Chen, N.N.ChenNakano, Y.Y.NakanoOkamoto, K.K.OkamotoTada, K.K.TadaMorthier, GeertGeertMorthierBaets, RoelRoelBaets2021-09-302021-09-301997https://imec-publications.be/handle/20.500.12860/1764Analysis, fabrication, and characterization of tunable DFB lasers with chirped gratingsJournal article