CWDM & DWDM Systems

3 Day Course

Book Now - 1 Delivery Method Available:

Classroom Virtual Classroom Private Group - Virtual Self-Paced Online


This 3-day courses is intended for Managers and engineers in telecoms companies keen to keep up to date with the fast moving developments in fibre optics in the core network. Also other delegates from Sales and marketing personnel for telecoms companies, Product managers and marketing personnel for optical fibre component manufacturers, and Contractors to telecoms companies who must be aware of industry developments, can attend.


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Dispersion Basics (1 topic)

  • Principles & compensation of chromatic dispersion & PMD

Chromatic Dispersion (1 topic)

  • Principles & specifications

Spectral Attenuation Testing (3 topics)

  • Measurement principles
  • Problems
  • Procedures & calibration

Introduction (1 topic)

  • Telecommunications past, present & future

Light & Optical Fibre Basics (3 topics)

  • SI units
  • Electromagnetic spectrum
  • Light propagation in fibres

Optical Fibre Design (3 topics)

  • Physical structure
  • Refractive index profile
  • Mode field diameter

Signals & Communication (2 topics)

  • Transmission principles
  • Signal modulation

Multiplexing basics (5 topics)

  • Principles
  • Amplifiers
  • TDM
  • WDM

CWDM Basics (2 topics)

  • Advantages of CWDM
  • G656 fibres and topologies

CWDM & DWDM Networks (4 topics)

  • The All-Optical Network
  • Requirements
  • Topologies
  • The future

Photonics Components (7 topics)

  • Basic components
  • DWDMs & interleavers
  • Add/drop multiplexers
  • Amplifiers
  • Transmitters & modulators
  • Wavelength converters
  • MEMS

Attenuation & Loss (3 topics)

  • Principles
  • Transmission windows
  • Fibre amplifiers


Basic knowledge of telecoms

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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