1. Photonics and Nanotechnology Section, Atomic and Molecular Physics Division, Bhabha Atomic Research Centre FacilityVisakhapatnam 530012India
2. Homi Bhabha National InstituteMumbai 400094India
3. Materials Science Group, Indira Gandhi Centre for Atomic ResearchKalpakkam 603102Tamil NaduIndia
4. Institute of PhysicsSachivalaya MargBhubaneswar 751005OdishaIndia