Implementation of all-optical 3-dB and 10-dB directional coupler for switching applications. - Sandip Swarnakar; Haripriya Noonepalle; Karyabhattu Seeta Rama Raju; Gude Ramarao; Nallagarala Ramamurthy; Santosh Kumar 005 (Photonic Netw. Commun., 2023)