Optical repeater

Details Optical repeater Optical repeater

1994-11-29

1996-07-09

Boudreau, Leo

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359179, 359110, H04B 1002, H04B 1016

Patent

active

055350372

ABSTRACT:
From a terminal station, a monitoring information is transmitted superimposing on a primary signal. An optical repeater transmits a residual light of an excited light by exciting an erbium doped optical fiber by an exciting light source, in a direction opposite to said primary signal. Therefore, in the optical repeater, when a monitoring information is detected, a response signal to a terminal station is generated. The response signal is transmitted to upstream side by optical modulation of the exciting light source by the response signal.

REFERENCES:
patent: 5162936 (1992-11-01), Taga et al.
patent: 5299048 (1994-03-01), Suyama
patent: 5383046 (1995-01-01), Tomofuji et al.

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