Optical communication system with automatic gain control

Details Optical communication system with automatic gain control Optical communication system with automatic gain control

1992-06-30

1994-05-10

Chilcot, Jr., Richard E.

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359174, 359161, 359177, 359173, H04B 1002, H04B 1000

Patent

active

053113470

ABSTRACT:
In an optical communication system formed by terminal stations, optical repeaters provided between terminal stations, and optical fiber cables connecting between terminal stations through optical repeaters, the system includes: an optical wavelength multiplexer provided in a terminal station to multiplex a first optical signal having a wavelength .lambda.1 with a second optical signal having a wavelength .lambda.2; an optical wavelength demultiplexer provided in the terminal station to demultiplex the first optical signal from the second optical signal; plural optical repeaters, each having a unit for amplifying the first and second optical signals in accordance with a level of the second optical signal separated from the first optical signal.

REFERENCES:
patent: 4504976 (1985-03-01), Beaudet
patent: 5065456 (1991-11-01), Nakayama
patent: 5117196 (1992-05-01), Epworth et al.

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