Haes, JanJanHaesDeMeulenaere, BartBartDeMeulenaereBaets, RoelRoelBaetsLenstra, D.D.LenstraVisser, T. D.T. D.VisserBlok, H.H.Blok2021-09-302021-09-301997https://imec-publications.be/handle/20.500.12860/1918Difference between TE and TM modal gain in amplifying waveguides: analysis and assessment of two perturbation approachesJournal article