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International Journals

    2024
  1. A. Roy, S. Dey, A. Biswas and S. Ghosh, "Hosting exceptional point in all-lossy dual-core optical fiber and its exotic chiral light dynamics" Accepted (2024) Physica Scripta (IOP) [IF: 2.9]
  2. A. Laha, A. Miranowicz, R. K. Varshney and S. Ghosh, "Correlated non-reciprocity around conjugate exceptional points", Physical Review A, Accepted (2024). [IF: 3.140]
  3. S. Sadhukhan, and S. Ghosh, "Bandgap engineering and amplification in photonic time crystals" Journal of Optics (IOP), 26, 045601 (2024) [IF: 2.10]
  4. S. Roy, P. Biswas, A. Biswas and S. Ghosh, "Enhanced transmission capacity through a specialty multi-channel topological optical fiber" Optics Communications, 557, 130282 (2024) [IF: 2.310]
    5. 2022 - 23
  5. S. Dey, N. R. Das and S. Ghosh, "High Power Pulse Delivery Over a Short Distance Through an All-solid Anti-Resonant Microstructured Optical Fiber at 2 micrometer Wavelength" Optical Fiber Technology, Accepted [IF: 2.7]
  6. P. Biswas, B. P. Pal, and S. Ghosh, "Ultra-wide bandwidth all-solid specialty bandgap fiber for ultrashort pulse delivery" Optical and Quantum Electronics, 2023. Accepted [IF: 3.00]
  7. S. Sadhukhan and S. Ghosh, "Defect in photonic time crystals" Physical review A, 108, 023511 (2023). [IF: 3.140]
  8. S. Dey and S. Ghosh, "Exploring anomalous light dynamics around higher-order conjugate exceptional points with local nonlinearity" Physical review A, 108, 023508 (2023). [IF: 3.140]
  9. S. Bhattacherjee, J. Pannu, S. Mujumdar, and S. Ghosh, "Signature and kinetics of stochastic branching of light in disordered active photonic lattices" Optics communications, 545, 129744 (2023). [IF: 2.310]
  10. P. Biswas, and S. Ghosh, "Towards nonreciprocal pulse dynamics in a time-varying medium" Physica Scripta (IOP) 98, 035505 (2023) [IF: 3.081]
  11. S. Dey, A. Roy, and S. Ghosh, "Light dynamics around an exceptional point in a 1D photonic bandgap waveguide", Physica Scripta (IOP) 97, 085501 (2022) [IF: 3.081]
  12. D. Beniwal, A. Laha, and S. Ghosh, "Parametrically encircled higher-order exceptional points and successive state-switching in an all-lossy optical microcavity", Asian Journal of Physics 31, 3-6, 483-494 (2022). Invited
  13. S. Bhattacherjee, and S. Ghosh, "Signature of simultaneous onset of topological edge-state and transverse localized state in a 1-D specialty photonic lattice" Optics communication, 520, 128500, (2022). [IF: 2.310]
  14. A. Roy, S. Dey, A. Laha, A. Biswas, and S. Ghosh, "Exceptional Point induced asymmetric mode conversion in a dual-core optical fiber segment", Optics Letters, 47, 2546-2549 (2022) [IF: 3.776]
  15. A. Laha, S. Dey, and S. Ghosh "Reverse-chiral response of two T-symmetric optical systems hosting conjugate exceptional points" Physical review A, 105, 022203, (2022). [IF: 3.140]
  16. S. Dey, N. R. Das and S. Ghosh, "Exploring unconventional features of light dynamics in Aubrey-Andre-Harper model based quasi-periodic optical lattices" Optics communication, 506, 127593 (2022). [IF: 2.310]
    17. 2021
  17. A. Paul, A. Laha, and S. Ghosh, "Hosting of exceptional points in an atom-field interaction Hamiltonian and manipulation of light states," Physica Scripta (IOP), 96(7), 075503 (2021). [IF: 3.081]
  18. P. Biswas, S. Dey, and S. Ghosh, "Specialty topological fiber using periodic lattice geometries" Physical review A, 104, 043513 (2021). [IF: 3.140]
  19. S. Bhattacherjee, P. Biswas, and S. Ghosh, "Identifying topological signature of 1D photonic lattice by Zak phase analysis and towards robust amplification of edge state" Journal of Optics, 23, 095604 (2021). [IF: 2.516]
  20. A. Paul, A. Laha, S. Dey, and S. Ghosh, "Asymmetric guidance of multiple hybrid modes through a gain-loss-assisted planar coupled-waveguide system hosting higher-order exceptional points," Physical Review A (APS) 104(6), 063503 (2021). [IF: 3.140]
  21. S. Dey, A. Laha, and S. Ghosh, "Exotic light dynamics around an exceptional point of order four associated with three connecting second-order exceptional points," Journal of the Optical Society of America B (OSA) 38(4), 1297-1306 (2021). [IF: 2.106]
  22. A. Laha, D. Beniwal, and S. Ghosh, "Successive switching among four states in a gain-loss-assisted optical microcavity hosting exceptional points up to order four," Physical Review A (APS) 103(2), 023526 (2021). [IF: 3.140]
  23. S. Dey, A. Laha, and S. Ghosh, "Nonadiabatic modal dynamics around a third-order exceptional point in a planar waveguide," Optics Communications (Elsevier) 483, 126644 (2021). [IF: 2.310]
  24. P. Biswas, S. Ghosh, and B. P. Pal, "Spectral response of a short optical pulse in a dispersion oscillating specialty fiber with higher order nonlinearities" Asian Journal of Physics 30(1), 21-29 (2021). Invited
    25. 2020
  25. H. K. Gandhi, A. Laha, and S. Ghosh, "Ultrasensitive light confinement: Driven by multiple bound states in the continuum," Physical Review A 102, 033528 (2020). [IF: 3.140]
  26. J. Doley, A. Laha, S. Dey, and S. Ghosh, "Effect of a local nonlinearity on the light dynamics around an exceptional point: A quantitative analysis," Physical Review Research 2, 023371 (2020). [IF: 4.23]
  27. A. Laha, D. Beniwal, S. Dey, A. Biswas, and S. Ghosh, "Third-order exceptional point and successive switching among three states in an optical microcavity," Physical Review A 101, 063829 (2020). [IF: 3.140]
  28. A. Laha, S. Dey, H. K. Gandhi, A. Biswas, and S. Ghosh, "Exceptional point and toward mode selective optical isolation," ACS Photonics 7, 967-974 (2020). [IF: 7.529]
  29. S. Dey, A. Laha, and S. Ghosh, "Nonlinearity induced anomalous mode collapse and non-chiral asymmetric mode switching around multiple exceptional points," Physical Review B 101, 125432 (2020). [IF: 4.036]
  30. H. K. Gandhi, A. Laha, S. Dey, and S. Ghosh, "Chirality breakdown in the presence of multiple exceptional points and specific mode excitation," Optics Letters 45, 1439-1442 (2020). [IF: 3.776]
  31. S. Bhattacherjee, S. Mujumdar, and S. Ghosh, "Levy flight of superdiffusive light in coupled waveguide lattices," Physical Review Research 2, 012037(R) (2020). [IF: 4.23]
    32. 2019
  32. B. Bakshi, A. Barh, S. Ghosh, R. K. Varshney, and B. P. Pal, "Guided wave photonics for light sources, sensors and passive components at mid-IR," Asian Journal of Physics (Invited) 28, 877-889 (2019).
