Future of Fibre Optic Switches

Stand 466

23rd August 2023

Future developments in large NxM switch arrays, include SMART capabilities such as wavelength routing, and the need to develop compact large arrays for datacentre installations with smaller switches needed for network deployment. Developments in faster switching speeds along with cost reduction are key, cost reductions are necessary for large scale remote switching roll out into the network and PON. There is a need for improved return loss (reduced reflections) performance for narrow linewidth lasers and high-speed modulators intended for future telecommunications. Surface reflections resulting from the light path components within the switch can be AR coated to reduce the effect caused by glass to air interfaces, other options include index matching. These are all undergoing development to meet future network requirements.

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