Methods for monitoring performance in optical networks

Details Methods for monitoring performance in optical networks Methods for monitoring performance in optical networks

2005-06-28

2005-06-28

Negash, Kinfe-Michael (Department: 2633)

Optical communications

Diagnostic testing

Determination of communication parameter

C398S081000, C398S149000

Reexamination Certificate

active

06912359

ABSTRACT:
A suite of optical performance monitoring (OPM) methods, based on optical subcarrier multiplexing, are described by the invention. The strength of this approach lies in the simplicity of double sideband subcarrier signals and the fact that these signals travel the complete optical path with the baseband signal of interest. The subcarrier signals can be recovered using techniques described in the application and are immune to fiber dispersion induced fading.

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