Neuromorphic dynamics with optically injected quantum dot lasers

Michael Dillane, Joshua Robertson, Matthew Peters, Antonio Hurtado and Bryan Kelleher ()
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Michael Dillane: University College Cork
Joshua Robertson: Institute of Photonics, SUPA Department of Physics, University of Strathclyde, TIC Centre
Matthew Peters: University College Cork
Antonio Hurtado: Institute of Photonics, SUPA Department of Physics, University of Strathclyde, TIC Centre
Bryan Kelleher: University College Cork

The European Physical Journal B: Condensed Matter and Complex Systems, 2019, vol. 92, issue 9, 1-8

Abstract: Abstract Optically injected quantum dot lasers display many unique nonlinear phenomena and are in particular, excellent testbeds for different forms of excitability. We analyse the recent discovery of Type II excitability in such devices. An optothermal instability leads to the phenomenon and while an underlying Hopf bifurcation is ultimately responsible for the observation, intriguingly there are two potential routes: One via a subcritical bifurcation and an associated bistable region and the other via a supercritical bifurcation and an associated canard explosion. Graphical abstract

Date: 2019
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DOI: 10.1140/epjb/e2019-90733-6

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