1. Academy of Scientific and Innovative Research (AcSIR), CSIR-CGCRI Campus; Kolkata India
2. Fiber Optics & Photonics Division, CSIR-Central Glass & Ceramic Research Institute; 196, Raja S.C.M. Road Kolkata-700032 India
3. Centro de Investigaciones en Optica; Loma del Bosque 115 Col. Lomas del Campestre Leon 37150, Guanajuato Mexico
4. Raman Centre for Atomic, Molecular, and Optical Sciences, Indian Association for the Cultivation of Science; Kolkata 700032 India