1. Nonlinear Optical Materials Laboratory, School of Physics, Bharathidasan University, Tiruchirappalli 620024, India
2. Functional Materials and Device Laboratory, Department of Physics, Pukyoung National University, Busan 751005, South Korea
3. Advanced Functional Materials Laboratory, Department of Physics, National Institute of Technology, Tiruchirappalli 620015, India
4. Department of Physics and Astronomy, National Institute of Technology, Rourkela, Odisha 769008, India