  33. S. Bhattacherjee, H. K. Gandhi, A. Laha, and S. Ghosh, "Higher-order topological degeneracies and progress towards unique successive state switching in a four-level open system," Physical Review A 100, 062124 (2019). [IF: 3.140]
  34. P. Biswas, and S. Ghosh, "Towards stable delivery of high energy through background-guided similariton pulses," Asian Journal of Physics (Invited) 28, 541-552 (2019).
  35. P. Biswas, H. K. Gandhi, and S. Ghosh, "Asymmetric propagation and limited wavelength translation of optical pulses through a linear dispersive time-dynamic system," Optics Letters 44, 3022-3025 (2019). [IF: 3.776]
  36. S. Bhattacherjee, A. Laha, and S. Ghosh, "Topological dynamics of an adiabatically varying Hamiltonian around third order exceptional points," Physica Scripta 94, 105509 (2019). [IF: 3.081]
  37. S. Bhattacherjee, A. Laha, and S. Ghosh, "Encounter of higher order exceptional singularities and towards cascaded state conversion," Physica Scripta 94, 085202 (2019). [IF: 3.081]
  38. A. Laha, A. Biswas, and S. Ghosh, "Minimally asymmetric state conversion around exceptional singularities in a specialty optical microcavity," Journal of Optics (IOP) 21, 025201 (2019). [IF: 2.516]
    39. 2018
  39. A. Laha, A. Biswas, and S. Ghosh, "Nonadiabatic modal dynamics around exceptional points in an all-lossy dual-mode optical waveguide: Toward chirality-driven asymmetric mode conversion," Physical Review Applied 10, 054008 (2018). [IF: 4.985]
  40. P. Biswas, H. K. Gandhi, V. Mishra, and S. Ghosh, "Propagation and asymmetric behavior of optical pulses through time-dynamic loss-gain-assisted media," Applied Optics 57, 7167-7171 (2018). [IF: 1.980]
  41. S. Ghosh, "Signature of phase singularities in diffusive regimes in disordered waveguide lattices: interplay and qualitative analysis," Applied Optics 57, 3669-3673 (2018). [IF: 1.980]
  42. S. Bhattacherjee, A. Biswas, and S. Ghosh, "Less-dispersive specialty optical fibers with an enhanced operational bandgap for applications in the mid-infrared region,"Journal of Optical Society of America B 35, 73-80 (2018). [IF: 2.106]
    43. 2017
  43. A. Roy, A. Biswas, R. K. Varshney and S. Ghosh, "Highly sensitive refractive index sensor based on degeneracy in specialty optical fibers: a new approach," Micro-System Technologies 26, 3063-3068, (2017). [IF: 2.276]
  44. P. Biswas, B. P. Pal, A. Biswas, and S. Ghosh, "Toward self-similar propagation of optical pulses in a dispersion tailored, nonlinear, and segmented Bragg-fiber at 2.8 micrometer," IEEE Photonics Journal 9, 7104412, (2017). [IF: 2.443]
  45. A. Laha, A. Biswas, and S. Ghosh, "Next nearest neighbor resonance coupling and exceptional singularities in degenerate optical microcavities," Journal of Optical Society of America B 34, 2050-2058 (2017). [IF: 2.106]
  46. A. Laha, and S. Ghosh, "Connected hidden singularities and toward successive state flipping in degenerate optical microcavities," Journal of Optical Society of America B 34, 238-244 (2017). [IF: 2.106]
    47. 2016
  47. S. Ghosh and Y. D. Chong, "Exceptional points and asymmetric mode conversion in quasi-guided dual-mode optical waveguides," Scientific Reports (Nature) 6, 19837 (2016). [IF: 4.379]
  48. A. Laha and S. Ghosh, "Suppression of excess noise of longer-lived high-quality states in nonuniformly pumped optical microcavities," Optics Letters 41, 942-945 (2016). [IF: 3.776]
  49. P. Biswas, P. Adhikary, A. Biswas, and S. Ghosh, "Formation and stability analysis of parabolic pulses through specialty microstructured optical fibers at 2.1 micrometer," Optics Communications 377, 120-127 (2016). [IF: 2.310]
    50. 2013 - 2015
  50. F. Liu, S. Ghosh, and Y. D. Chong, "Localization and adiabatic pumping in a generalized Aubry-Andre-Harper model,"Physical Review B 91, 014108 (2015). [IF: 4.036]
  51. A. Barh, S. Ghosh, R. K. Varshney, B. P. Pal, J. S. Sanghera, L. B. Shaw, and I. D. Aggarwal, "Mid-IR fiber optic light source around 6 micrometer through parametric wavelength translation," Laser Physics 24, 115401 (2014). [IF: 1.366]
  52. A. Barh, S. Ghosh, R. K. Varshney, and B. P. Pal, "A Tapered Chalcogenide Microstructured Optical Fiber for Mid-IR Parabolic Pulse Generation: Design and Performance Study," IEEE Journal of Selected Topics in Quantum Electronics 20, 590-596 (2014). [IF: 4.544]
  53. S. Ghosh, B. P. Pal, R. K. Varshney, and H. Ahmad, "Transverse localization of light in 1D disordered waveguide lattices in the presence of a photonic bandgap," Laser Physics 24, 045001 (2014). [IF: 1.366]
  54. A. Barh, S. Ghosh, R. K. Varshney, and B. P. Pal, "Ultra-large mode area microstructured core chalcogenide fiber design for mid-IR beam delivery," Optics Communications, 311, 129-133 (2013). [IF: 2.310]
  55. S. Ghosh, R. K. Varshney, and B. P. Pal, "Generation of a low divergent supercontinuum for mid-IR high power delivery through a large mode area photonic bandgap fiber," Laser Physics 23, 095105 (2013). [IF: 1.366]
  56. S. Ghosh, R. K. Varshney, and B. P. Pal, "Anderson localization of light in the presence of weak longitudinal modulation of the refractive index in 1D disordered waveguide lattices," Laser Physics Letters 10, 085002 (2013). [IF: 2.016]
