Education

Ph.D. | 2016 | Physical Research laboratory, Ahmedabad / Mohanlal Sukhadia University, Udaipur

  • Subject: Physics/Optics
  • Thesis: “Optical vortices: Scattering through random media.”

M.Sc. | 2008 | Sri Venkateswara University, Tirupathi

  • Subject: Physics

B.Sc. | 2006 | Sri Venkateswara University, Tirupathi

  • Subject: Physics (Honours), Chemistry, Mathematics

 

    Experience

    Physics Mentor | Rajiv Gandhi University of Knowledge Technologies, Nuzvid, India

    • Duration: May 2008 to July 2010

    Postdoctoral Researcher | Physical Research Laboratory, Ahmedabad, India

    • Duration: July 2015 to March 2016
    • Research: Physical Unclonable functions using spatial modes of light.

    Postdoctoral Researcher | The University of Electro-Communications, Tokyo, Japan

    • Duration: April 2016 to July 2017
    • Research : Free space optical communication using vector vortex beams   

    Research Experience

    Research Scholar

    Department of Civil Engineering, IISc, Bangalore.
    From 01 Jan 2006 – 30 June 2010. (4 Years 5 Months and 29 Days)

    Research Assistant

    Department of Civil Engineering, IISc, Bangalore.
    From 01 Sep 2005 – 30 Dec 2005. (4 Months)

    Research Interest

    • Scalar and vector optical vortex beams
    • Free space optical communication
    • Polarization speckles
    • Mueller polarimetry

    Awards & Fellowships

    • 2015 - Given an invited talk in Correlation Optics 2015, held at National University of Chernivtsi, Ukraine.
    • 2014 - Best paper award in International Conference on Optics and Opto-electronics, held at IRDE Dehradun -India
    • 2014 - OSI Best Paper Award in International Conference on Fiber Optics and Phtonics, held at IIT Kharagpur, Kharagpur - India
    • 2013 - OSI Best Paper Award in Workshop on Recent Advances in Photonics, held at IIT Delhi, Delhi – India 1/8
    • 2012 SPIE - Best paper presentation award in International Conference on Fiber Optics and Photonics, held at IIT Madras, Chennai - India
    • 2010 Qualified NET (CSIR/UGC) (Physics),(All India level test for the eligibility of lectureship in Indian Universities)
    • 2010 Qualified UGC JRF (Physics),(All India level test for the eligibility of Ph.D admission in Indian Universities)

