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  • Chithrabhanu, P.; Aadhi, A.; Gangi Reddy, Salla; Prabhakar, Shashi; Singh, Ravindra P. (Indian Institute of Technology Kharagpur, 2014-12)
    We construct Poincar´e sphere for orbital angular momentum (OAM) states for coherent and partially coherent light beams using a non-separable state generated with modified Sagnac interferometer and a random scatterer.
  • Gangi Reddy, Salla; Prabhakar, Shashi; Ali, Anwar M. A.; Banerji, Jagannath; Singh, Ravindra P. (Indian Institute of Technology Kharagpur, 2014-12)
    We model scattered optical vortices as partially coherent optical vortices (PCOV) as well as Laguerre Gaussian Schell Model beams. A comparison with our experimental results shows the validity of modelling them as PCOV beams
  • Lal, Nijil; Chithrabhanu, P.; Gangi Reddy, Salla; Anwar, Ali; Aadhi, A.; Singh, R. P. (Optical Society of America, 2016)
    We generate the non-separable state of polarization and orbital angular momentum using a laser beam. The generated state undergoes a cyclic polarization evolution which introduces a Pancharatnam geometric phase to the ...
  • Gangi Reddy, Salla; Chithrabhanu, P.; Prabhakar, Shashi; Aadhi, A.; Singh, Ravindra P. (Indian Institute of Technology, Kharagpur, 2014-12)
    We experimentally demonstrate that the vorticity of light remains preserved even after scattering through a ground glass plate. It shows the robustness of optical vortices along with conservation of orbital angular ...

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