Formation of phase soliton complexes in an optically injected semiconductor laser
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- Gustave, F., Rimoldi, C., Walczak, P. et al. Eur. Phys. J. D (2017) 71: 154. doi:10.1140/epjd/e2017-80104-0
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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.