Du, C.-H.C.-H.DuYIH-PENG CHIOU2018-09-102018-09-102014http://www.scopus.com/inward/record.url?eid=2-s2.0-84901999775&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/387036[SDGs]SDG7Vertical directional couplers with ultra-short coupling length based on hybrid plasmonic waveguidesjournal article10.1109/JLT.2014.2318182