H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 1/62 (2006.01) G02B 26/00 (2006.01) G02F 1/00 (2006.01) G02F 1/03 (2006.01) G02F 1/21 (2006.01) H03H 11/00 (2006.01) H04B 3/14 (2006.01) H04B 10/02 (2006.01) H04B 10/12 (2006.01) H04B 10/155 (2006.01) H04B 10/18 (2006.01) H04J 1/18 (2006.01) H04J 14/00 (2006.01)
Patent
CA 2256811
The present invention relates to a method and circuit for pre-distorting a signal to eliminate the non-linearities of the input/output characteristics of non-linear stages, and in particular to eliminate third-order non-linearities. More particularly, it relates to a method and circuit for pre-distorting, for external optical modulators of the Mach-Zehnder type. The method for pre-distorting an electrical signal comprises the stages of: - supplying the said signal to at least one distorting circuit; - supplying a current to the said distorting circuit along a first conducting path; - distorting the said signal in the said distorting circuit; characterized in that the said stage of supplying a current to the said distorting circuit comprises the stage of supply a current to a second conducting path parallel to the said first conducting path.
Mussino Franco
Notargiacomo Massimo
Ravasio Giuseppe
Zammarchi Claudio
Corning O.t.i. Inc.
Kirby Eades Gale Baker
Pirelli Cavi E. Sistemi S.p.a.
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