Spatial patterns of dissipative polariton solitons in semiconductor microcavities

J. K. Chana, M. Sich, F. Fras, A. V. Gorbach, D. V. Skryabin, E. Cancellieri, E. A. Cerda-Méndez, K. Biermann, R. Hey, P. V. Santos, M. S. Skolnick, D. N. Krizhanovskii

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We report propagating bound microcavity polariton soliton arrays consisting of multipeak structures either along (x) or perpendicular (y) to the direction of propagation. Soliton arrays of up to five solitons are observed, with the number of solitons controlled by the size and power of the triggering laser pulse. The breakup along the x direction occurs when the effective area of the trigger pulse exceeds the characteristic soliton size determined by polariton-polariton interactions. Narrowing of soliton emission in energy-momentum space indicates phase locking between adjacent solitons, consistent with numerical modeling which predicts stable multihump soliton solutions. In the y direction, the breakup originates from inhomogeneity across the wave front in the transverse direction which develops into a stable array only in the solitonic regime via phase-dependent interactions of propagating fronts.

Original languageEnglish
Article number256401
JournalPhysical Review Letters
Issue number25
Early online date15 Dec 2015
Publication statusPublished - 2016


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