  57. A. Barh, S. Ghosh, R. K. Varshney, and B. P. Pal, "An efficient broad-band mid-wave IR fiber optic light source: design and performance simulation," Optics Express 21, 9547-9555 (2013). [IF: 3.894] [*Selected in Advances in Engineering-breaking journal articles considered to be of importance to the progress in Engineering technologies]
  58. A. Barh, S. Ghosh, G. P. Agrawal, R. K. Varshney, I. D. Aggarwal, and B. P. Pal, "Design of an efficient mid-IR light source using chalcogenide holey fibers: a numerical study," Journal of Optics (IOP) 15, 035205 (2013). [IF: 2.516] [*Selected by the editors of Journal of Optics for inclusion in the exclusive 'Highlights of 2013' collection. Article is chosen on the basis of referee endorsement, novelty, scientific impact and broadness of appeal]
    59. 2007 - 2012
  59. S. Ghosh, B. P. Pal, R. K. Varshney, and G. P. Agrawal, "Transverse localization of light and its dependence on the phase front curvature of the input beam in a disordered optical waveguide lattice," Journal of Optics (IOP) 14, 075701 (2012). [IF: 2.516]
  60. S. Ghosh, B. P. Pal, and R. K. Varshney, "Role of optical nonlinearity on transverse localization of light in a disordered one-dimensional optical waveguide lattice," Optics Communications 285, 2785-2789 (2012). [IF: 2.310]
  61. S. Ghosh, N. D. Psaila, R. R. Thomson, B. P. Pal, R. K. Varshney, and A. K. Kar, "Ultra-fast laser inscribed waveguide lattice in glass for direct observation of transverse localization of light," Applied Physics Letters 100, 101102 (2012). [IF: 3.791]
  62. S. Ghosh, S. Dasgupta, R. K. Varshney, D. J. Richardson, and B. P. Pal, "Design of a photonic bandgap fiber with large mode area for mid-Infrared applications," Optics Express 19, 21295-21304 (2011). [IF: 3.894]
  63. S. Ghosh, G. P. Agrawal, B. P. Pal, and R. K. Varshney, "Localization of light in evanescently coupled disordered waveguide lattices: Dependence on the input beam profile," Optics Communications 284, 201-206 (2011). [IF: 2.310]
  64. S. Ghosh, R. K. Varshney, B. P. Pal, and G. Monnom, "A Bragg-like chirped clad all-solid microstructured optical fiber with ultra-wide bandwidth for short pulse delivery and pulse reshaping," Optical and Quantum Electronics 42, 1-14 (2010). [IF: 3.00]
  65. B. P. Pal, S. Ghosh, R. K. Varshney, S. Dasgupta, and A. Ghatak, "Loss and dispersion tailoring in 1D photonics band gap Bragg reflection waveguides: finite chirped claddings as a design tool," Optical and Quantum Electronics 39, 983-993 (2007). [IF: 3..00]

International Conferences

    2022-23
  1. S. Dey, N. R. Das and S Ghosh, "Localization Phase Transition in Quasi-Periodically Modulated Long-range Coupled Multicore Fiber", 8th International Conference on Computers and Devices for Communication, CODEC-2023, 14-16th December 2023, Kolkata, India
  2. J. Pannu, S. Bhattacherjee and S. Ghosh, "Wavefront shaping for enhanced branched in a disordered photonic lattice", Photonics 2023, Indian Institute of Science, Bangalore, 5-8 July 2023, India
  3. Sonam, P. Biswas, and S. Ghosh, "Signature of topological supermodes in a specialty periodic tri-lattice optical fiber", Photonics 2023, Indian Institute of Science, Bangalore, 5-8 July 2023, India
  4. S. Ghosh, S. Dey, A. Roy, and S. Ghosh, "Chiral dynamics of light in a planar waveguide without encircling an exceptional point", Indo-French conference on Frontiers in Photonics and Metamaterials (IFCFPM - 2023), April 20th - 22nd 2023, at Mahindra University, Hyderabad, India
  5. S. Sadhukhan, and S. Ghosh "Temporal defect and amplification in photonic time crystals", Indo-French conference on Frontiers in Photonics and Metamaterials (IFCFPM - 2023), April 20th - 22nd 2023, at Mahindra University, Hyderabad, India [Selected for best paper award- student category]
  6. S. Dey and S. Ghosh, "Robust reverse chiral light dynamics around conjugate exceptional points in1D photonic bandgap waveguides" CLEO/Europe-EQEC 2023, 26 - 30 June 2023, Munich, Germany
  7. S. Sadhukhan and S. Ghosh, "Significant Amplification of Optical Pulses in Photonic Time Crystals within Momentum-gap" Conference on Optics, Photonics and Quantum Optics (COPaQ-2022), paper 6444, Indian Institute of Technology Roorkee, India, November 2022.
  8. A. Laha, R. K. Varshney, and S. Ghosh, "Nonlinearity-Dependence on Nonreciprocal Light Transmission Around Two Conjugate Exceptional Points" Conference on Optics, Photonics and Quantum Optics (COPaQ-2022), paper 9977, Indian Institute of Technology Roorkee, India, November 2022.
  9. A. Roy, S. Dey, A. Laha, A. Biswas and S. Ghosh, "Selective mode conversions in a dual core optical fiber hosting multiple exceptional points" Frontiers in Optics + Laser Science, 17-20 October, Rochester, New York, United States, 2022.
  10. S. Sadhukhan, and S. Ghosh, "Bandgap engineering to control amplification in photonic time crystals" Frontiers in Optics + Laser Science, 17-20 October, Rochester, New York, United States, 2022.
  11. S. Dey, and S. Ghosh, "Specialty optical waveguides to host higher order conjugate exceptional points" Frontiers in Optics + Laser Science, 17-20 October, Rochester, New York, United States, 2022.
