Dispersion managed fiber optic cable and system
US6526208B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 27, 2000 |
| Grant date | Feb 25, 2003 |
| Priority date | — |
| Expiry date | Feb 11, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B10/25253
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A hybrid optical fiber comprises a first fiber section comprising a fiber or a concatenation of fibers having first dispersion characteristics at a predetermined operating wavelength and a second fiber section coupled to the first fiber section to form the hybrid fiber. The first fiber dispersion characteristics are selected to maintain the signal dispersion within desired limits, whereas the second fiber is optimised for low loss. Dispersion compensation is provided in the first section of the fiber span where the signal intensity is highest, and therefore the region of the fiber span where these non-linearities have greatest effect. In the second section of the fiber span, the non-linear effects can be ignored, so it is optimised for low loss rather than for dispersion compensation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.