Reconfigurable free-space quantum cryptography system
US10333701B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Feb 16, 2017 |
| Grant date | Jun 25, 2019 |
| Priority date | — |
| Expiry date | Jun 4, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/0869
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A system, and methods, for transmitting encrypted information as a quantum transmission between a first node and a second node, or among more than two nodes. Each node is characterized by an instantaneous spatial position, and the instantaneous spatial position of the second node is repositionable within a frame of reference associated with the first node. A hovering drone is adapted either for running a quantum key transmission protocol in secure communication with the first node, and/or for running a quantum key reception protocol in secure communication with the second node. Either drone may serve as a relay of optical data between a base station and another drone. Secure communication among more than two nodes may be reconfigured.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.