Optical: systems and elements – Optical amplifier – Optical fiber
Reexamination Certificate
2005-05-17
2005-05-17
Moskowitz, Nelson (Department: 3663)
Optical: systems and elements
Optical amplifier
Optical fiber
C359S337200
Reexamination Certificate
active
06894830
ABSTRACT:
Disclosed is a bi-directional optical-amplifier module including first through fourth optical amplifiers, a mid-stage device for performing a desired signal processing for an upward or downward optical signal passing therethrough, a first optical-signal-path-setting device for supplying an optical signal inputted to a first input/output terminal of the bi-directional optical-amplifier module while outputting an optical signal outputted from the fourth optical amplifier to the first input/output terminal, a second optical-signal-path-setting device for supplying an optical signal inputted to a second input/output terminal of the bi-directional optical-amplifier module while outputting an optical signal outputted from the third optical amplifier to the second input/output terminal, a third optical-signal-path-setting device for outputting an optical signal outputted from the first optical amplifier to a first input/output terminal of the mid-stage device while supplying an optical signal outputted from the first input/output terminal of the mid-stage device to the fourth optical amplifier, and a fourth optical-signal-path-setting device for outputting an optical signal outputted from the second optical amplifier to a second input/output terminal of the mid-stage device while supplying an optical signal outputted from the second input/output terminal of the mid-stage device to the third optical amplifier.
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Cho Yun-hee
Hwang Seong-Taek
Kim Hyun Deok
Lee Chang-Hee
Oh Yun-Je
Cha & Reiter LLC
Moskowitz Nelson
Samsung Electronics Co Ltd.
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