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Communications Revolution |
Communications Networks |
Optical Fibres |
Photonic Devices |
Future of Communications | Credits |
The global network of communication networks is probably one of the largest endeavour taken on by societies to provide an infrastructure necessary for people to communicate between each other across the globe and in space!
We have seen in this section that there is not one technology but several technologies coming together to build this infrastructure.

Communications Network
© NTT Digital Museum
Used by permission
As our demand on communications rapidly increases, more and more technologies become obsolete, or inadequate, with our present technological knowledge.
The breakthrough created by the manufacture of low-loss optical fibres and of semiconductor lasers has given birth to a new discipline: photonics or the science of mastering light.