Lightwave Logic Inc (LWLG)

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How silicon photonics technology can address the networking bandwidth demand in cloud datacenters and AI/ML applications
17 April 2023

In this interview, Joris Van Campenhout, fellow and director of the Optical I/O program at imec, outlines how imec and its partners address the networking bandwidth demand in both cloud datacenters and artificial intelligence/machine learning (AI/ML) applications.

For cloud datacenter networks, scaling to 1.6T pluggable optics drives the development of optical components with increasing baud rates.

However, for AI/ML systems, stringent requirements for bandwidth density, power consumption and latency will require a different, more disruptive approach.

For lane rates at 400Gbps, the SiPho toolbox needs a major upgrade. Especially on the transmission side, modulators with bandwidth beyond 100GHz and sufficiently low optical losses are very hard to achieve in Si or Ge, which necessitates the introduction of “exotic” electro-optic materials such as LiNbO3, BaTiO3 or chromophore polymers.

https://www.imec-int.com/en/articles/how-silicon-photonics-technology-can-address-networking-bandwidth-demand-cloud-datacenter

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