J. Eur. Opt. Society-Rapid Publ. 22, 56( 2026) 551 Author contribution statement
Conceptualization, C.-F. G., G. D., S. Sa., A. L-S., E. J., T. M., S. K., S. Su.; Methodology, C.-F. G., G. D., A. L-S., P. G., S. Sa., M. L., E. J., T. M., S. K., S. Su; Software, C.-F. G., G. D., A. L-S., P. G., M. L.; Investigation, C.-F. G., G. D., A. L-S., E. J.; Resources, P. S., R. T.; Data Curation, C.-F. G., A. L-S., G. D.; Writing – Original Draft Preparation, C.-F. G., A. L-S., P. S.; Writing – Review & Editing, C.-F. G., G. D., A. L-S., E. J., S. Sa., S. Su., S. K., T. M.; Visualization, C.-F. G., A. L-S.; Supervision, M. Le., S. Su., S. K., T. M.; Funding Acquisition, E. J., M. Le., S. Su., S. K., T. M.
Supplementary material
S1: Incoupling simulations. S2: Waveguide and MMI splitter simulations. S3: GC efficiency simulation. The supplementary material of this article is available at https:// jeos. edpsciences. org / 10.1051 / jeos / 2026049 / olm.
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