1. Peter Grünberg Institute (PGI 9) and JARA-Fundamentals of Future Information Technologies, Forschungszentrum Jülich, 52425 Jülich, Germany
2. JARA-Institute Green IT, RWTH Aachen University, 52075 Aachen, Germany
3. Laboratory for Micro- and Nanotechnology (LMN), Paul Scherrer Institute, CH-5232 Villigen, Switzerland
4. Institute of Integrated Photonics and JARA-Fundamentals of Future Information Technologies, RWTH Aachen University, 52074 Aachen, Germany
5. IHP, Im Technologiepark 25, 15236 Frankfurt (Oder), Germany
6. University of Grenoble Alpes, CEA, LETI, F-38000 Grenoble, France
7. Pollard Institute, School of Electronic and Electrical Engineering, University of Leeds, Leeds LS2 9JT, United Kingdom
8. Department of Sciences, Università Roma Tre, 00146 Roma, Italy