Practical Long Distance Quantum Key Distribution With High Secret Key Rate
Grant Data
Project Title
Practical Long Distance Quantum Key Distribution With High Secret Key Rate
Principal Investigator
Professor Chau, Hoi Fung
(Principal Investigator (PI))
Duration
36
Start Date
2020-01-01
Completion Date
2023-12-27
Amount
502444
Conference Title
Practical Long Distance Quantum Key Distribution With High Secret Key Rate
Keywords
quantum cryptography, quantum key distribution
Discipline
Physics
Panel
Physical Sciences (P)
HKU Project Code
17302019
Grant Type
General Research Fund (GRF)
Funding Year
2019
Status
Completed
Objectives
1 More aggressive approach to combat atmospheric turbulence and perhaps also the presence of cloud and haze on the transmission of photons used in long distance quantum key distribution. 2 To optimize the secret key rates of various qubit- and qudit-based quantum key distribution protocols based on the refined quantum channel model in objective 1 in realistic quantum-repeaterless situation by means of state-of-the-art techniques such as twin field, McDiarmid inequality and decoy state with more than three photon intensities.