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PHotonic REServoir COmputing


New computing paradigms are required to feed the next revolution in Information Technology. Machines need to be invented that can learn, but also handle vast amount of data. In order to achieve this goal and still reduce the energy footprint of Information and Communication Technology, fundamental hardware innovations must be done.

Reservoir computing (RC) is one of the concepts that has proven its efficiency to perform tasks where traditional approaches fail. It is also one of the rare concepts of an efficient hardware realization of cognitive computing into a specific, silicon-based technology. Small RC systems have been demonstrated using optical fibers and bulk components. In 2014, optical RC networks based integrated photonic circuits were demonstrated. The PHRESCO project aims to bring photonic reservoir computing to the next level of maturity. A new RC chip will be co-designed, including electronic and photonic component that will enable major breakthrough in the field.

IHP's Contribution

IHP develops the photonic integrated circuits base technology that is used for PHRESCO integration developments. This involves heterogeneous integration of new materials such as barium titanate and III-V on 200mm wafers. IHP contributes with technology development to enable III-V bonding and backend integration for the demonstrator devices.



Project Partners

  • KU Leuven
  • IBM
  • U Gent
  • CentraleSupélec, Metz
The building and the infrastructure of the IHP were funded by the European Regional Development Fund of the European Union, funds of the Federal Government and also funds of the Federal State of Brandenburg.