Method and apparatus for automatic compensation of first-order polarization mode dispersion (PMD)
US5930414A · kind A · utility
133Cited by
13References
41Claims
0Family size
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Key dates
| Filing date | Sep 16, 1997 |
| Grant date | Jul 27, 1999 |
| Priority date | — |
| Expiry date | Sep 16, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B10/2569
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
The effect of polarization mode dispersion that an optical signal experiences as it propagates through an optical transmission fiber is compensated for at a receiver using a birefringent compensator, in which the compensator automatically and adaptively generates a level of differential time delay that substantially equals the differential time delay that the optical signal experiences, but of different sign, and, therefore, essentially cancels out the undesired delay.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.