  12. D. Beniwal, A. Laha, and S. Ghosh, "Exceptional points and topological state-transfer phenomena in an Anti-PT-Symmetric microcavity" Frontiers in Optics + Laser Science, 17-20 October, Rochester, New York, United States, 2022.
  13. A. Laha, R. K. Varshney, and S. Ghosh, "Nonreciprocal light guidance in T-symmetric waveguides exhibiting conjugate exceptional points" Frontiers in Optics + Laser Science, 17-20 October 2022, Rochester, New York, United States, 2022.
    14. 2021
  14. S. Dey and S. Ghosh, "Hosting exceptional points in 1D photonic bandgap waveguide for mode engineering" 26th Optoelectronics and Communications Conference, P. Alexander Wai, H. Tam, and C. Yu, eds., OSA Technical Digest (Optical Society of America, 2021), paper W4C.5.
  15. A. Paul, A. Laha, S.dey and S. Ghosh " Exceptional points and non-chiral mode conversion of hybrid-modes in a manifold coupled planar waveguide" 26th Optoelectronics and Communications Conference, P. Alexander Wai, H. Tam, and C. Yu, eds., OSA Technical Digest (Optical Society of America, 2021), paper JS3E.9.
  16. S. Dey, M. Mishra, P. Biswas, N. Ranjan Das and S. Ghosh, "A Specialty Multicore Optical Fiber Using Aubry-AndreHarper Model Based Localization Phase Transition Frontiers in Optics and Laser Sciences (FiO+LS-2021), Technical Digest Series (Optica Publishing Group, 2021), paper JTu1A.85, Washington DC, United States, November 2021.
  17. A. Roy, S. Dey, A. Laha, A. Biswas, and S. Ghosh, "Hosting an exceptional point in a gain-loss assisted dual-core optical fiber segment", Frontiers in Optics and Laser Sciences (FiO+LS-2021), Technical Digest Series (Optica Publishing Group, 2021), paper JW7A.50, Washington DC, United States, November 2021.
  18. A. Laha, D. Beniwal, and S. Ghosh, "Third-order exceptional point and state-switching in an all-lossy microcavity," The JSAP-OSA Joint Symposia (82th Autumn Meeting of the Japan Society of Applied Physics), September 2021, paper 10a-N405-4, Virtual Web Conference, Japan.
    19. 2020
  19. A. Laha, S. Dey, H. K. Gandhi, and S. Ghosh, "Complementary optical systems to host conjugate exceptional points," Frontiers in Optics and Laser Sciences (FiO+LS-2020), OSA Technical Digest (online); paper FTu8E.5, Virtual web conference, September 2020.
  20. P. Biswas and S. Ghosh, "A specialty endless-core photonic bandgap fiber with ultra-wide bandwidth for short pulse propagation," Frontiers in Optics and Laser Sciences (FiO+LS-2020), OSA Technical Digest (online); paper JTu1A.29, Virtual web conference, September 2020.
  21. S. Dey, A. Laha, and S. Ghosh, "Modal dynamics around a fourth-order exceptional point in a planar optical waveguide," Frontiers in Optics and Laser Sciences (FiO+LS-2020), OSA Technical Digest (online); paper JTu1B.5, Virtual web conference, September 2020.
  22. A. Laha, D. Beniwal, and S. Ghosh, "State-switching around a fourth-order exceptional point in an optical microcavity," JSAP-OSA Joint Symposia 2020 (The 81st JSAP Autumn Meeting), Virtual web conference, September 2020.
  23. H. K. Gandhi, and S. Ghosh, "A specialty optical fiber to host optical bound state in the continuum," JSAP-OSA Joint Symposia 2020 (The 81st JSAP Autumn Meeting), Virtual web conference, September 2020.
  24. S. Bhattacherjee, and S. Ghosh, "Emergence of topological features in a periodic lattice operating at C-band," JSAP-OSA Joint Symposia 2020 (The 81st JSAP Autumn Meeting), Virtual web conference, September 2020.
  25. S. Bhattacherjee, and S. Ghosh, "Transverse localization of light: towards a paradigm shift from trivial to non-trivial lattice," Pacific Rim Conference on Lasers and Electro-Optics (CLEO-PR 2020), OSA Technical Digest (online); paper C1H_4, Virtual web conference, August 2020.
  26. H. K. Gandhi, and S. Ghosh, "Ultra-high sensitivity near multiple bound states in the continuum in microcavity resonators," Pacific Rim Conference on Lasers and Electro-Optics (CLEO-PR 2020), OSA Technical Digest (online); paper P4_7, Virtual web conference, August 2020.
    27. 2019
  27. A. Laha, S. Dey, H. K. Gandhi, A. Biswas, and S. Ghosh, "Mode selective optical isolation in an optical waveguide hosting an exceptional point," International Conference on Optics and Electro-optics (ICOL 2019), IRDE, DRDO-Dehradun, India, October 2019.
  28. D. Beniwal, A. Laha, and S. Ghosh, "Towards phase induced exceptional points and flip-of-states in an open optical system," International Conference on Optics and Electro-optics (ICOL 2019), IRDE, DRDO-Dehradun, India, October 2019.
  29. S. Dey, A. Laha, and S. Ghosh "Exceptional point and Toward Selective Mode Conversion in Multimode Optical Waveguides," International Conference on Optics and Electro-optics (ICOL 2019), IRDE, DRDO-Dehradun, India, October 2019.
  30. P. Biswas, and S. Ghosh, "Nonreciprocal light propagation in time varying medium," International conference on optics and electro-optics (ICOL-2019), IRDE, DRDO-Dehradun, India, October 2019. [Selected for SPIE student best paper award]
  31. S. Bhattacherjee, S. Mujumdar and S. Ghosh, "Levy flight of light in an active disordered waveguide lattice," International Conference on Optics and Electro-optics (ICOL 2019), IRDE, DRDO-Dehradun, India, October 2019.
  32. A. Laha, A. Biswas, and S. Ghosh, "Nonlinearity controlled asymmetric mode conversion in an optical waveguide hosting an exceptional point," JSAP-OSA Joint Symposia 2019 (The 80th Autumn Meeting of JSAP), OSA Technical Digest (online); paper 20p_E215_4, Hokkaido University, Sapporo Japan, September 2019.
  33. S. Bhattacherjee and S. Ghosh, "Random walk and toward Levy flight of light in waveguide lattice," JSAP-OSA Joint Symposia 2019 (The 80th Autumn Meeting of JSAP), OSA Technical Digest (online); paper 20p_E215_6, Hokkaido University, Sapporo Japan, September 2019.
