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  • Conference on Lasers and Electro-Optics
  • OSA Technical Digest (Optica Publishing Group, 1995),
  • paper CTuI10

Reduction of chirping penalty in directly modulated multigigabit transmission systems by spectral filtering

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Repeaterless transmission of high-speed signals over long distances has attracted considerable attention. Recently, repeaterless transmission of an externally modulated 2.5-Gbit/s signal over 410 km of non-dispersion shifted fiber (NDSF) has been demonstrated by introducing remotely pumped fiber amplifiers.1 However, for directly modulated 2.5-Gbit/s signals, wavelength chirping brings about a considerable amount of power penalty. Thus dispersion compensation techniques are required for transmission of over 200 km NDSF.2,3

© 1995 Optical Society of America

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