Design and modeling of half-subtractor using plasmonic waveguides for high-computational applications. - Sandip Swarnakar; Chagalamarri Guru Preethi; Boggarapu Geetha Nandini; Nallabolu Lakshmi Keerthana; Kallamadi Suchitra; Arjuna Muduli; Alluru Sreevani; Santosh Kumar 005 (Photonic Netw. Commun., 2025)