Multiport optical amplifier with narrowcast power equalization

Optical communications – Multiplex – Wavelength division or frequency division

Reexamination Certificate

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Details

C398S160000

Reexamination Certificate

active

07486892

ABSTRACT:
Apparatus and method for equalizing a multiplicity of amplifier optical output signals comprised of a combined broadcast optical signal and a narrowcast optical signal having different bands of wavelengths of light by adjusting the power output level of at least one the signals in response to an amplified sample of the signal. A light switch or attenuator and a sensor for determining whether a transmission fiber is in place is connected to each of the multiplicity of optical output signals to allow the optical output signals to be turned on and off for maintenance and repair.

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patent: 11-121849 (1999-04-01), None

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