1. DTU Energy--Department of Energy Conversion and Storage, Technical University of Denmark, DK-2800 Kongens Lyngby, Denmark
2. DTU Fotonik--Department of Photonics Engineering, Technical University of Denmark, DK-2800 Kongens Lyngby, Denmark
3. Topsil GlobalWafers A/S, DK-3600 Frederikssund, Denmark