Optical performance monitor utilizing nonlinear detection
US7171130B2 · kind B2 · utility
2Cited by
3References
11Claims
0Family size
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Key dates
| Filing date | Sep 12, 2002 |
| Grant date | Jan 30, 2007 |
| Priority date | — |
| Expiry date | Sep 30, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B10/07951
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An optical performance monitor particularly well-suited for use in dense wavelength-division multiplexed (DWDM) systems includes both a nonlinear optical detector and a conventional linear detector. The nonlinear optical detector, which may comprise a quadratic detector, is used to provide information, on a channel-by-channel basis, regarding chromatic dispersion, polarization mode dispersion and accumulated amplified spontaneous emission (ASE) noise in each signal wavelength.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.