    List of Publications

    • Salla Gangi Reddy, Ashok Kumar, Shashi Prabhakar, and R. P. Singh, Experimental generation of ring shaped beams with random sources, Optics Letters 38, 21, 4441-4444 (2013).
    • Salla Gangi Reddy, Shashi Prabhakar, Ashok Kumar, J. Banerji, and R. P. Singh, Higher order optical vortices and formation of speckles, Optics Letters 39, 15, 4364-4367 (2014).
    • Salla Gangi Reddy, Shashi Prabhakar, A. Aadhi, J. Banerji, and R. P. Singh, Propagation of an arbitrary vortex pair through an astigmatic optical system and determination of its topological charge, Journal of the Optical Society of America A 31, 1295-1302 (2014).
    • Salla Gangi Reddy, Chithrabhanu P, Shashi Prabhakar, Ali Anwar, and R. P. Singh, Recovering the vorticity of a light beam after scattering, Applied Physics Letters 107, 021104 (2015).
    • Salla Gangi Reddy, Chithrabhanu P, Ali Anwar, Shashi Prabhakar, J. Banerji, and R. P. Singh, Divergence of the optical vortex beams, Applied Optics 54, 6690-6693 (2015).
    • Salla Gangi Reddy, Shashi Prabhakar, A. Aadhi, A Kumar, M. Shah, R. P. Singh, R. Simon, Measuring the Mueller matrix of an arbitrary optical element with a universal SU (2) polarization gadget, Journal of the Optical Society of America A 31, 610-615 (2014).
    • Shashi Prabhakar, Salla Gangi Reddy, A. Aadhi, Ashok Kumar, P. Chithrabhanu, G. K. Samanta, and R. P. Singh, Spatial distribution of spontaneous parametric down-converted photons for higher order optical vortices, Optics Communications 326, 64-69 (2014).
    • Chithrabhanu P, Salla Gangi Reddy, Ali Anwar, Aadhi A, Shashi Prabhakar, and R. P. Singh, Scattering of non-separable states of light, Optics Communications 355, 301-305 (2015).
    • P. Chithrabhanu, A. aadhi, Salla Gangi Reddy, Shashi Prabhakar, G. K. Samanta, G. Paul, and R. P. Singh, Three particle hyper entanglement: Teleportation and quantum key distribution, Quantum Information Processing 1-14 (2015).
    • Shashi Prbhakar, Salla Gangi Reddy, A. Aadhi, P. Chithrabhanu, G. K. Samanta, and R. P. Singh, Violation of Bell’s inequality for phase singular beams, Physical Review A 92, 023822 (2015).
    • Salla Gangi Reddy, Shashi Prabhakar, Chithrabhanu P, R. P. Singh, and R. Simon, Polarization state transformation using two quarter wave plates: An approach to Mueller polarimetry, Accepted in Applied Optics 55, B14-B19 (2016).
    • Salla Gangi Reddy, Chithrabhanu P, Aadhi A, Pravin Vaity, Shashi Prabhakar, and R. P. Singh, Perfect optical vortices and the non-diffracting speckles, Accepted in of Optics 18, 055602 (2016).
    • A. Aadhi, Pravin Vaity, P. Chithrabhanu, Salla Gangi Reddy, Shashi Prbhakar, and R. P. Singh, Noncoaxial superposition of vector vortex beams, Applied Optics 55, 1107-1111 (2016).
    • Ali Anwar, Chithrabhanu P, Salla Gangi Reddy, Nijil Lal, and R. P. Singh, Selecting the pre-detection characteristics for effective fibre coupling of entangled photon sources, Optics Communications 382, 219-224 (2016).
    • Chithrabhanu P, Salla Gangi Reddy, Nijil Lal, Ali Anwar, Aadhi A, and R. P. Singh, Pancharatnam phase in non-separable states of light, Journal of the Optical Society of America B 33 (2016).
    • Salla Gangi Reddy, Vijay Kumar, Yoko Miyamoto, R. P. Singh, Scattering of Poincare beams: Polarization speckles, Optics Express, 25, 19886-19893 (2017).
    • Vijay Kumar, B. Piccirillo, Salla Gangi Reddy, R. P. Singh, Topological structures in vector fields, Optics Letters 42, 466-469 (2017).
    • C Perumangatt, N Lal, A Anwar, Salla Gangi Reddy, R. P. Singh, Quantum information with even and odd states of orbital angular momentum of light Physics Letters A 381, 1858-1865 (2017).

    Proceedings available online:

