Now showing items 1-12 of 12

  • Are the spikes emitted by a semiconductor laser with feedback similar to neuronal spikes? 

    Quintero Quiroz, Carlos Alberto; Amaral Sorrentino, Taciano; Aragoneses, Andrés; Torrent Serra, Maria del Carmen; Masoller Alonso, Cristina (2017)
    Conference report
    Restricted access - publisher's policy
    We study experimentally a semiconductor laser operating in a feedback-induced regime known as low frequency fluctuations (LFFs), in which the laser emits a spiking output that resembles the spikes of biological neurons. ...
  • Collective behavior of chaotic oscillators with environmental coupling 

    Quintero Quiroz, Carlos Alberto; Cosenza, M. G (2015-02-01)
    Article
    Open Access
  • Comparing the dynamics of periodically forced lasers and neurons 

    Tiana Alsina, Jordi; Quintero Quiroz, Carlos Alberto; Masoller Alonso, Cristina (2019-10-21)
    Article
    Open Access
    Neuromorphic photonics is a new paradigm for ultra-fast neuro-inspired optical computing that canrevolutionize information processing and artificial intelligence systems. To implement practicalphotonic neural networks is ...
  • Differentiating resting brain states using ordinal symbolic analysis 

    Quintero Quiroz, Carlos Alberto; Montesano Del Campo, Luis; Pons Rivero, Antonio Javier; Torrent Serra, Maria del Carmen; García Ojalvo, Jordi; Masoller Alonso, Cristina (Institute of Physics (IOP), 2018-10-08)
    Article
    Open Access
    Symbolic methods of analysis are valuable tools for investigating complex time-dependent signals. In particular, the ordinal method defines sequences of symbols according to the ordering in which values appear in a time ...
  • Effects of periodic forcing on the temporally correlated spikes of a semiconductor laser with feedback 

    Amaral Sorrentino, Taciano; Quintero Quiroz, Carlos Alberto; Aragoneses Aguado, Andrés; Torrent Serra, Maria del Carmen; Masoller Alonso, Cristina (2015-03-09)
    Article
    Open Access
    Optical excitable devices that mimic neuronal behavior can be building-blocks of novel, brain-inspired information processing systems. A relevant issue is to understand how such systems represent, via correlated spikes, ...
  • Experimental characterization of the transition to coherence collapse in a semiconductor laser with optical feedback 

    Panozzo, M.; Quintero Quiroz, Carlos Alberto; Tiana Alsina, Jordi; Torrent Serra, Maria del Carmen; Masoller Alonso, Cristina (Institute of Physics (IOP), 2017-11-01)
    Article
    Open Access
    Semiconductor lasers with time-delayed optical feedback display a wide range of dynamical regimes, which have found various practical applications. They also provide excellent testbeds for data analysis tools for characterizing ...
  • Experimental study of modulation waveforms for entraining the spikes emitted by a semiconductor laser with optical feedback 

    Tiana Alsina, Jordi; Quintero Quiroz, Carlos Alberto; Panozzo, M.; Torrent Serra, Maria del Carmen; Masoller Alonso, Cristina (2018-04-02)
    Article
    Open Access
    The entrainment phenomenon, by which an oscillator adjusts its natural rhythm to an external periodic signal, has been observed in many natural systems. Recently, attention has focused on which are the optimal conditions ...
  • Numerical and experimental study of the effects of noise on the permutation entropy 

    Quintero Quiroz, Carlos Alberto; Pigolotti, Simone; Torrent Serra, Maria del Carmen; Masoller Alonso, Cristina (2015-09-02)
    Article
    Open Access
    We analyze the effects of noise on the permutation entropy of dynamical systems. We take as numerical examples the logistic map and the Rössler system. Upon varying the noise strength we find a transition from an ...
  • Quantifying the degree of locking in weakly forced stochastic systems 

    Tiana Alsina, Jordi; Quintero Quiroz, Carlos Alberto; Torrent Serra, Maria del Carmen; Masoller Alonso, Cristina (American Institute of Physics (AIP), 2019-02-12)
    Article
    Open Access
    Controlling an stochastic nonlinear system with a small amplitude signal is a fundamental problem with many practical applications. Quantifying locking is challenging, and current methods, such as spectral or correlation ...
  • Quantitative identification of dynamical transitions in a semiconductor laser with optical feedback 

    Quintero Quiroz, Carlos Alberto; Tiana Alsina, Jordi; Roma, Josep; Torrent Serra, Maria del Carmen; Masoller Alonso, Cristina (Macmillan Publishers, 2016-11-18)
    Article
    Open Access
    Identifying transitions to complex dynamical regimes is a fundamental open problem with many practical applications. Semi- conductor lasers with optical feedback are excellent testbeds for studying such transitions, as ...
  • State space reconstruction of spatially extended systems and of time delayed systems from the time series of a scalar variable 

    Quintero Quiroz, Carlos Alberto; Torrent Serra, Maria del Carmen; Masoller Alonso, Cristina (Institute of Physics (IOP), 2018-07-11)
    Article
    Open Access
    The space-time representation of high-dimensional dynamical systems that have a well defined characteristic time scale has proven to be very useful to deepen the understanding of such systems and to uncover hidden features ...
  • Temporal correlations and dynamical transitions in semiconductor lasers with optical feedback 

    Quintero Quiroz, Carlos Alberto (Universitat Politècnica de Catalunya, 2017-03-16)
    Doctoral thesis
    Open Access
    Optical excitable systems that mimic neuronal behavior have potential to be building-blocks of novel, ultra-fast, neuron-inspired photonic information processing systems. In particular, semiconductor lasers with optical ...