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Quantifying the synchronization of the spikes emitted by coupled lasers
(Institute of Physics (IOP), 2023-07-01)
Article
Open AccessSynchronization phenomena is ubiquitous in nature, and in spite of having been studied for decades, it still attracts a lot of attention as is still challenging to detect and quantify, directly from the analysis of noisy ... -
Experimental study of spatial and temporal coherence in a laser diode with optical feedback
(Optical Society of American (OSA), 2023-06-19)
Article
Open AccessOptical feedback can reduce the linewidth of a semiconductor laser by several orders of magnitude, but it can also cause line broadening. Although these effects on the temporal coherence of the laser are well known, a good ... -
Inverse designed photonic crystals for spatial filtering
(American Institute of Physics (AIP), 2023-06-13)
Article
Restricted access - publisher's policyZero incidence angle spatial filters of a compact design can be very useful, among others, for intracavity spatial filtering in high-power micro-lasers. Typically, micro-lasers, especially in high-power operation regimes, ... -
Photonic snake states in two-dimensional frequency combs
(Springer Nature, 2023-05-29)
Article
Restricted access - publisher's policyTaming the instabilities inherent to many nonlinear optical phenomena is of paramount importance for modern photonics. In particular, the so-called snake instability is universally known to severely distort localized wave ... -
20 years of ordinal patterns: perspectives and challenges
(Institute of Physics (IOP), 2022-05)
Article
Open AccessIn 2002, in a seminal article, Bandt and Pompe proposed a new methodology for the analysis of complex time series, now known as Ordinal Analysis. The ordinal methodology is based on the computation of symbols (known as ... -
Perspectives on the importance of complex systems in understanding our climate and climate change—The Nobel Prize in Physics 2021
(American Institute of Physics (AIP), 2022-05)
Article
Open AccessThe Nobel Prize in Physics 2021 was awarded to Syukuro Manabe, Klaus Hasselmann, and Giorgio Parisi for their “groundbreaking contributions to our understanding of complex systems,” including major advances in the understanding ... -
Dynamics of a semiconductor laser with feedback and modulation: experiments and model comparison
(Optical Society of American (OSA), 2022-03-14)
Article
Open AccessWe study experimentally and numerically the dynamics of a semiconductor laser near threshold, subject to optical feedback and sinusoidal current modulation. The laser operates in the low frequency fluctuation (LFF) regime ... -
Parameter and coupling estimation in small networks of Izhikevich's neurons
(2023-04-12)
Article
Restricted access - publisher's policyNowadays, experimental techniques allow scientists to have access to large amounts of data. In order to obtain reliable information from the complex systems that produce these data, appropriate analysis tools are needed. ... -
Transverse modes and beam spatial quality in microchip lasers
(American Physical Society, 2023-04-01)
Article
Restricted access - publisher's policyWe analyze the transverse modes in flat-flat mirror microchip-laser resonators, which occur due to the gain guiding and the thermal lensing. We rigorously calculate the transverse-mode functions, their eigenfrequencies, ... -
Harmonic generation from silicon membranes at visible and ultraviolet wavelengths
(2023-01-16)
Article
Open AccessNonlinear silicon photonics offers unique abilities to generate, manipulate and detect optical signals in nano-devices, with applications based on field localization and large third order nonlinearity. However, at the ... -
Spatial permutation entropy distinguishes resting brain states
(Elsevier, 2023-06)
Article
Open AccessWe use ordinal analysis and spatial permutation entropy to distinguish between eyes-open and eyes-closed resting brain states. To do so, we analyze EEG data recorded with 64 electrodes from 109 healthy subjects, under two ... -
Diffusion capacity of single and interconnected networks
(2023-04-18)
Article
Open AccessUnderstanding diffusive processes in networks is a significant challenge in complexity science. Networks possess a diffusive potential that depends on their topological configuration, but diffusion also relies on the process ...
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