Optical communications – Transmitter and receiver system – Including compensation
Reexamination Certificate
2006-02-28
2006-02-28
Sedighian, M. R. (Department: 2633)
Optical communications
Transmitter and receiver system
Including compensation
C398S147000, C398S159000
Reexamination Certificate
active
07006769
ABSTRACT:
The invention, relates to a method for optical fiber communication. An optical signal having chirping determined by a chirp parameter is output to an optical fiber transmission line. The optical signal transmitted by the optical fiber transmission line is converted into an electrical signal. A bit error of the electrical signal is detected. Then, the chirp parameter is controlled so that the bit error detected above is reduced. According to this method, the chirp parameter is controlled so that the bit error detected is reduced. Accordingly, a chirping occurring in the optical fiber transmission line can be suppressed by the chirping of the optical signal to be output to the optical fiber transmission line, thereby compensating for chromatic dispersion and nonlinearity.
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Kawasaki Yumiko
Okano Satoru
Tsuda Takashi
Yamane Kazuo
Fujitsu Limited
Sedighian M. R.
Tran Dzung
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