Test and measurement

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Testing times

As data rates increase across fibre networks, optical loss budgets are being driven down - attenuation through the system must be lower than ever because there is less tolerance for overall loss of light.

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CableLabs is spearheading efforts to develop a proposal that uses coherent optics to dramatically boost the capacity of hybrid fibre coaxial networks, reports Andy Extance

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Systems vendors are using intelligent software to squeeze more performance from optical networks. Pauline Rigby reports on developments at OFC 2017