  34. S. Dey, D. Beniwal, A. Laha, S. Ghosh, "Exceptional Point and Flip-of States in a Multilayer Microcavity," International Symposium on Photonics and Plasmonics (ISPP-2019), Central University of Rajasthan, India, September 2019. [Selected for best paper award student category]
  35. S. Dey, A. Laha, and S. Ghosh, "Selective mode switching around exceptional point in a few-mode optical waveguide," Workshop on Optics and Photonics: Theory and Computational Techniques (OPTCT-2019), IIT Delhi, India, March, 2019.
  36. A. Laha, S. Dey, A. Biswas, and S. Ghosh, "Topological control of state-flipping in a specialty optical microcavity," Workshop on Optics and Photonics: Theory and Computational Techniques (OPTCT-2019), IIT Delhi, India, March, 2019.
    37. 2018
  37. P. Biswas and S. Ghosh, "Towards pulse-preserving wide continuum generation," The International Conference on Fiber Optics and Photonics (PHOTONICS-2018), IIT Delhi, India, December 2018.
  38. Piyali Biswas, Harsh K. Gandhi, Bishnu P. Pal, and S. Ghosh, "Asymmetric pulse propagation through time-dynamic gain-loss assisted media," The International Conference on Fiber Optics and Photonics (PHOTONICS-2018), IIT Delhi, India, December 2018. [Selected for best paper award student category]
  39. Piyali Biswas, Ayush Poonia, and S. Ghosh, "Towards asymptotic propagation of background pulse guided optical waves through DDF," The International Conference on Fiber Optics and Photonics (PHOTONICS-2018), IIT Delhi, India, December 2018.
  40. A. Laha, A. Biswas, and S. Ghosh, "All-lossy dual-mode planar optical waveguide: towards chirality driven asymmetric mode-switching around exceptional points," The International Conference on Fiber Optics and Photonics (PHOTONICS-2018), IIT Delhi, India, December 2018.
  41. S. Bhattacherjee, A. Laha, and S. Ghosh, "Three state quantum system exhibiting third order exceptional singularities and flip-of-states," The International Conference on Fiber Optics and Photonics (PHOTONICS-2018), IIT Delhi, India, December 2018.
  42. A. Laha, A. Biswas, and S. Ghosh, "Signature of Exceptional Singularities in Open Optical Systems," Siegman International School on Laser, Isle of Hven, Sweden, July-August 2018.
  43. A. Laha, A. Biswas, and S. Ghosh, "All-lossy quasi-guided dual-mode optical waveguide exhibiting exceptional singularities," OSA Advanced Photonics Congress 2018, OSA Technical Digest (online); paper ITh4B.5, ETH Zurich, Switzerland, July 2018.
  44. P. Biswas and S. Ghosh, "Pulse reshaping and stable propagation through a chirped-clad dispersion oscillating Bragg fiber," OSA Advanced Photonics Congress 2018, OSA Technical Digest (online); paper JTh4A.3, ETH Zurich, Switzerland, July 2018.
    45. 2017
  45. A. Laha, A. Biswas, and S. Ghosh, "Adiabatic Optical State Conversion around Exceptional Singularities in an Optical Microcavity of Varying Width," International Conference of Advanced Optics and Photonics (ICAOP-2017), GJUST-Hisar, India, November, 2017.
  46. P. Biswas and S. Ghosh, "Quasi-CW propagation of similaritons through dispersion tailored Bragg fiber," Workshop on Recent Advances in Photonics (WRAP-2017), Hyderabad, India, November 2017.
  47. P. Biswas, S. Ghosh, R. K. Varshney, A. Biswas and, B. P. Pal, "Stable propagation of self-similar pulses through a chirped-clad all-solid Bragg fiber in the Mid-IR," Workshop on Specialty Optical Fiber and Their Applications (WSOF-2017), Limassol, Cyprus, October 2017.
  48. S. Ghosh, R. K. Varshney, and Bishnu P. Pal, "Diffusive dynamics and signature of phase singularities in gain/loss assisted disordered optical waveguide lattices," Frontiers in Optics and Laser Sciences (FiO+LS-2017), OSA Technical Digest (online); paper JTu3A.81, Washington, September 2017.
  49. P. Biswas, S. Ghosh, R. K. Varshney, A. Biswas and Bishnu P. Pal, "Parametric dependence of self-similar propagation of parabolic pulses in a dispersion oscillating fiber," The 24th Congress of International Commission for Optics (ICO-24), Tokyo, Japan, August 2017.
  50. S. Ghosh, R. K. Varshney, and Bishnu P. Pal "Controlling light beam dynamics in ordered and disordered waveguide lattices with gain and loss," The 24th Congress of International Commission for Optics (ICO-24), Tokyo, Japan, August 2017.
  51. A. Laha, A. Biswas, and S. Ghosh, "Cascaded state-flipping around exceptional points in an unconventional optical microcavity with balanced gain-loss," International Conference on Microelectronics, Circuits and Systems (MICRO-2017), Darjeeling, India, June 2017.
  52. A. Roy, A. Biswas, and S. Ghosh, "Inter-modal interactions and towards sensing in specialty optical fibers," International Conference on Microelectronics, Circuits and Systems (MICRO-2017), Darjeeling, India, June 2017.
  53. A. Laha and S. Ghosh, "Exceptional singularities in unconventional gain-loss optical microcavities", Workshop on Optics and Photonics: Theory and Computational Techniques (OPTCT-2017), IIT Delhi, India, March, 2017.
  54. S. Bhattacherjee, A. Biswas and S. Ghosh, "Towards ultra-large bandwidth in band-gap engineered specialty optical fibers: design and performance Study," Workshop on Optics and Photonics: Theory and Computational Techniques (OPTCT-2017), IIT Delhi, India, March, 2017.
  55. S. Ghosh and B. P. Pal, "Exceptional singularities in unconventional micro-cavities and waveguides," Workshop on Optics and Photonics: Theory and Computational Techniques (OPTCT-2017), IIT Delhi, India, March, 2017.
  56. A. Laha, A. Biswas and S. Ghosh, "Exploring possibilities and device applications of specially configured optical microcavities," International Workshop on Complex Photonics, TIFR, Mumbai, January 2017.
    57. 2015 - 2016
  57. P. Biswas, S. Ghosh, A. Biswas, and B. P. Pal, "Self-similar propagation in a dispersion managed and highly nonlinear segmented bandgap fiber in the mid-IR," Frontiers in Optics and Laser Sciences (FiO+LS-2016), OSA Technical Digest (online); paper JTh2A.51, Rochester, New York, USA, October 2016.
