1. School of Engineering, University of Glasgow, Glasgow, U.K.
2. Center Nanoelectronic Technologies Department, Fraunhofer Institute for Photonic Microsystems, Dresden, Germany
3. Department of Neuroscience and Biomedical Engineering, Aalto University, Aalto, Finland
4. Microelectronics Department, CNRS-LIRMM, Montpellier, France
5. Nanomaterials Department, CEA-LITEN, University of Grenoble Alpes, Grenoble, France
6. Nanomaterials Department, CEA-INAC, University of Grenoble Alpes, Grenoble, France
7. Nanoinstruments Department, AIXTRON Ltd., Cambridge, U.K.