Fabry-Perot Lasers as Enablers for Parallel Reservoir Computing

We introduce the use of Fabry-Perot (FP) lasers as potential neuromorphic\ncomputing machines with parallel processing capabilities. With the use of\noptical injection between a master FP laser and a slave FP laser under feedback\nwe demonstrate the potential for scaling up the processing power at\nlongitudinal mode granularity and perform real-time processing for signal\nequalization in 25 Gbaud intensity modulation direct detection optical\ncommunication systems. We demonstrate the improvement of classification\nperformance as the number of nodes increases and the capability of simultaneous\nprocessing of arbitrary data streams. Extensive numerical simulations show that\nup to 8 longitudinal modes in typical Fabry-Perot lasers can be leveraged so as\nto enhance classification performance.\n