    • P. Vaity, A. Kumar, G. R. SALLA, A. Aadhi, P. Chithrabhanu, and R. P. Singh, "Determining orbital angular momentum of light using simple convex lens," in International Conference on Fibre Optics and Photonics, OSA Technical Digest (online) (Optical Society of America, 2012), paper MPo.4.
    • S. Prabhakar, G. R. SALLA, A. Aadhi, A. Kumar, G. Samanta, and R. P. Singh, "Spatial distribution of Spontaneous Parametric Down-Converted Photons," in International Conference on Fibre Optics and Photonics, OSA Technical Digest (online) (Optical Society of America, 2012), paper T1C.2.
    • G. R. SALLA, S. Prabhakar, A. Aadhi, A. Kumar, M. Shah, R. P. Singh, and R. Simon, "Determination of Mueller matrix of an optical element with SimonMukunda gadget," in International Conference on Fibre Optics and Photonics, OSA Technical Digest (online) (Optical Society of America, 2012), paper M1B.2.
    • Salla Gangi Reddy, Ashok Kumar, Shashi Prabhakar, and R. P. Singh, Revival of the dark core in scattered optical vortices, presented at SPIE optics and photonics during August 25-29, 2013 at San Diego, California, USA. (Proc. SPIE 8840, Optical Modeling and Performance Predictions VI, 884008)
    • S. G. Reddy, S. Prabhakar, R. P. Singh and A. Kumar, "Spatial intensity distribution of optical vortex beams," Workshop on Recent Advances in Photonics (WRAP), New Delhi, 2013, pp. 1-2.
    • G. R. SALLA, S. Prabhakar, A. A. M A, J. Banerji, and R. P. Singh, "Modelling of scattered optical vortices," in 12th International Conference on Fiber Optics and Photonics, OSA Technical Digest (online) (Optical Society of America, 2014), paper S5A.32.
    • C. P, A. A, G. R. SALLA, S. Prabhakar, and R. P. Singh, "Construction of Coherent and Partially Coherent Orbital Angular Momentum Poincare Sphere," in 12th International Conference on Fiber Optics and Photonics, OSA Technical Digest (online) (Optical Society of America, 2014), paper M4A.82.
    • S. Prabhakar, G. R. SALLA, A. A, C. P, G. K. Samanta, and R. P. Singh, "Continuous-variable Entanglement in Optical Vortex Beams," in 12th International Conference on Fiber Optics and Photonics, OSA Technical Digest (online) (Optical Society of America, 2014), paper M4A.83
    • S. G. Reddy, V. Kumar, A. Gekalyuk, and M. Abakumov, "Scattering of vector vortex beams: polarization speckles," in Asia Communications and Photonics Conference 2016, held at Wuhan China during November 2-5. OSA Technical Digest (online) (Optical Society of America, 2016), paper AS1K.4.
    • C. Perumangatt, N. Lal, A. Anwar, G. R. Salla, and R. P. Singh, "A Stabilized Polarization Controlled Orbital Angular Momentum Sorter," in 13th International Conference on Fiber Optics and Photonics, OSA Technical Digest (online) (Optical Society of America, 2016), paper Tu4A.46.
    • V. Kumar, G. R. Salla, and R. P. Singh, "Realization of Coherence Vortex Using Poincaré Beams," in 13th International Conference on Fiber Optics and Photonics, OSA Technical Digest (online) (Optical Society of America, 2016), paper Th3A.7. 
    • G. R. Salla, C. P, R. P. Singh, and Y. Miyamoto, "SPATIAL MODE DEPENDENT INTENSITY CORRELATION: VARIATION OF THE STREGNTH OF MODULATION PEAK," in 13th International Conference on Fiber Optics and Photonics, OSA Technical Digest (online) (Optical Society of America, 2016), paper W3A.12

    Presented in international conferences:

