Mapping Nonlinear Mode Interactions in Coupled Kerr Resonators

Trinchão, Luca O.; Peres, Luiz; Gonçalves, Eduardo S.; Nienstedt, Miguel; dos Santos, Laís Fujii; Jarschel, Paulo F.; Alegre, Thiago P. M.; Tomazio, Nathalia B.; Wiederhecker, Gustavo S.

doi:10.48550/arXiv.2511.21233

Mapping Nonlinear Mode Interactions in Coupled Kerr Resonators

https://doi.org/10.48550/arXiv.2511.21233
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posted on 2025-11-28, 17:01 authored by Luca O. Trinchão, Luiz Peres, Eduardo S. Gonçalves, Miguel Nienstedt, Laís Fujii dos Santos, Paulo F. Jarschel, Thiago P. M. Alegre, Nathalia B. Tomazio, Gustavo S. Wiederhecker

We present a method for resolving spatial mode overlaps in coupled microresonators based on Kerr and thermal cross-phase modulation. Through a pump-probe setup, we measure experimental overlap in a three-ring resonator with good agreement with analytical theory. Our technique can be generalized for describing nonlinear interactions in more complex multi- and coupled-mode systems.

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Mapping Nonlinear Mode Interactions in Coupled Kerr Resonators

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