1. Bar-Ilan University, Faculty of Engineering, Ramat Gan 5290002, Israel
2. Lev Academic Center (JCT), Department of Applied Physics/Electro-Optics Engineering, Faculty of Engineering, 21 Havaad Haleumi Street, Jerusalem 9116001, Israel
3. Sichuan University, College of Physical Science and Technology, Department of Physics, Chengdu 610065, China
4. Bar-Ilan University, Department of Physics, Ramat Gan 5290002, Israel