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Sci Rep. 2016 Mar 3;6:22381. doi: 10.1038/srep22381.

Fully analogue photonic reservoir computer.

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OPERA-Photonique, CP 194/5, Université Libre de Bruxelles (U.L.B.), Avenue Adolphe Buyl 87, 1050 Brussels, Belgium.
Laboratoire d'Information Quantique, CP 224, Université Libre de Bruxelles (U.L.B.), Boulevard du Triomphe, 1050 Brussels, Belgium.


Introduced a decade ago, reservoir computing is an efficient approach for signal processing. State of the art capabilities have already been demonstrated with both computer simulations and physical implementations. If photonic reservoir computing appears to be promising a solution for ultrafast nontrivial computing, all the implementations presented up to now require digital pre or post processing, which prevents them from exploiting their full potential, in particular in terms of processing speed. We address here the possibility to get rid simultaneously of both digital pre and post processing. The standalone fully analogue reservoir computer resulting from our endeavour is compared to previous experiments and only exhibits rather limited degradation of performances. Our experiment constitutes a proof of concept for standalone physical reservoir computers.

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