1. Department of Physics, Indian Institute of Technology Delhi, New Delhi 110016, India
2. Centre for Sensors, Instrumentation and Cyber Physical System Engineering, Indian Institute of Technology Delhi, New Delhi 110016, India
3. Physical Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
4. Optics and Photonics Center, Indian Institute of Technology Delhi, New Delhi 110016, India