1. Indian Institute of Technology Tirupati,Dept. of Electrical Engineering,Tirupati,India
2. Indian Institute of Technology Tirupati,Dept. of Mechanical Engineering,Tirupati,India
3. Indian Institute of Technology Tirupati,Center for Atomic Molecular, and Optical Sciences & Technologies,Dept. of Physics,Tirupati,India
4. University of Western Ontario,Dept. of Physics and Astronomy,London,ON,Canada
5. King's College, University of Western Ontario,Dept. of Physics and Astronomy, Dept. of Management, Economics and Mathematics,London,ON,Canada