1. Geballe Laboratory for Advanced Materials, Stanford University, Stanford, California 94305, United States
2. Stanford Institute for Materials and Energy
Sciences, SLAC National Accelerator Laboratory, Menlo Park, California 94025, United States
3. CREOL, The College of Optics and Photonics, University of Central Florida, 4000 Central Florida Blvd, Orlando, Florida 32816, United States