Quantum key distribution system
US7889868B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 30, 2005 |
| Grant date | Feb 15, 2011 |
| Priority date | — |
| Expiry date | Aug 6, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/0855
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method is provided for distributing quantum cryptographic keys. The method includes receiving a first quantum signal from an initial quantum key generating transmitter. Following correspondence with the initial quantum key generating transmitter, a first quantum key is generated. A second quantum signal is transmitted to a recipient quantum key generating transmitter. Following correspondence with the recipient quantum key generating receiver, a second quantum key is generated. The first quantum key is encoded using the second quantum key. The encoded first quantum key is transmitted to the recipient quantum key generating receiver using the second quantum key.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.