Quantum key distribution in optical communications network
US11165570B2 · kind B2 · utility
0Cited by
5References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 9, 2018 |
| Grant date | Nov 2, 2021 |
| Priority date | — |
| Expiry date | Oct 12, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04Q2011/0086
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A method for operating a communications network node, the node including a first amplified optical section, a second non-optical section, and an optical bypass section the method including receiving at the node, a first optical channel at a first wavelength and a second optical channel at a second wavelength; directing the first optical channel to the first amplified optical section; directing the second optical channel to the second non-optical section during a first time period; and directing the second optical channel to the optical bypass section during a second time period.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.