Experimental reservoir computing with diffractively coupled VCSELs

• DOI: 10.1364/ol.518946
• Publication Date: 2024-03-19T12:00:55Z
• Authors: Moritz Pflüger; Daniel Brunner; Tobias Heuser; James A. Lott; Stephan Reitzenstein; Ingo Fischer
• Keywords: Reservoir computing

We present experiments on reservoir computing (RC) using a network of vertical-cavity surface-emitting lasers (VCSELs) that we diffractively couple via an external cavity. Our optical computer consists 24 physical VCSEL nodes. evaluate the system's memory and solve 2-bit XOR task 3-bit header recognition (HR) with bit error ratios (BERs) below 1\,\% digital-to-analog conversion (DAC) root-mean-square (RMSE) 0.067.