Dense Wavelength Division Multiplexing (DWDM) – (Corporate Only)

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Course Duration: 16 Hours
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This course introduces the basic understanding of Wavelength Division Multiplexing technologies. This course starts with an overview of the optical fiber communication and then the DWDM techniques to send multiple wavelengths. It describes the various elements used in DWDM system and optical transmission networks

Product Description

The candidate attending this course should have basic knowledge of transmission concepts & technologies such as PDH/SDH and optical fiber communication. He should have relevant experience on installation, commissioning of SDH optical multiplexers.

  • Optical Fiber Communication System Overview
  • DWDM Overview
  • DWDM Network
  • Optical Source
  • Optical Detector
  • Optical Amplifier
  • Optical Multiplexer and Demultiplexer
  • Optical Supervisory Channel
  • Overview of OTN technology


  • Understand the basic concepts, principle, and structure of DWDM
  • Explain the basic structures, types and characteristics of optical fibers
  • Know the technical principle of DWDM, Optical Communication and the method to implement its key technologies
  • Explain the Optical Supervisory Channel
  • Understand the advantages of DWDM and its ITU spectrum
  • Describe the technical specifications of DWDM Optical Transmission System

 Optical Fiber Communication System Overview

  • OFC Technology
  • Types of Optical Fiber
  • Dispersion in OFC
  • Test and Measurement Instruments

  DWDM Overview

  • Advantages of WDM
  • CWDM and DWDM concept and their wavelengths
  • Methods of transmission in DWDM
  • Modes of transmission in DWDM

  Optical Source

  • Light Intensity Modulation
  • Types of Optical modulator

  Optical Detector

  • Types of Photo detector

  Optical Amplifier

  • EDFA
  • Raman Fiber Amplifier
  • Regenerator

  Optical Multiplexer and Demultiplexer

  • Types of Multiplexer/Demultiplexer

  Optical Supervisory Channel

  • Requirements of OSC

  Overview of OTN technology

  • OTN Frame structure
  • OTN overheads


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