| 摘要 |
A chromatic dispersion compensation method is disclosed that compensates for chromatic dispersion in an optical transmission line. Dispersion compensators provided one for each of first dispersion compensation segments, each of which constitutes a predetermined length of the optical transmission line, are set such that a residual dispersion slope in each of the first dispersion compensation segments becomes positive. Then, dispersion slope compensators provided one for each of second dispersion compensation segments, each of which includes a predetermined number of the first dispersion compensation segments, are set to have a negative dispersion slope such that residual dispersion slopes in each of the second dispersion compensation segments becomes zero.
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