Performance Improvement of Optical Reservoir Computing Based on Complex Transient Dynamics of a Laser with Time-Delayed Feedback

Abstract

We overview the techniques for improving the performance of reservoir computing (RC) using complex laser dynamics and introduce two schemes: a mutual coupling system and a chaos mask system. We use two mutually coupled optoelectronic oscillators as a reservoir in the RC based on the mutual coupling system. We also introduce a chaos mask signal for preprocessing input signals in the RC based on a semiconductor laser with optical feedback and injection. The RC performance is evaluated by a chaotic time-series prediction task. We numerically show that these two schemes improve the performance of the time-series prediction task.