optical network link budgets
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Optical Network Link Budgets . EE 548 Spring 2005. Reference Model. Link types. Link budget considerations. Laser power Laser line width Link losses Bit rate Detector sensitivity. Impairments . Connector and splice losses Fiber attenuation Polarization mode dispersion (PMD)

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Presentation Transcript
link budget considerations
Link budget considerations
  • Laser power
  • Laser line width
  • Link losses
  • Bit rate
  • Detector sensitivity
impairments
Impairments
  • Connector and splice losses
  • Fiber attenuation
  • Polarization mode dispersion (PMD)
  • Chromatic dispersion
  • Filter losses
  • Splitter losses
  • Isolator losses
long haul versus ultra long haul wdm systems
Long haul (LH)

Amplifier spacing: 80-120 km

Regenerator spacing: 400-600 km

Capacity: 80x10Gb/s

Cost: $$

Ultra long haul (ULH)

Amplifier spacing: 80-120 km

Regenerator spacing: 2500-4000 km

Capacity: 56x10Gb/s

Cost: $$$

Long haul versus ultra long haul WDM systems
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