Saima Kanwal, Mohammed R. Saeed, Faris K. AL-Shammri, Mir Hamid Rezaei. "Cross-talk-free, high extinction ratio, and ultra-compact all‑optical 4 × 2 encoder using graphene-based plasmonic waveguides." Scientific Reports (2025). https://doi.org/10.1038/s41598-025-86387-z