Dispersion-shifted fibers for very long links

Transmission of information over very long distances suffer from fiber dispersion and nonlinearities. Dispersion can be avoided by using conventional dispersion-shifted fibers, but with these fibers, nonlinearities still cause much signal degradation. In order to minimize the effects of both dispers...

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Bibliographic Details
Published inProceedings IEEE SOUTHEASTCON '97. 'Engineering the New Century' pp. 287 - 289
Main Authors Hattori, H.T., Safaai-Jazi, A.
Format Conference Proceeding
LanguageEnglish
Published IEEE 1997
Subjects
Degradation
Dispersion
Equations
Erbium-doped fiber amplifier
Fiber nonlinear optics
Optical fiber amplifiers
Propagation constant
Refractive index
Semiconductor optical amplifiers
Stimulated emission
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Summary:Transmission of information over very long distances suffer from fiber dispersion and nonlinearities. Dispersion can be avoided by using conventional dispersion-shifted fibers, but with these fibers, nonlinearities still cause much signal degradation. In order to minimize the effects of both dispersion and nonlinearities in long-haul links, new dispersion-shifted fibers are proposed which provide effective areas considerably larger than those in conventional dispersion-shifted fibers. By increasing the effective area, the power density inside the fiber and hence the harmful effects of nonlinearities are reduced. The transmission properties of the proposed fibers, including dispersion characteristics, cutoff wavelength and effective area are investigated.
ISBN:0780338448
9780780338449
DOI:10.1109/SECON.1997.598693