1. Computer, Electrical, and Mathematical Sciences and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
2. Physical Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
3. Core Laboratories, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
4. Department of Physics, Khalifa University, PO Box 127788, Abu Dhabi, United Arab Emirates
5. Department of Physics, Bernal Institute, University of Limerick, Limerick, V94 T9PX, Ireland