Optical information processing using dual state quantum dot lasers: complexity through simplicity

B Kelleher, M Dillane, EA Viktorov - Light: Science & Applications, 2021 - nature.com
We review results on the optical injection of dual state InAs quantum dot-based
semiconductor lasers. The two states in question are the so-called ground state and first …

Topological solitons as addressable phase bits in a driven laser

B Garbin, J Javaloyes, G Tissoni, S Barland - Nature communications, 2015 - nature.com
Optical localized states are usually defined as self-localized bistable packets of light, which
exist as independently controllable optical intensity pulses either in the longitudinal or …

Solitary and coupled semiconductor ring lasers as optical spiking neurons

W Coomans, L Gelens, S Beri, J Danckaert… - Physical Review E …, 2011 - APS
We theoretically investigate the possibility of generating pulses in an excitable (asymmetric)
semiconductor ring laser (SRL) using optical trigger pulses. We show that the phase …

Control of excitable pulses in an injection-locked semiconductor laser

M Turconi, B Garbin, M Feyereisen, M Giudici… - Physical Review E …, 2013 - APS
In spite of numerous theoretical and experimental reports of excitability in lasers with
injected signal based on the locking-unlocking transition, the response of the system to …

Excitability in optically injected semiconductor lasers: Contrasting quantum-well-and quantum-dot-based devices

B Kelleher, C Bonatto, G Huyet, SP Hegarty - Physical Review E—Statistical …, 2011 - APS
Excitability is a generic prediction for an optically injected semiconductor laser. However, the
details of the phenomenon differ depending on the type of device in question. For quantum …

Failure of the factor in describing dynamical instabilities and chaos in quantum-dot lasers

B Lingnau, K Lüdge, WW Chow, E Schöll - Physical Review E—Statistical …, 2012 - APS
We show that the long-established concept of a linewidth-enhancement factor α to describe
carrier-induced refractive index changes in semiconductor lasers breaks down in quantum …

Evolution of neuron-like spiking response and spike-based all-optical XOR operation in a DFB with saturable absorber

Y Zhang, S Xiang, Z Song, X Guo… - Journal of Lightwave …, 2023 - ieeexplore.ieee.org
Spiking neural networks (SNNs) communicate via discrete spikes, necessitating the
conversion between spike signals and real-valued signals for optimal encoding efficiency …

Feedback and injection locking instabilities in quantum-dot lasers: a microscopically based bifurcation analysis

B Lingnau, WW Chow, E Schöll… - New Journal of …, 2013 - iopscience.iop.org
We employ a nonequilibrium energy balance and carrier rate equation model based on
microscopic semiconductor theory to describe the quantum-dot (QD) laser dynamics under …

Optically injected quantum-dot lasers

T Erneux, EA Viktorov, B Kelleher, D Goulding… - Optics letters, 2010 - opg.optica.org
The response of an optically injected quantum-dot semiconductor laser (SL) is studied both
experimentally and theoretically. In particular, the nature of the locking boundaries is …

Refractory period of an excitable semiconductor laser with optical injection

B Garbin, A Dolcemascolo, F Prati, J Javaloyes… - Physical Review E, 2017 - APS
Injection-locked semiconductor lasers can be brought to a neuronlike excitable regime when
parameters are set close to the unlocking transition. Here we study experimentally the …