Optical transmission line

Details Optical transmission line Optical transmission line

1998-05-11

2000-12-05

Palmer, Phan T. H.

Optical waveguides

With optical coupler

Plural

385 31, 385 27, 385122, 385123, 359159, G02B 628

Patent

active

061577545

ABSTRACT:
The present invention relates to an optical transmission line, applicable to Wave Division Multiplexing (WDM) transmission, having a structure for restraining optical transmission characteristics from deteriorating due to each of the occurrence of nonlinear optical phenomena and the wavelength dispersion. This optical transmission line comprises, at least, a first optical fiber having, as characteristics at the predetermined operating wavelength, a first effective area and a first dispersion slope; and a second optical fiber having, as characteristics at the predetermined operating wavelength, a second effective area smaller than the first effective area and a second dispersion slope smaller than the first dispersion slope. In particular, the second optical fiber contributes to suppressing the deterioration in its optical transmission characteristics in the whole optical transmission line.

REFERENCES:
patent: 5191631 (1993-03-01), Rosenberg
patent: 5737460 (1998-04-01), Damen et al.
patent: 5781673 (1998-07-01), Reed et al.

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