Optical information processing using dual state quantum dot lasers: complexity through simplicity
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 …
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
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 …
exist as independently controllable optical intensity pulses either in the longitudinal or …
Solitary and coupled semiconductor ring lasers as optical spiking neurons
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 …
semiconductor ring laser (SRL) using optical trigger pulses. We show that the phase …
Control of excitable pulses in an injection-locked semiconductor laser
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 …
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
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 …
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
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 …
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 **ang, 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 …
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
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 …
microscopic semiconductor theory to describe the quantum-dot (QD) laser dynamics under …
Optically injected quantum-dot lasers
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 …
experimentally and theoretically. In particular, the nature of the locking boundaries is …
Refractory period of an excitable semiconductor laser with optical injection
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 …
parameters are set close to the unlocking transition. Here we study experimentally the …