Single-qubit optical quantum fingerprinting.
We analyze and demonstrate the feasibility and superiority of linear optical single-qubit fingerprinting over its classical counterpart. For one-qubit fingerprinting of two-bit messages, we prepare "tetrahedral" qubit states experimentally and show that they meet the requirements for quantum fingerprinting to exceed the classical capability. We prove that shared entanglement permits 100% reliable quantum fingerprinting, which will outperform classical fingerprinting even with arbitrary amounts of shared randomness.
Horn
Rolf T
RT
Institute for Quantum Information Science, University of Calgary, Alberta T2N 1N4, Canada.
Babichev
S A
SA
Marzlin
Karl-Peter
KP
Lvovsky
A I
AI
Sanders
Barry C
BC