Photonics-on-silicon for telecoms switching systems

Photonics-on-silicon components could dramatically reduce the form factor of the data switches used in telecommunications switching centers. Leti and the other partners in the Celtic-Plus SASER (Safe and Secure European Routing) project, which will run until the end of 2015, are looking at how.

The project consortium presented a demonstrator made up of two 16-wavelength demultiplexers, 32 optoelectronic attenuators, 2 multiplexers, and 2 input/output couplers at the ECOC conference. During tests conducted by Alcatel-Lucent, the data packets were transmitted at speeds up to 80 Gbps with low error rates.

A second demonstrator with more effective attenuators and new couplers will soon be available.

Contact: jean-marc.fedeli@cea.fr

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