Optical communications systems, devices, and methods
US7340183B2 · kind B2 · utility
3Cited by
16References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 23, 2002 |
| Grant date | Mar 4, 2008 |
| Priority date | — |
| Expiry date | May 12, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04J14/0305
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A method of transmitting an optical communications signal, comprising receiving a first signal, encoding the signal with a differential or duobinary encoding scheme, encoding the signal with an oscillating signal component, and sub-carrier modulating the signal onto a sub-carrier of an optical carrier signal. The invention also relates to corresponding systems and apparatuses.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.