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Dynamics of interacting cavity solitons
Amir Leshem, Sanzida Akter, Logan Courtright, Pradyoth Shandilya, Curtis R. Menyuk, Omri Gat
https://arxiv.org/abs/2507.07851

Dynamics of interacting cavity solitons
We derive the equations governing the motion of Kerr solitons in pair waveforms. Recent experiments in microresonators have studied a variety of interaction effects in multisoliton waveforms, including collisions and formation of soliton molecules and crystals. Here we analyze the effective interaction that arises from the coupling of soliton-tail overlap nonlinearity with global soliton variables associated with the breaking of translation symmetry. The interaction is either purely repulsive, …