Effect of axial refractive-index dip on zero total dispersion wavelength in single-mode fibres |
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| Authors: | Pal B.P. Kumar A. Ghatak A.K. |
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| Affiliation: | Indian Institute of Technology, Department of Physics, New Delhi, India; |
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| Abstract: | The effect of the axial refractive-index dip, which is a characteristic of c.v.d. high-silica optical fibres, on the dispersion characteristics of single-mode fibres is studied. In particular, the effect of a Gaussian dip on zero total dispersion wavelength ?0 in a single-mode fibre is investigated. The dip is found, in general, to shift ?0 to a wavelength shorter than that in the absence of the dip for the same fibre. |
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