Jalas, D.D.JalasPetrov, A.A.PetrovEich, M.M.EichFreude, W.W.FreudeFan, S.S.FanYu, Z.Z.YuBaets, RoelRoelBaetsMelloni, A.A.MelloniJoannopoulos, J.D.J.D.JoannopoulosVanwolleghem, M.M.VanwolleghemDoerr, C.R.C.R.DoerrRenner, H.H.Renner2021-10-212021-10-212013-081749-4885https://imec-publications.be/handle/20.500.12860/22539What is - and what is not - an optical isolatorJournal articlehttp://www.nature.com/nphoton/journal/v7/n8/full/nphoton.2013.185.html