Open AccessAll-optical reservoir computer based on saturation of absorption
Author(s) -
Antoine Dejonckheere,
François Duport,
Anteo Smerieri,
Fang Li,
JeanLouis Oudar,
Marc Haelterman,
Serge Massar
Publication year - 2014
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.22.010868
Subject(s) - reservoir computing , optical computing , computer science , computation , exploit , ultrashort pulse , nonlinear system , optical amplifier , electronics , optics , electronic engineering , physics , laser , electrical engineering , artificial intelligence , engineering , algorithm , computer security , quantum mechanics , recurrent neural network , artificial neural network
Reservoir computing is a new bio-inspired computation paradigm. It exploits a dynamical system driven by a time-dependent input to carry out computation. For efficient information processing, only a few parameters of the reservoir needs to be tuned, which makes it a promising framework for hardware implementation. Recently, electronic, opto-electronic and all-optical experimental reservoir computers were reported. In those implementations, the nonlinear response of the reservoir is provided by active devices such as optoelectronic modulators or optical amplifiers. By contrast, we propose here the first reservoir computer based on a fully passive nonlinearity, namely the saturable absorption of a semiconductor mirror. Our experimental setup constitutes an important step towards the development of ultrafast low-consumption analog computers.