Light wavelength-multiplexing systems

Details Light wavelength-multiplexing systems Light wavelength-multiplexing systems

2005-07-19

2005-07-19

Hellner, Mark (Department: 3663)

Optical: systems and elements

Optical amplifier

Optical fiber

C359S333000

Reexamination Certificate

active

06919987

ABSTRACT:
An optical transmission device has an optical amplifier, first and second control signal reception units and a transmission unit. The first control signal reception unit receives control signals from a receiving end optical service channel. The second control signal reception unit receives control signals from an operator. The transmission unit transmits to the optical amplifier, either the control signals from the receiving end optical service channel or the control signals from the operator so that the optical amplifier operates in either an automatic level control mode or an automatic gain control mode.

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