公开(公告)号：EP4213319A1

公开(公告)日：2023-07-19

申请号：EP23152877.9

申请日：2019-01-18

申请人： IQE plc

发明人： ANDREW, Clark ,  HAMMOND, Richard ,  PELZEL, Rodney ,  CHESKIS, David ,  LEBBY, Michael

IPC分类号： H01S5/183 ,  H01S5/40 ,  H01S5/42

摘要： Embodiments described herein provide a layered structure that comprises a substrate that includes a first porous multilayer of a first porosity, an active quantum well capping layer epitaxially grown over the first porous multilayer, and a second porous multilayer of the first porosity over the active quantum well capping layer, where the second porous multilayer aligns with the first porous multilayer.

公开(公告)号：EP3915133A1

公开(公告)日：2021-12-01

申请号：EP20702592.5

申请日：2020-01-23

申请人： IQE plc

发明人： PELZEL, Rodney ,  CLARK, Andrew ,  DARGIS, Rytis ,  LEBBY, Michael ,  HAMMOND, Richard

IPC分类号： H01L21/285