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Optica Publishing Group
  • Optical Fiber Communications Conference
  • OSA Trends in Optics and Photonics (Optica Publishing Group, 2002),
  • paper ThFF4

Long-Haul 40 Gb/s Dispersion-Managed Soliton Transmission Using Distributed Raman Amplification

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Abstract

Distributed Raman amplification has been used to replace erbium amplifiers (EDFAs) in 40 Gb/s long-haul and DWDM system demonstrations to lower the signal power while maintaining overall detected signal-to-noise ratio.1,2 This reduces the nonlinear effects and as a result enhances overall performance. In a dispersion-managed soliton system the location of lumped erbium doped fiber amplifiers (EDFAs) in a dispersion map can adversely affect system performance. The placement of the lumped amplification can cause excessive pulse stretching which leads to strong intra-channel cross phase modulation at high data rates.3,4

© 2002 Optical Society of America

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