Some selected List of Publications

  • Enhancement of the electromagnetically induced transparency and absorption signals in 85Rb atomic vapor medium by using the small external magnetic field Vikas SinghChauhan, DixithManchaiah, RohitKumar, and Raghavan K.Easwaran*,  Accepted in Journal of the Optical Society of America B (JOSAB) (January 2021)

  • Vikas Singh Chauhan, Dixith M, Praveen Kumar, Rohit Kumar, Sumit Bhushan and  Raghavan K Easwaran∗, Measurement of Dispersive Properties of Multi Window Electromagnetically Induced Transparency in Rubidium Atomic Vapor Medium by Using Spatial Light Modulator, Optik (Accepted ) 2020

  •  Vikas S. Chauhan, Rohit Kumar, Dixith M, Praveen Kumar and Raghavan K .Easwaran* Narrowing of electromagnetically induced transperancy by using structured coupling light in 85 Rb vapor medium, Laser Physics, Volume 30, pp065203, 2020

  • Vikas S. Chauhan, Dixith M, Sumit Bhushan, Rohit Kumar and Raghavan K .Easwaran*, Theoretical design of Quantum Memory Unit for Under water Quantum Communication Using Electromagnetically Induced Transparency Protocol in ultracold 87 Rb atoms, International  Journal of Quantum Information, accepted, July 2020

  • Vikas S Chauhan, Sumit Bhushan and Raghavan K Easwaran,Magnetic coil design for Two Dimensional Magneto Optical Trap to Realization of Efficient Quantum Memory,AIP Conference Proceedings 2241,020012 (2020).

  • Sumit Bhushan,  Vikas S. Chauhan,  Raghavan K. Easwaran*,  Effect of Magnetic Field on a Multi Window Ladder Type Electromagnetically Induced Transparency System of 87Rb Atoms in Vapour Cell,(Accepted on 6th August 2019, Physics Letters A) 2019

  • Vikas S. Chauhan, Dixith M, Sumit Bhushan, Rohit Kumar and Raghavan K .Easwaran*, Rydberg Electromagnetically Induced Transparency using Blue light in Ultracold 87Rb atoms for Underwater Quantum Communication, Optics Communication  (Under Review) 2019

  • Sumit Bhushan, Vikas S.Chauhan and Raghavan K. Easwaran*, Broadband Quantum Memory Using Electromagnetically Induced Transparency in Atomic Medium, Journal of Modern Optics, Volume 66,  Pages 992-997 (2019)

  • Sumit Bhushan, Vikas S.Chauhan and Raghavan K. Easwaran*, Ultracold Rydberg atoms for efficient storage of terahertz frequency signals using electromagnetically induced transparency, Physics Letters A, Vol. 382, Issue 48, pp. 3500-3504 (2018)

  • Sumit Bhushan and Raghavan K. Easwaran*, A novel theoretical design for generation of slow light in two dimensional magneto optical trap using electromagnetically induced transparency , Applied Optics ,Vol. 56, Issue 13, pp. 3817-3823 (2017)

  • Gour M. Das, Anil B. Ringne, Venkata R. Dantham, Raghavan K. Easwaran and Ranjit Laha, “Numerical investigations on photonic nanojet mediated surface enhanced Raman scattering and fluorescence techniques”, Optics Express , Vol. 25, Issue 17,pp. 19822-19831, (2017)

  • Dipankar Nath, R Kollengode Easwaran*, G Rajalakshmi and C S Unnikrishnan. Quantum-interference enhanced deep sub-Doppler cooling of 39K atoms beyond gray molasses , Phys.Rev. A , Vol. 88, 053407 (2013)

  • Dipankar Nath, R Kollengode Easwaran*, G Rajalakshmi and C S Unnikrishnan. Accelerated Thermalisation of 39K atoms in a Magnetic Trap with Superimposed Optical Potential J. Phys.B: At. Mol. Opt. Phys. 46 155303 (2013)

  • C S Unnikrishnan, Vandna Gokhroo, G Rajalakshmi and Raghavan K. Easwaran*. A versatile multi-species ultra-cold atoms experiment to study atomic correlations, quantum degeneracy, short-range forces and few-body quantum mechanics, Asian Journal of Physics, 20, No.2 and 3 (2011) 243-25

  • Vandna Gokhroo, G Rajalakshmi, R Kollengode Easwaran* and C S Unnikrishnan. Sub-Doppler deep-cooled bosonic and fermionic isotopes of potassium in a compact 2D+3D MOT set-up J. Phys. B: At. Mol. Opt. Phys, 44, pp.115307 (2011)

  • R. Kollengode Easwaran*, L. Longchambon, P.-E. Pottie, V. Lorent and H. Perrin, and B. M.Garraway. Spectroscopy of a RF-dressed trap. Journal of Physics B, Atomic and molecular physics, 43, 065302 (2010)

  • O. Morizot, L. Longchambon, R. Kollengode Easwaran*, R. Dubessy, E. Knyazchyan, P.-E.Pottie, V. Lorent and H. Perrin. Influence of the Radio-Frequency source properties on RF- based atom traps. Eur. Phys. J. D 47, 209214 (2008).

Manuscript under Preparation

V S Chauhan, Dixith M, S Bhushan, R Kumar and Raghavan K . Easwaran, Dispersion measurement of Zeeman Electromagnetically Induced Transparency for Rubidium atoms inside Vapour cell using Spatial Light Modulator (2019)

V S Chauhan, Dixith M, S Bhushan, R Kumar and Raghavan K . Easwaran, Effect of angular momentum using hollow beam on Zeeman Electromagnetically Induced Transparency  (2019)

       Conference Proceedings and Presentations

  • Sumit Bhushan and Raghavan K. Easwaran*, "A compact and versatile design of two dimensional magneto optical trap for slow light experiments", DAE-BRNS National Laser Symposium -25 (NLS-25), CP-04.42, 108 (2016)

  • Sumit Bhushan and Raghavan K. Easwaran*, "Electromagnetically Induced Transparency based Quantum Memory in a Cold Atomic Medium in a 2D-Magneto Optical Trap" National Conference of Atomic and Molecular Physics-XXI (NCAMP), PS-1-4, 60 (2017)

  • Seminar given on 'Ring trap for Ultra cold atoms' Marie Curie Network, Atom Chips workshop,Sicily, Italy

  • Poster presented in ICAP 2006 International conference , Innsbruck , Austria - Rf-eld dressed ultracold atoms: adiabatic potentials, 2D trapping and vectorial coupling-induced evaporation.

  • Poster presented in IFRAF Workshop. Ecole Normale Superiere Paris - Influence of the Radio-Frequency source properties on RF-based atom traps.

  • Poster presented in Doctorants Workshop, Institute Galilee, Villetaneuse, France - Ultra coldatoms conned in 2D dressed potentials.

  • Poster presented in Indo-French Workshop 2005, Raman Research Institute Bangalore, India- Experimental Realisation of Bose-Einstein Condensates.

  • Poster presented in ICTP 2011 conference held at Goa, India - Sub-Doppler deep- cooled bosonic and fermionic isotopes of potassium in a compact 2D+-3D MOT set-up

  • Poster presented in ISAMP Conference, IISER Kolkata, (2012,  December), Hybrid trapping of ultracold potassium atoms.

  • Seminar given at University of Durham, United Kingdom , Ultracold atoms confined in a 2D and hybrid trap (February (2013).

  • Seminar given at University of Nottingham, United Kingdom, Ultracold atoms confined in a 2D and hybrid trap (January (2013).