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The technology for length-varying fibre drawing from standard preforms has been worked out. It allows fibres with the necessary length dependence of the chromatic dispersion to be fabricated. Fibres with varying dispersion can have a lot of applications in soliton propagation control. Such fibres allow one to realize both the regime of effective amplification and the effective compression of optical solitons. This technology is based on a digital control system and can be used in the conditions of a standard drawing installation.
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Bogatyrjov et al. (1995) studied this question.
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