Fibre-based communication
US11223424B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Aug 10, 2018 |
| Grant date | Jan 11, 2022 |
| Priority date | — |
| Expiry date | Aug 10, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/34
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
In accordance with an example embodiment of the present invention, there is provided an apparatus (160) comprising two inputs configured to receive two optical signals from two fibres (155, 157) from two respective optical transmitters, a beam splitter configured to convert the optical signals into dual rail form, the apparatus being configured to cause the optical signals to interfere with each other, a plurality of single photon detectors configured to measure the dual rail form optical signals, and at least one processing core configured to obtain compensation adjustment information concerning the two fibres and to inform the optical transmitters of the compensation adjustment information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.