Detection of, and compensation for, waveform change due to chrom

Details Detection of, and compensation for, waveform change due to chrom Detection of, and compensation for, waveform change due to chrom

1998-03-06

1999-12-07

Font, Frank G.

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359125, 356 731, H04J 1402, G01N 2100

Patent

active

059992891

ABSTRACT:
Waveform degradation due to chromatic dispersion of an optical fiber is detected and compensated for. A waveform detector detects a change in waveform, based on the ratio between the powers of a plurality of frequency components or on peak or duty detection, and the frequency bandwidth of an equalizing amplifier or the chromatic dispersion of an optical fiber is controlled based on the result of the detection.

REFERENCES:
patent: 5406368 (1995-04-01), Horiuchi et al.
patent: 5870184 (1999-02-01), Furuhasi
patent: 5877881 (1999-03-01), Miyauchi et al.
patent: 5880824 (1999-03-01), Uchiyama et al.

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