  58. A. Laha and S. Ghosh, "Exceptional line formation and flip-of-States in degenerate optical microcavities," JSAP-OSA Joint Symposia 2016 (The 77th JSAP Autumn Meeting), OSA Technical Digest (online); paper 16a-C301-3, Niigata City, Japan September 2016.
  59. A. Laha and S. Ghosh, "Controlled next-neighbor resonance coupling and hidden singularities in unconventional optical microcavities," The International Conference on Fiber Optics and Photonics (PHOTONICS-2016), OSA Technical Digest (online); paper Tu4A.28, IIT Kanpur, India, December 2016.
  60. P. Biswas, A. Biswas, and S. Ghosh, "Stability analysis of self-similar pulse propagation through dispersion oscillating specialty optical fibers," The International Conference on Fiber Optics and Photonics (PHOTONICS-2016), OSA Technical Digest (online); paper Tu4A.28, IIT Kanpur, India, December 2016.
  61. S. Ghosh and B. P. Pal, "Strong confinement of light in ultra-small volume via proximity resonances: interplay between noise and Q-factor," International Conference on Optics and Photonics (ICOP-2015), Kolkata, India, February 2015.
    62. 2013 - 2014
  62. B. P. Pal and S. Ghosh, "Confinement of Light in Disordered Photonic Lattices: A New Platform for Waveguidance", The International Conference on Fiber Optics and Photonics (PHOTONICS-2014), OSA Technical Digest (online); paper M2A.2, IIT Kharagpur, India, December 2014.
  63. S. Ghosh, R. K. Varshney, and B. P. Pal, "Anderson Localization of light: Experimental realization to technological applications", Photonics Summit, Copenhagen, Denmark, June 2014. [Invited]
  64. B. P. Pal, A. Barh, S. Ghosh and R. K. Varshney, "Mid-IR Photonics - Emerging Platform for Specialty Optical Fiber Designs," International Conference on Optics and Optoelectronics, Dehradun, India, March 2014.
  65. B. P. Pal, A. Barh, S. Ghosh, and R. K. Varshney, "Specialty optical fibers for mid-IR photonics," SPIE Photonics West, San Francisco, USA, February 2014. [Invited]
  66. A. Barh, S. Ghosh, R. K. Varshney, B. P. Pal, "Exploiting microstructured optical fiber platform for generating temporal parabolic pulse," Workshop on Recent Advances in Photonics, New Delhi, India, December 2013. [Selected for the Best Paper Award]
  67. A. Barh, S. Ghosh, R. K. Varshney, and B. P. Pal, "Design tailored efficient broad-band fiber optic light source for mid-IR molecular spectroscopy," Frontiers in Optics (FiO-2013), OSA Technical Digest (online); paper FW4B.3, Orlando, Florida, USA, October 2013.
  68. A. Barh, S. Ghosh, R. K. Varshney, and B. P. Pal, "All-fiber broadband mid-IR source through wavelength translation: Design and simulation," IEEE Photonics Conference, Bellevue Washington, USA, September 2013.
  69. A. Barh, S. Ghosh, R. K. Varshney, and B. P. Pal, "Design tailoring of microstructured fibers for all- fiber mid-IR light sources through wavelength translation", Workshop on Specialty Optical Fibers and their Applications, OSA Technical Digest (online); paper F2.31, Sigtuna, Sweden, August 2013.
  70. A. Barh, S. Ghosh, R. K. Varshney, and B. P. Pal, "Generation of temporal parabolic pulse in a tapered chalcogenide based microstructured optical fiber for the mid-IR: Design issues," International Conference on Materials for Advanced Technologies (ICMAT-2013), Singapore, June - July 2013.
  71. B. P. Pal, S. Ghosh, A. Barh and R. K. Varshney, "Specialty Fiber Designs for Mid-IR Applications," National Symposium Optical Society of India, Pondicherry, India, January 2013. [Invited]
  72. A. Barh, S. Ghosh, R. K. Varshney, and B. P. Pal, "Theoretical modeling for realizing a mid-IR fiber-based light source at 6.45 micrometer through wavelength translation," National Symposium Optical Society of India, Pondicherry, India, January 2013.
  73. S. Ghosh, R. K. Varshney, and B. P. Pal, "Anderson localization of light in simultaneous presence of index and disorders," National Symposium Optical Society of India, Pondicherry, India, January 2013.
    74. 2011 - 2012
  74. B. P. Pal, S. Ghosh, A. Barh and R. K. Varshney, "Microstructured optical fibers: an emerging fiber optics platform for application-specific specialty fiber designs," Photonics Global Conference 2012, Singapore, December 2012. [Invited]
  75. S. Ghosh, R. K. Varshney and B. P. Pal, "Effect of a weak longitudinal modulation in refractive index on transverse localization of light in 1D disordered waveguide lattices," Photonics Global Conference 2012, Singapore, December 2012.
  76. S. Ghosh, T. Naresh, R. K. Varshney, and B. P. Pal, "Generation of low divergent high-power supercontinuum through a large mode area photonic bandgap fiber," The International Conference on Fiber Optics and Photonics (PHOTONICS-2012), OSA Technical Digest (online); paper M1A.5, Chennai, India, December 2012.
  77. A. Barh, S. Ghosh, R. K. Varshney, and B. P. Pal, "Design of an efficient mid-wave IR fiber optic light source," The International Conference on Fiber Optics and Photonics (PHOTONICS-2012), OSA Technical Digest (online); paper TPo.35, Chennai, India, December 2012.
  78. B. P. Pal, S. Ghosh, and R. K. Varshney, "Microstructured Optical Fibers: Newest opportunity for fiber designers to realize a myriad of tailored application-specific optical fibers," The International Conference on Fiber Optics and Photonics (PHOTONICS-2012), OSA Technical Digest (online); paper M1A.2, Chennai, India, December 2012. [Invited]
  79. B. P. Pal, S. Ghosh, and R. K. Varshney, "Anderson localization of light in disordered waveguide lattices: A study from the perspective of random lasing," DAE-BRNS Symposium on Atomic, Molecular and Optical Physics, IISER Kolkata, India, December, 2012.
