A novel vertical directional coupler switch with switching-operation-induced section and extinction-ratio-enhanced sectionCHO, Sung-Chan; JUNG, Byung-Min; KIM, Boo-Gyoun et al.Journal of lightwave technology. 2002, Vol 20, Num 9, pp 1773-1778, issn 0733-8724, 6 p.Article

A novel vertical directional coupler switch with switching operation-induced, extinction ratio-adjusted, and extinction ratio-enhanced sections : Special issue papers: The optical internetCHO, Sung-Chan; HYUN HA HONG; YANG, Choong-Reol et al.ETRI journal. 2002, Vol 24, Num 2, pp 109-116, issn 1225-6463Article