Wavelength agile optical transponder for bi-directional,...

Details Wavelength agile optical transponder for bi-directional,... Wavelength agile optical transponder for bi-directional,...

2005-03-15

2005-03-15

Sedighian, M. R. (Department: 2633)

Optical communications

Diagnostic testing

Test signal

C398S012000, C398S023000, C398S034000

Reexamination Certificate

active

06868233

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.

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“Passive Optical Network (PON) Systems”; 3 pages; Oct. 29, 2000. [www.swt.iao.fhg.de/eurorim/guidelines/siig2/architectures22].

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