Device and method for setting add signal level for OADM system

Optical communications – Multiplex – Wavelength division or frequency division

Reexamination Certificate

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Details

C398S083000, C398S084000, C398S085000, C398S082000, C398S079000, C398S177000, C398S025000, C398S038000, C385S024000, C385S037000, C385S140000

Reexamination Certificate

active

10100919

ABSTRACT:
An optical level calculator calculates optical powers of individual wavelengths of a through wavelength division multiplexed signal based on an input level monitor, network information, and insertion loss information5, and obtains an optimum level for an add signal. An optical level controller controls a power of the add optical signal to the optimal level based on the calculated result, and multiplexes the through wavelength division multiplexed signal and the add optical signal.

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patent: WO 02/063811 (2002-02-01), None

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