{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,26]],"date-time":"2026-03-26T10:07:23Z","timestamp":1774519643461,"version":"3.50.1"},"reference-count":38,"publisher":"MDPI AG","issue":"10","license":[{"start":{"date-parts":[[2018,10,15]],"date-time":"2018-10-15T00:00:00Z","timestamp":1539561600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100002850","name":"Fondo Nacional de Desarrollo Cient\u00edfico y Tecnol\u00f3gico","doi-asserted-by":"publisher","award":["1180903"],"award-info":[{"award-number":["1180903"]}],"id":[{"id":"10.13039\/501100002850","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Labex Cempi","award":["ANR-11-LABX-0007"],"award-info":[{"award-number":["ANR-11-LABX-0007"]}]},{"DOI":"10.13039\/501100004794","name":"CNRS","doi-asserted-by":"publisher","award":["Renatech"],"award-info":[{"award-number":["Renatech"]}],"id":[{"id":"10.13039\/501100004794","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Entropy"],"abstract":"<jats:p>Out-of-equilibrium systems exhibit complex spatiotemporal behaviors when they present a secondary bifurcation to an oscillatory instability. Here, we investigate the complex dynamics shown by a pulsing regime in an extended, one-dimensional semiconductor microcavity laser whose cavity is composed by integrated gain and saturable absorber media. This system is known to give rise experimentally and theoretically to extreme events characterized by rare and high amplitude optical pulses following the onset of spatiotemporal chaos. Based on a theoretical model, we reveal a dynamical behavior characterized by the chaotic alternation of phase and amplitude turbulence. The highest amplitude pulses, i.e., the extreme events, are observed in the phase turbulence zones. This chaotic alternation behavior between different turbulent regimes is at contrast to what is usually observed in a generic amplitude equation model such as the Ginzburg\u2013Landau model. Hence, these regimes provide some insight into the poorly known properties of the complex spatiotemporal dynamics exhibited by secondary instabilities of an Andronov\u2013Hopf bifurcation.<\/jats:p>","DOI":"10.3390\/e20100789","type":"journal-article","created":{"date-parts":[[2018,10,16]],"date-time":"2018-10-16T02:52:53Z","timestamp":1539658373000},"page":"789","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Alternation of Defects and Phase Turbulence Induces Extreme Events in an Extended Microcavity Laser"],"prefix":"10.3390","volume":"20","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0092-7829","authenticated-orcid":false,"given":"Sylvain","family":"Barbay","sequence":"first","affiliation":[{"name":"Centre de Nanosciences et de Nanotechnologies, CNRS, Universit\u00e9 Paris-Sud, Universit\u00e9 Paris-Saclay, Avenue de la Vauve, 91120 Palaiseau, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Saliya","family":"Coulibaly","sequence":"additional","affiliation":[{"name":"Universit\u00e9 de Lille, CNRS, UMR 8523-PhLAM\u2014Physique des Lasers Atomes et Mol\u00e9cules, F-59000 Lille, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Marcel G.","family":"Clerc","sequence":"additional","affiliation":[{"name":"Departamento de F\u00edsica and Millennium Institute for Research in Optics, FCFM, Universidad de Chile, Casilla 487-3, 8370456 Santiago, Chile"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2018,10,15]]},"reference":[{"key":"ref_1","unstructured":"Nicolis, G., and Prigogine, I. 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