
Quantum Cryptography in Noisy Channels
Hoi-Kwong Lo, H. F. Chau
We provide a complete proof of the security of quantum cryptography against any eavesdropping attack including coherent measurements even in the presence of noise. Polarization-bas…