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Guest Blog

WDM – Getting More Out of Your Fibres, a Guide for Musicians

Optical transmission is like light, as you may know it. Light rays from the sun travel massive distances to reach us, and light bulbs perform a similar function but over much shorter distances. To send data down fibre optic cable, we use lasers to make light. We use different wavelengths (or colours) to be able to reach short distances (up to a few hundred metres) or long distances (up to 100s of kms). By switching the laser on and off, we can transfer 1s and 0s (data bits) from one end of a fibre to the other, and very quickly too.

Etisalat and Huawei in first compact OXC trial

Nokia sets optical transmission capacity record