  80. S. Ghosh, A. Barh, G. P. Agrawal, R. K. Varshney, I. D. Aggarwal, and B. P. Pal, "Design of a microstructured optical fiber for efficient generation of new wavelength in mid-IR regime," Frontiers in Optics and Laser Sciences (FiO+LS-2012), OSA Technical Digest (online); paper FTh3C.6, Rochester, USA, October 2012.
  81. A. Barh, S. Ghosh, R. K. Varshney, and B. P. Pal, "Extremely large mode-area single-moded microstructured optical fiber for mid-IR high power delivery," JSAP-OSA Joint Symposia 2012 (The 73rd Autumn Meeting of JSAP), OSA Technical Digest (online); paper 13p-G1-5, Matsuyama, Ehime Japan, September 2012.
  82. S. Ghosh, T. Naresh, R. K. Varshney, and B. P. Pal, "A supercontinuum source for mid-IR applications using chalcogenide microstructured optical fiber," JSAP-OSA Joint Symposia 2012 (The 73rd Autumn Meeting of JSAP), OSA Technical Digest (online); paper 13p-G1-4, Matsuyama, Ehime Japan, September 2012.
  83. S. Ghosh, R. K. Varshney, and B. P. Pal, "Transverse Anderson localization of light in 1D disordered waveguide lattices," Asia Student Photonics Conference 2012, Osaka, Japan, September 2012. [Invited]
  84. S. Ghosh, R. K. Varshney and B. P. Pal, "Light propagation in disorder medium and mid-IR photonics", Oral presentation, UKIERI Workshop on Microstructured Optical Fibers, Southampton, UK, July 2012.
  85. S. Ghosh, B. P. Pal and R. K. Varshney, "Ultrafast laser inscribed glass waveguide lattices: a new and versatile platform for research on localization of light in disordered dielectrics," Indo-Singapore Joint Physics Symposium, New Delhi, India, February 2012.
  86. S. Ghosh, B. P. Pal and R. K. Varshney, "Transverse localization of light in the context of light propagation in photonic microstructures with disorder", UKIERI Workshop on Microstructured Optical Fibers, Kochi, India, December 2011.
  87. B. P. Pal, S. Ghosh, and R. K. Varshney, "Transverse localization of light: A new platform to study wave phenomenon in disordered optical media and potential applications," International Conference on Trends in Optics and Photonics (ICTOP-2011), Kolkata, India, December 2011.
  88. S. Ghosh, R. K. Varshney and B. P. Pal, "Localization of light in a disordered waveguide lattice with longitudinally modulated refractive index," Frontiers in optics and photonics (OSI symposium), New Delhi, India, December, 2011. [Selected for the Best Student Paper Award]
  89. S. Ghosh, N. D. Psaila, R. R. Thomson, B. P. Pal, R. K. Varshney, and A. K. Kar, "Transverse localization of light in laser inscripted disordered coupled waveguide lattices," Frontiers in Optics and Laser Sciences (FiO+LS-2011), OSA Technical Digest (online); paper FWM2, San Diego, California, USA, October 2011.
  90. B. P. Pal, S. Ghosh, D. Psaila, R. R. Thomson, R. K. Varshney, and A. K. Kar, "Ultrafast laser inscripted glass waveguide lattices: A new platform for research on transverse localization of light in disordered dielectric," International Conference on Specialty Glass and Optical Fiber (ICGF-2011), CGCRI-Kolkata, India, August 2011. [Invited]
  91. S. Ghosh, B. P. Pal, R. K. Varshney, Nicholas D. Psaila, R. R. Thomson, and Ajoy K. Kar, "Photonic bandgap and transverse localization of light in disordered waveguide lattices," UKIERI Workshop on Microstructured Optical Fibers, Southampton, UK, July 2011.
  92. S. Ghosh, S. Dasgupta, F. Poletti, R. K. Varshney, B. P. Pal, and David. J. Richardson, "Soft glass based large mode area photonic bandgap fiber for mid-infrared applications," The Optical Fiber Communication Conference and Exposition (OFC-2011), OSA Technical Digest (online); paper OTuA3, Los Angeles, CA, USA, March 2011.
  93. S. Ghosh, B. P. Pal and R. K. Varshney, "Application specific microstructured fibers", Oral presentation, UKIERI Workshop on Microstructured Optical Fibers, Aurangabad, India, March 2011.
    94. 2007 - 2010
  94. S. Ghosh, R. K. Varshney and B. P. Pal, "Parabolic pulse generation with highly reduced higher order dispersion effect in a tapered chirped-clad Bragg-fiber," The International Conference on Fiber Optics and Photonics (PHOTONICS-2010), Guwahati, India, December 2010.
  95. S. Ghosh, S. Dasgupta, D. J. Richardson, R. K. Varshney and B. P. Pal, "A soft glass based very large mode area Bragg fiber for high power delivery for mid-IR applications", The International Conference on Fiber Optics and Photonics (PHOTONICS-2010), Guwahati, India, December 2010. [Selected for the Best Student Paper Award by the OSA]
  96. S. Ghosh, R. K. Varshney and B. P. Pal, "Role of photonic bandgap and transverse localization of light in a coupled optical waveguide lattice," The International Conference on Fiber Optics and Photonics (PHOTONICS-2010), Guwahati, India, December 2010.
  97. S. Ghosh, B. P. Pal, R. K. Varshney, and G. P. Agrawal, "Role of nonlinearity and transverse localization of light in a disordered coupled optical waveguide lattice," Frontiers in Optics and Laser Sciences (FiO +LS-2010), OSA Technical Digest (online); paper JWA- 53, Rochester, New York, USA, October 2010.
  98. S. Ghosh, B. P. Pal, R. K. Varshney, and G. P. Agrawal, "Transverse localization of light and effect of nonlinearity in a disordered coupled optical waveguide lattice," Nice Days of Waves in Complex Media (NDWCM), Nice, France, June 2010.
  99. S. Ghosh, B. P. Pal and R. K. Varshney, "Transport dynamics and transverse localization of light in disordered waveguide lattices", UKIERI Workshop on Microstructured Optical Fibers, Jaipur, India, March 2010.
  100. Bishnu P. Pal, S. Ghosh, and R. K. Varshney, "Microstructured fibers and waveguides with a chirped cladding: a new versatile design platform to enhance their functionality," International Conference on Optics and Photonics (ICOP-2009), Chandigarh, India, November 2009. [Invited]
  101. S. Ghosh, G. P. Agrawal, R. K. Varshney and B. P. Pal, "Effect of phase front curvature on transverse localization of a light beam," Optoelectronics and Communications Conference (OECC-2009), Hong Kong, July 2009.
