It is well known that solitons in integrable systems recover their original profiles after their mutual collisions. This is not true in the case of optical fibre arrays, governed by a set of integrable coupled nonlinear Schrödinger (CNLS) equations. We consider the Manakov- and mixed-type `two-component' CNLS systems. The most important characteristics of these systems are:
The polarizations of the two-component solitons are changed through their mutual collisions (Manakov system) and
the energy (intensity) switching occurs through the head-on collision (mixed system).
By placing the above solitons on the primary star graph (PSG), we see that soliton collisions give rise to interesting phase changes in PSG:
These results will be applicable to network protocols using optical fibre arrays.
Volume 96, 2022
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