Optical transmission system

Details Optical transmission system Optical transmission system

1994-08-30

1997-02-25

Pascal, Leslie

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359173, H04B 1018

Patent

active

056064454

ABSTRACT:
In an optical transmission system, SPM influences on the degradation of wave forms are canceled by setting an amount of compensation of a dispersion compensator at about 50% of the total amount of dispersion of an optical fiber transmission line so that a received wave form is substantially not varied, even if light intensity is varied. When a plurality of dispersion compensator are used, the number of compensators is optimized by setting the arrangement interval in the vicinity of the receiving end to 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: 5392147 (1995-02-01), Kaede
patent: 5430568 (1995-07-01), Little
"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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