Optical transmission system

Details Optical transmission system Optical transmission system

1996-10-17

1999-03-09

Mosowitz, Nelson

Optical: systems and elements

Optical amplifier

Optical fiber

359161, 359173, H04B 1012, H04B 1018, G02B 610

Patent

active

058808760

ABSTRACT:
An optical transmission system in which influences of worsening of the waveform by SPM are cancelled by setting an amount of compensation of a dispersion compensator at about 50% of a total amount of dispersion of an optical fiber transmission line so that received waveform is almost not varied, even if light intensity is varied. In the case where a plurality of dispersion compensators are used, the number of compensators is optimized by setting arrangement interval in the neighborhood of a receiving end at a small value. Further, in a transmission line, in which amounts of dispersion of optical fibers have positive and negative fluctuations, the smallest transmission distance of a transmission system is increased by effecting dispersion compensation so that an expected value of the total amount of dispersion of the transmission line is abnormal dispersion.

REFERENCES:
patent: 5587830 (1996-12-01), Chraplyvy et al.
Henmi et al, IEEE Photonics Technology Letters, vol. 5, #11, Nov. 1993 (abst. and herewith).
"Nonlinear Fiber Optics", Academic Press, 1992, (ISBN 0-12-045140-9), pp. 75-91 (see Specification p. 2).
Technical Reports of Institute of Electronics, Information and Communication Engineers (Japan) OCS 92-52, by Kikuchi, et al., Electronic Communication Information Society (1992), pp. 69-74 (see Specification p. 2).

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