H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 10/155 (2006.01) H04B 10/18 (2006.01)
Patent
CA 2299724
Soliton or soliton-like optical pulses with characteristics adapted to propagation in an optical line for RZ type transmission are generated by modulating a continuous optical signal (1) by means of a modulator (2) which is substantially devoid of chirping, in which the modulator drive signal comprises at least one frequency (4) and one harmonic (5) thereof superimposed on each other (7). A high-speed optical transmission system is rendered independent of the type of transmitter or of signals sent to it if it comprises an adaptation unit (32) receiving the original optical pulses (30) and capable of generating corresponding pulsed signals (63) of RZ type.
Des impulsions optiques à propagation soliton ou du type soliton ayant des caractéristiques adaptées à la propagation dans une ligne optique destinée à la transmission du type RZ sont générées au moyen de la modulation d'un signal (1) optique continu à l'aide d'un modulateur (2) qui est sensiblement dépourvu de fluctuations; le signal d'excitation du modulateur comprenant au moins une fréquence (4) et une harmonique (5) de cette dernière superposée l'une sur l'autre (7). Un système de transmission optique à grande vitesse est rendu indépendant du type d'émetteur ou des signaux qui lui sont envoyés s'il comprend une unité (32) d'adaptation qui reçoit les impulsions (30) optiques originelles et qui est capable de générer des signaux (63) pulsés correspondants du type RZ.
Franco Pierluigi
Grasso Giorgio
Vidmar Matjaz
Franco Pierluigi
Grasso Giorgio
Kirby Eades Gale Baker
Pirelli Cavi E. Sistemi S.p.a.
Vidmar Matjaz
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