    • Salla Gangi Reddy, Chithrabhanu, Shashi Prabhakar, Ali Anwar, and R. P. Singh, Divergence of the optical vortex beams, presented at International conference on optics and photonics (ICOP 2015) during February 20-22, 2015 at Calcutta University, Kolkata, India.
    • Chithrabhanu, Salla Gangi Reddy, Ali Anwar, Aadhi A, Shashi Prabhakar, and R. P. Singh, Generalized orbital angular momentum Poincare sphere, presented at International conference on optics and photonics (ICOP 2015) during February 20- 22, 2015 at Calcutta University, Kolkata, India. (Proc. SPIE 9654, International Conference on Optics and Photonics 2015, 965421)
    • Shashi Prabhakar, Ashok Kumar, Gangi Reddy, A. Aadhi, and R. P. Singh, Determination of order of vortex from intensity distribution, International Conference on Trends in Optics and Photonics, University of Calcutta, Kolkata, India, pp. 115-119, December 7-9, 2011.
    • R. P. Singh, Pravin Vaity, Ashok Kumar, S. G. Reddy, and A. Aadhi, Dynamics of fractional charge optical vortices, International Conference on Trends in Optics and Photonics, University of Calcutta, Kolkata, India, pp. 217-220, December 7-9, 2011.
    • Salla Gangi Reddy, Shashi Prabhakar, Ashok Kumar, J. Banerji, and R. P. Singh, Variation of speckle size with the order of an optical vortex, presented at International conference on Optics & Optoelectronics during March 05-08, 2014 at IRDE Dehradun, India.
    • Salla Gangi Reddy, Ashok Kumar, J. Banerji, Shashi Prabhakar, and R. P. Singh, Optical vortices through a ground glass, presented at International conference on Optics & Optoelectronics during March 05-08, 2014 at IRDE Dehradun, India.
    • Chithrabhanu P, Aadhi A, Salla Gangi Reddy, Shashi Prabhakar, G. K. Samanta, and R. P. Singh, A novel entangled source for higher dimensional quantum teleportation and QKD, presented at International conference on Optics & Optoelectronics during March 05-08, 2014 at IRDE Dehradun, India.
    • Salla Gangi Reddy, Shashi Prabhakar, Ali Anwar MV, J. Banerji, and R. P. Singh, Propagation of an arbitrary vortex pair through an astigmatic optical system, presented at National Laser Symposium held on December 03-06, 2014 at Sri Venkateswara University, Tirupathi, India.
    • Chithrabhanu, Salla Gangi Reddy, Aadhi A, Shashi Prabhakar, Ali Anwar MV, and R. P. Singh, Scattering of non-separable light beams, presented at National Laser Symposium held on December 03-06, 2014 at Sri Venkateswara University, Tirupathi, India.
    • A. Aadhi, Chithrabhanu, Salla Gangi Reddy, Shashi Prabhakar, Jabir MV, G. K. Samanta, and R. P. Singh, Measurement of Berry Phase by non-interferometric method, presented at National Laser Symposium held on December 03-06, 2014 at Sri Venkateswara University, Tirupathi, India.
    • Aadhi A, Chithrabhanu, Salla Gangi Reddy, Apurv Chaitanya, G. K. Samanta, and R. P. Singh, Super position of polarization singularity, presented at International conference on optics and photonics (ICOP 2015) during February 20- 22, 2015 at Calcutta University, Kolkata, India.
    • Salla Gangi Reddy, Chithrabhanu, Shashi Prabhakar, Ali Anwar, and R. P. Singh, Perfect optical vortices: Response to an astigmatic optical system, presented at third international conference on optical angular momentum (ICOAM 2015) held on August 4-7, 2015 at City college of New York, New York, USA.
    • Chithrabhanu P, Salla Gangi Reddy, Ali Anwar, Aadhi A, Shashi Prabhakar, and R. P. Singh, Scattering of light beams with non-separable polarization and orbital angular momentum states, presented at Third international conference on optical angular momentum (ICOAM 2015) held on August 4-7, 2015 at City college of New York, New York, USA.
    • Aadhi A, Chithrabhanu P, Salla Gangi Reddy, Apurv Chaitanya, G. K. Samanta, and R. P. Singh, Non-interferometric method to measure the Pancharatnam phase using a non-separable light beam, presented at Third international conference on optical angular momentum (ICOAM 2015) held on August 4-7, 2015 at City college of New York, New York, USA.
    • Aadhi A, Chithrabhanu P, Salla Gangi Reddy, Apurv Chaitanya, G. K. Samanta, and R. P. Singh, Spatial superposition of vector vortex beams, presented at Third international conference on optical angular momentum (ICOAM 2015) held on August 4-7, 2015 at City college of New York, New York, USA.
    • Salla Gangi Reddy, Yoko Miyamito, Characterizing the S-wave plate through Mueller polarimetry, OSJ and OSA joint symposia on Plasmonics and Digital Photonics, held at University of Tsukuba, Japan during 30-31 October 2016. 
    • Salla Gangi Reddy, Yoko Miyamoto, R. P. Singh, Intensity correlation properties of scattered optical vortices, presented at IRAGO conference, held at The university of Electro-Communications during November 1-2 (2016)
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