SMT
Table of Contents

Table of Contents

There are 5 chapters.

Introduction Define the term bandwidth.

  • Identify the factors behind the growing demand for bandwidth.

  • Classify networks and sub-networks according to transmission distance and bandwidth requirements.

  • Describe the key features of first-generation fiber-optic networks.

  • Describe the key features of second-generation fiber-optic networks.

  • Describe the key features of third-generation fiber-optic networks.

  • Summary
The Optical Fiber Channel
  • Describe the basic structure of optical fiber.

  • Describe the principle of Total Internal Reflection (TIR).

  • Describe waveguiding and its importance to optical networks.

  • Define mode

  • Identify the two categories of optical fiber and their defining characteristics.

  • Identify how attenuation is measured in optical fiber networks.

  • Identify intrinsic effects that cause attenuation in optical fiber.

  • Describe how Rayleigh Scattering causes attenuation in optical fiber.

  • Describe how waveguide imperfections cause attenuation in optical fiber.

  • Describe how the power loss graph may be used to estimate the capacity of the optical fiber channel.

  • Define dispersion

  • Explain how dispersion is quantified

  • Describe the effects of dispersion

  • List three causes of dispersion in optical fiber.

  • Describe modal dispersion

  • Describe material dispersion

  • Describe waveguide dispersion

  • Explain how dispersion can be controlled.

  • Summary Fiber

Fiber Optic Transmission Links
  • List the key components of a 1st Generation optical link and describe their function.

  • Describe the basic structure and function of a laser in an optical network.

  • Describe the construction of the semiconductor laser.

  • Explain how lasers generate light.

  • Describe the effect of temperature on the performance of lasers.

  • Explain the difference between MLM and SLM lasers

  • Describe the basic properties of MLM lasers.

  • Describe the basic properties of SLM lasers.

  • Describe two common methods for achieving single longitudinal mode lazing.

  • Explain the purpose of modulation.

  • Outline the basic principle of IMDD modulation.

  • Describe modulation bandwidth

  • Define "chirp" and explain its significance.

  • Describe the functions of an external modulator

  • Describe the basic function of the electro-absorption modulator

  • Describe the basic function of the Mach-Zehnder interferometer

  • Explain how the receiver converts optical pulses to electronic signals

  • Identify and describe two commonly used types of photodetector

  • Describe how the behaviors of optical fiber and transmitter/receiver components combine to achieve a particular performance level.

  • Summary

Dense Wavelength Division Multiplexing and Optical Amplifiers
  • Describe what is meant by optical amplification

  • Distinguish between all-optical and electronic amplification and explain the advantages of optical amplification

  • Explain the role and placement of optical amplifiers in fiber-optic networks

  • Explain the key specifications of an optical amplifier · Explain the operation of the erbium-doped fiber amplifier (EDFA)

  • Explain the concept and realization of gain flatness in EDFAs

  • Explain available EDFA types and features

  • Explain semiconductor optical amplifiers

  • Explain Raman amplifiers

  • Summarize state-of-the-art optical amplifier capabilities

  • Explain wavelength multiplexing and demultiplexing

  • Explain trade-offs in the choice of channel separation

  • Explain the operation of gratings in WDM systems

  • Explain the operation of the AWG - Summarize the key points about Amplifiers and WDM

Connection /Packet-Oriented All-Optical Networks
  • Describe the prospects for growth in network bandwidth

  • Describe the growth in all-optical network functionality

  • Describe the need for packet-switched optical networks

  • Describe the progress of fiber optics toward the individual user

  • Summarize the main ideas of the course



SMT