  102. S. Ghosh, R. K. Varshney and B. P. Pal, "A novel Bragg-like chirped clad fiber: design issues," International Conference on Materials for Advanced Technologies (ICMAT-2009), Singapore, June-July 2009.
  103. S. Ghosh, Govind P. Agrawal, R. K. Varshney and B. P. Pal, "Light localization in a 2D- disordered cylindrical medium for different input fields: a numerical study," The International Conference on Fiber Optics and Photonics (PHOTONICS-2008), IIT Delhi, India, December 2008. [Selected for the Best Student Paper Award by the OSA]
  104. S. Ghosh, R. K. Varshney and B. P. Pal, "Design of high negative dispersion all-solid Bragg-like fiber for dispersion compensation through chirped claddings", The International Conference on Fiber Optics and Photonics (PHOTONICS-2008), IIT Delhi, India, December 2008.
  105. S. Ghosh, B. P. Pal and R. K. Varshney, "Anderson localization of light in the presence of transverse disorder," Indo-Japan workshop on microstructured optical fibers, Kolkata, India, December 2008.
  106. S. Ghosh, R. K. Varshney, B. P. Pal, S. Dasgupta and A. K. Ghatak, "Loss and dispersion tailoring of a Bragg reflection waveguide with finite chirped cladding," Indo-Japan Workshop on Recent Advances in Optics and Photonics, New Delhi, India, December 2007.
  107. S. Dasgupta, S. Ghosh, R. K. Varshney, A. K. Ghatak, and B. P. Pal, "Analysis of chirped Bragg reflection waveguide with finite cladding," International Conference on Materials for Advanced Technologies (ICMAT-2007), Singapore, July 2007.

International Workshops

  1. S. Ghosh, R. K. Varshney, B. P. Pal, S. Dasgupta and A. K. Ghatak , “Loss and dispersion tailoring of a Bragg reflection waveguide with finite chirped cladding”, Poster presentation, Indo-Japan Workshop on Recent Advances in Optics and Photonics, 14th Dec, 2007, New Delhi, India.
  2. S. Ghosh, B. P. Pal and R. K. Varshney, “Anderson localization of light in the presence of transverse disorder”, Oral presentation, Indo-Japan workshop on microstructured optical fibers, 19th -20th December, 2008, Kolkata, India
  3. S. Ghosh, B. P. Pal and R. K. Varshney, “Transport dynamics and transverse localization of light in disordered waveguide lattices”, Oral presentation, “UKIERI Workshop on microstructured optical fibers”, 27th –28th March, 2010, Jaipur, India.
  4. S. Ghosh, B. P. Pal and R. K. Varshney, “Application specific microstructured fibers”, Oral presentation, “UKIERI Workshop on microstructured optical fibers”, 14th–15th March, 2011, Aurangabad, India.
  5. S. Ghosh, B. P. Pal, R. K. Varshney, Nicholas D. Psaila, R. R. Thomson, and Ajoy K. Kar, “Photonic bandgap and transverse localization of light in disordered waveguide lattices”, Oral presentation, “UKIERI Workshop on microstructured optical fibers”, 14th–15th July, 2011, London, UK.
  6. S. Ghosh, R. K. Varshney and B. P. Pal, “Localization of light in a disordered waveguide lattice with longitudinally modulated refractive index”, Oral presentation, OSI symposium, Frontiers in optics and photonics, 3-5 December, 2011, New Delhi, India. (Best Student Paper Award for high quality research papers presented by students in the oral session)
  7. S. Ghosh, B. P. Pal and R. K. Varshney, “Transverse localization of light in the context of light propagation in photonic microstructures with disorder”, Oral presentation, “UKIERI Workshop on microstructured optical fibers”, 15th–16th December, 2011, Kochi, India.
  8. S. Ghosh, B. P. Pal and R. K. Varshney, “Ultrafast laser inscribed glass waveguide lattices: a new and versatile platform for research on localization of light in disordered dielectrics”, Oral presentation, “Indo-Singapore Joint Physics Symposium”, 20th–22nd, February, 2012, New Delhi, India.
  9. S. Ghosh, R. K. Varshney and B. P. Pal, “Light propagation in disorder medium and mid-IR photonics”, Oral presentation, “UKIERI Workshop on microstructured optical fibers”, 17th–18th July, 2012, Southampton, UK.
  10. S. Ghosh, R. K. Varshney, and B. P. Pal, “Transverse Anderson localization of light in 1D disordered waveguide lattices”, Poster presentation, “Asia Student Photonics Conference 2012”, 15th -16th September 2012, Osaka, Japan. (invited)
  11. A. Barh, S. Ghosh, R. K. Varshney, and B. P. Pal, “Theoretical modeling for realizing a mid-IR fiber-based light source at 6.45 µm through wavelength translation”, “National Symposium Optical Society of India”, 23-25th January 2013, Pondicherry, India
  12. S. Ghosh, R. K. Varshney, and B. P. Pal, “Anderson localization of light in simultaneous presence of index and disorders”, “National Symposium Optical Society of India”, 23-25th January 2013, Pondicherry, India
  13. B. P. Pal, S. Ghosh, and R. K. Varshney, “Anderson localization of light in disordered waveguide lattices: A study from the perspective of random lasing”, DAE-BRNS Symposium on Atomic, Molecular and Optical Physics, 14-17th December, 2012, IISER Kolkata, India.
  14. B. P. Pal, S. Ghosh, A. Barh and R. K. Varshney, “Specialty Fiber Designs for Mid-IR Applications”, “National Symposium Optical Society of India”, 23-25th January 2013, Pondicherry, India (invited)
  15. A. Barh, S. Ghosh, R. K. Varshney, B. P. Pal, “Exploiting microstructured optical fiber platform for generating temporal parabolic pulse”, Workshop on Recent Advances in Photonics, 17-18th December 2013, New Delhi, India (Best Paper Award for high quality research presented in the poster session)
  16. S. Ghosh, R. K. Varshney, and B. P. Pal, “Anderson Localization of light: Experimental realization to technological applications”, Photonics Summit, 19-20 June 2014, Copenhagen, Denmark (invited)
  17. A. Laha, A. Biswas and S. Ghosh, “Exploring possibilities and device applications of specially configured optical microcavities” Int. Workshop on Complex Photonics, TIFR, Mumbai, 22nd-24th January, 2017
  18. S. Ghosh and B. P. Pal, “Exceptional singularities in unconventional micro-cavities and waveguides”, