[1]
Zhang, J. et al. 2026. Mode-Group (De)Multiplexer Based on Directional Coupler Formed by Heterogeneous Integrated Waveguides. Journal of Optics and Photonics Research. 3, 1 (Feb. 2026), 59–66. DOI:https://doi.org/10.47852/bonviewJOPR42023675.