Formation of phase soliton complexes in an optically injected semiconductor laser

  • Francois Gustave
  • Cristina Rimoldi
  • Pierre Walczak
  • Lorenzo Columbo
  • Massimo Brambilla
  • Franco Prati
  • Giovanna TissoniEmail author
  • Stéphane Barland
Regular Article
Part of the following topical collections:
  1. Topical Issue: Theory and applications of the Lugiato-Lefever Equation


We show experimental and numerical results about attractive interactions between phase solitons in a strongly multimode semiconductor laser with injected signal. The formation of soliton bound states, or phase solitons with multiple chiral charge, is demonstrated and analyzed in terms of the (spatio-temporally resolved) phase dynamics of the system. Propagation velocity of phase solitons in the longitudinal cavity is studied, and a correlation is established with phase soliton size and total charge.

Graphical abstract


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Copyright information

© EDP Sciences, SIF, Springer-Verlag GmbH Germany 2017

Authors and Affiliations

  1. 1.Université de Lille, CNRS UMR 8523, Laboratoire de Physique des LasersLilleFrance
  2. 2.Université Côte d’Azur, CNRS, Institut de Physique de NiceValbonneFrance
  3. 3.Politecnico di Torino, Dipartimento di Elettronica e TelecomunicazioniTorinoItaly
  4. 4.Istituto di Fotonica e Nanotecnologie del CNRBariItaly
  5. 5.Dipartimento di Fisica Interateneo, Università e Politecnico di BariBariItaly
  6. 6.Dipartimento di Scienza e Alta Tecnologia, Università dell’InsubriaComoItaly
  7. 7.CNISM, Research Unit of Como, Via Valleggio 11ComoItaly

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