A digital repeater can recover the symbol sequence and generate new pulses with restored amplitude, shape and timing. This resets waveform degradation between spans, provided decisions remain reliable. An amplifier alone increases the broadened pulse amplitude and also adds noise; it does not undo group velocity dispersion. optical dispersion compensation can instead reverse an accumulated frequency-dependent delay within its design bandwidth.

Ancestors (11)

  1. Dispersion-limited digital-fibre link length
  2. Group velocity dispersion
  3. Group velocity
  4. Phase velocity and group velocity
  5. Dispersion relation
  6. Wave equation
  7. Partial differential equation
  8. Analysis
  9. Area of mathematics
  10. Mathematics
  11. Home

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