Two stage optical amplifier

Details Two stage optical amplifier Two stage optical amplifier

2007-04-03

2007-04-03

Hughes, Deandra M. (Department: 3663)

Optical: systems and elements

Optical amplifier

Correction of deleterious effects

C359S333000

Reexamination Certificate

active

10864600

ABSTRACT:
The invention describes a system of two-stage optical amplifiers adapted for inserting OADM in the mid-stage, and an integrated assembly designed for implementing the amplifiers in a way suitable for forming bi-directional configurations useful in optical networks. A so-called east-west configuration for a bi-directional transmission is described, where each direction of the optical transmission is served by the two-stage optical amplifier the 1ststage of which belongs to one integrated assembly, and the 2ndstage—to another assembly.

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