H - Electricity – 04 – J
Patent
H - Electricity
04
J
H04J 14/02 (2006.01) H04B 10/02 (2006.01) H04B 10/16 (2006.01) H04B 10/18 (2006.01) H04B 17/00 (2006.01)
Patent
CA 2273778
Optical telecommunications system, comprising a transmission station generating of transmission signals (1A, 1B) at a minimum of two predetermined wavelengths, a wavelength division multiplexer (3A, 3B) for sending the said transmission signals along an optical fibre line, and at least one power amplifier (5A, 5B), a station for receiving the said transmission signals, comprising at least one preamplifier (7A, 7B) of a device (8A, 8B) for the selective separation of the signals and a receiver (2A, 2B) of the said transmission signals, a plurality of stations (6A, 6B) for amplifying the optical signal, disposed along an optical fibre line which connects the transmission station to the receiving station, and a control unit (18) disposed within each line station. This system also comprises optical channel analysers (50), disposed down-stream from the power amplifiers (5A, 5B) at each signal amplification station, at the output of the line amplifiers (6A, 6B) and at the input of the preamplifiers (7A, 7B), and connected to the said control unit (18).
Aina Stefano
Barozzi Gianpaolo
Bognanni Gianpiero
Vanoli Stefano
Corning O.t.i. Inc.
Kirby Eades Gale Baker
Pirelli Cavi E. Sistemi S.p.a.
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