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Computing using pulse collisions in lattices of excitable microlasers

Author

Listed:
  • Soun, L.
  • Alfaro-Bittner, K.
  • Clerc, M.G.
  • Barbay, S.

Abstract

Coupled excitable microlasers have been shown theoretically to sustain saltatory propagation of solitonic-like excitations and hold good promise for fabrication of advanced and integrated photonic processing circuits. By studying a model for evanescently coupled excitable microlaser lattices with integrated saturable absorber, we investigate how pulse interaction can lead to non trivial responses. In particular, we show in a three-port system that depending on the system parameters and geometry, two counter-propagating pulses from two input ports can collide and exit or not in a third port, thus giving rise to the not-linearly separable XOR response function and to universal logic gates.

Suggested Citation

  • Soun, L. & Alfaro-Bittner, K. & Clerc, M.G. & Barbay, S., 2022. "Computing using pulse collisions in lattices of excitable microlasers," Chaos, Solitons & Fractals, Elsevier, vol. 164(C).
    • Handle: RePEc:eee:chsofr:v:164:y:2022:i:c:s0960077922007342
    DOI: 10.1016/j.chaos.2022.112537
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    References listed on IDEAS

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    1. Marco Lamperti & Auro M. Perego, 2019. "Collective dynamics of evanescently coupled excitable lasers with saturable absorber," The European Physical Journal B: Condensed Matter and Complex Systems, Springer;EDP Sciences, vol. 92(6), pages 1-6, June.
    2. Motoike, Ikuko N. & Adamatzky, Andrew, 2005. "Three-valued logic gates in reaction–diffusion excitable media," Chaos, Solitons & Fractals, Elsevier, vol. 24(1), pages 107-114.
    3. De Lacy Costello, Benjamin & Adamatzky, Andrew, 2005. "Experimental implementation of collision-based gates in Belousov–Zhabotinsky medium," Chaos, Solitons & Fractals, Elsevier, vol. 25(3), pages 535-544.
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