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Digital Communication Networks
Learning outcomes: -
how to convert between wavelengths and frequencies
describe the main differences between lasers and LEDs as used as light sources for optical-fibre communications systems
describe the difference between direct and external modulation of a laser
describe the difference in structure and performance of step-index multimode, graded-index multimode and single-mode optical fibres
draw up a power budget for an optical-fibre communication link and use it to estimate the maximum link distance.
Resource details
| Contributed by: | Digital Academy |
| Authored by: |
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| Licence: | More information on licences |
| Last updated: | 22 August 2024 |
| First contributed: | 01 July 2022 |
| Audience access level: | Full user |
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