1. Center for Nanophotonics, AMOLF, Science Park 104, 1098 XG Amsterdam, The Netherlands
2. The Netherlands Delmic BV, Kanaalweg 4, 2628 EB Delft, The Netherlands
3. Department of Materials Science and Engineering, Canadian Centre for Electron Microscopy, McMaster University, 1280 Main Street West, Hamilton, Ontario L8S 4M1, Canada
4. Department of Electrical and Computer Engineering, McGill University, 3480 University Street, Montreal, Quebec H3A 0E9, Canada
5. Optic & Display Material Center, Korea Institute of Ceramic Engineering & Technology, Jinju 52851, Republic of Korea
6. Department of Electrical Engineering and Computer Science, Center for Photonics and Multiscale Nanomaterials, University of Michigan, Ann Arbor, Michigan 48109, United States