Wavelength agile optical transponder for bi-directional, single fiber WDM system testing
US6868233B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 14, 2000 |
| Grant date | Mar 15, 2005 |
| Priority date | — |
| Expiry date | Aug 5, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04Q11/0005
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A wavelength agile optical transponder system and method for testing a fiber optic link formed of a single fiber. An optical source coupled to the optic link provides a signal at a first wavelength which is propagated towards a wavelength division multiplex (WDM) coupler disposed on the optic link. Upon receiving the optical signal by a receiver, an optical cross-connect arrangement is utilized for transmitting the optical signal after translating its wavelength into a second wavelength. By evaluating the optical signal in the optical loop-back thus effectuated, the path integrity of the optic link is determined without having to know the wavelength of the incident signal or direction of transmission.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.