Advanced Fibre Core Networks Design and Optimisation

1 Day Course
Code PWL091

Book Now - 2 Delivery Methods Available:

Classroom Virtual Classroom Private Group - Virtual Self-Paced Online


This is a one-day workshop on state-of-the-art fibre optic systems.


  • Describe the Characteristics of ITU series standard DWDM Fiber systems
  • Appreciate the fundamentals of optical modulation systems used
  • Compare and contrast Raman Amplifier systems that can be used
  • Identify the loss and reflectance characteristic requirements for high optical amplification systems

Target Audience

Sales engineers and other roles requiring a technical review of the latest advances in fibre networks.


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Optical Network Systems DWDM Wavelengths (8 topics)

  • Evolution of modulated coherent fiber systems
  • Types of Fiber
  • Characteristics of a G.652 single-mode optical fiber cable
  • Characteristics of a G.654 cut-off shifted single-mode optical fiber and cable
  • Characteristics of a G.657 bending-loss insensitive single-mode optical fiber
  • Comparison of Standard fiber cables
  • Ultra-High-Density Ribbon Cables: 1728, 3465
  • Splicing and fiber care needs to keep losses down

Optical Modulation Systems (9 topics)

  • G.694 50 GHz spacing
  • Spectral Efficiency
  • ITU G694.1 flexible grid pattern
  • How Transmission Modulation Works
  • Phase Modulation
  • Amplitude Modulation
  • Quadrature Amplitude Modulation (QAM)
  • Polarity Modulation
  • Comparison between modulation systems and efficiency

Optical Amplifier Systems (8 topics)

  • Amplification for long distance systems
  • How Raman fiber amplifiers work
  • Polarization-Dependent Booster Optical Amplifiers (BOAs)
  • Polarization-Independent Booster Optical Amplifiers (BOAs)
  • Core-pumped erbium-doped Raman fiber amplifiers (EDFAs)
  • Amplifier Operating Bands: C Band, E Band, L Band, O Band
  • Launch Fiber loss and reflectance requirements for EDFA systems
  • Comparison between example amplifier products


Potential students should have a good understanding of fibre & optical networks.

Additional Learning

The courses below may help you meet the knowledge level required to take this course.

What Our Customers Say

The training was delivered with a high level of expertise and excellence. Instructor was highly knowledgeable.”

Technical Trainer, Aviat Networks

Overall the course was really good, the trainer really understood the material and was very approachable.”

Customer Training Manager, Aviat Networks

Excellent course, informative and well-paced.”

CSE, Cisco

Course was very well outlined. Topics were great and bridged many gaps.”

System Engineer, Cable & Wireless

An excellent intro to video encoding & MPEG transport streams - I would definitely recommend it.”

Broadcast Engineer, Cisco

Definitely an excellent intro. Left me interested in learning more.”

Broadcast Engineer, Eircom

Excellent training course with real examples and practical classroom demonstrations.”

Transport Designer, Orange

Instructor knowledge and experience was excellent.”

Solutions Engineer, Akamai

Excellent course, very clear and well organised. Course content delivery was very good.”

Assistant Engineer, Dhiraagu

Very informative and appropriate.”

Network Support Technician, BT

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