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
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