Optical EngineeringDigital chaotic output from an optically processing element
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Digital chaotic behavior in an optically processing element is reported. It is obtained as the result of processing two fixed trains of bits. The process is performed with an optically programmable logic gate, previously reported as a possible main block for optical computing. Outputs for some specific conditions of the circuit are given. Digital chaos is obtained using a feedback configuration. Period doublings in a Feigenbaum-like scenario are obtained. A new method to characterize this type of digital chaos is reported.