1. King Abdullah University of Science and Technology (KAUST)Physical Sciences and Engineering Division (PSE)KAUST Solar Center (KSC) Thuwal 23955‐6900 Saudi Arabia
2. King Abdullah University of Science and Technology (KAUST)Physical Sciences and Engineering Division (PSE) Thuwal 23955‐6900 Saudi Arabia
3. Department of Electrical and Computer EngineeringUniversity of Toronto Toronto Ontario M5S 3G4 Canada