1. Department of Physics Ben‐Gurion University of the Negev Beer‐Sheva 8410501 Israel
2. Hyperion Materials & Technologies 6325 Huntley Rd Columbus OH 43229 USA
3. ARC Centre of Excellence for Nanoscale BioPhotonics School of Science RMIT University Melbourne VIC 3001 Australia
4. National Institutes for Quantum and Radiological Science and Technology Takasaki Gunma 370‐1292 Japan
5. Adámas Nanotechnologies, Inc. 8100 Brownleigh Drive, Suite 120 Raleigh NC 27617 USA
6. College of Staten Island (CUNY) 2800 Victory Blvd. Staten Island NY 10312 USA