Abstract
We investigate the dynamics of optoelectronic oscillator (OEO) systems based on resonant tunneling diode photodetector (RTD-PD) and laser diode hybrid integrated circuits. We demonstrate that RTD-based OEOs can be noise-activated in either monostable or bistable operating conditions, providing a rich variety of signal outputs—spiking, square pulses, bursting—and behaviours—stochastic and coherence resonances—that are similar to that of biological systems such as neurons. The potential for fully monolithic integration of our OEO confers them a great potential in novel neuromorphic optoelectronic circuits for signal processing tasks including re-timing and re-shaping of pulsed signals exploiting either the monostable or the bistable operating conditions.
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Acknowledgments
J.J. acknowledges financial support from the Ramon y Cajal fellowship. B.R. thanks FCT Portugal for a Postdoctoral Fellowship (Grant SFRH/BPD/84466/2012). J.J. and S.B. acknowledge financial support from project RANGER (TEC2012-38864-C03-01) and from the Direcció General de Recerca del Govern de les Illes Balears and the FEDER funds.
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Romeira, B., Avó, R., Javaloyes, J. et al. Stochastic induced dynamics in neuromorphic optoelectronic oscillators. Opt Quant Electron 46, 1391–1396 (2014). https://doi.org/10.1007/s11082-014-9905-3
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DOI: https://doi.org/10.1007/s11082-014-9905-3