H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 10/18 (2006.01) H04B 10/04 (2006.01) H04B 10/14 (2006.01) H04L 1/00 (2006.01)
Patent
CA 2557150
In one form of the present invention, there is provided a fiber optic communication system comprising: an optical signal source adapted to receive a base binary signal and produce a first signal, said first signal being frequency modulated; and an optical spectrum reshaper adapted to reshape the first signal into a second signal, said second signal being amplitude modulated and frequency modulated; characterized in that: the frequency characteristics of said first signal, and the optical characteristics of said optical spectrum reshaper, being such that the frequency characteristics of said second signal are configured so as to increase the tolerance of the second signal to dispersion in a transmission fiber. In another form of the present invention, there is provided an optical transmitter comprising: a frequency modulated source for generating a first frequency modulated signal, and an amplitude modulator for receiving the first frequency modulated signal and for generating a second amplitude and frequency modulated signal.
Dans une forme de réalisation, l'invention concerne un système de transmission à fibre optique qui comprend : une source de signal optique permettant de recevoir un signal binaire de base et de produire un premier signal modulé en fréquence ; et un organe de remise en forme de spectre optique permettant de remettre en forme le premier signal afin de former un second signal modulé en amplitude et en fréquence. Le système est caractérisé par les caractéristiques de fréquence du premier signal et les caractéristiques optiques de l'organe de remise en forme de spectre optique, qui font en sorte que les caractéristiques de fréquence du second signal augmentent la tolérance du second signal à la dispersion dans une fibre de transmission. Dans une autre forme de réalisation, l'invention concerne un émetteur optique qui comprend une source modulée en fréquence servant à produire un premier signal modulé en fréquence, et un modulateur d'amplitude destiné à recevoir le premier signal modulé en fréquence et à produire un second signal modulé en amplitude et en fréquence.
Johnson Bart
Mahgerefteh Daniel
Matsui Yasuhiro
Tayebati Parviz
Walker Duncan
Azna Llc
Bennett Jones Llp
Finisar Corporation
LandOfFree
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