In-service optical dispersion determining system and method

Details In-service optical dispersion determining system and method In-service optical dispersion determining system and method

2011-02-15

2011-02-15

Pascal, Leslie (Department: 2613)

Optical communications

Transmitter and receiver system

Including compensation

30, 30

Reexamination Certificate

active

07889995

ABSTRACT:
A system and method for in-service optical dispersion determination are provided. Optical dispersion is determined by splitting a first optical signal into two components, introducing a time delay between the two components such that corresponding pulses of the two components partially overlap, combining the two components to generate a combined optical signal comprising a first component and a second component, determining power of the combined optical signal while applying a plurality of dispersion compensation values, in order to determine a dispersion compensation value that results in a minimum detected power of the combined optical signal. Polarization Mode Dispersion is determined by adjusting the time delay that is introduced until the power of the combined optical signal is substantially equal for all of the plurality of dispersion compensation values.

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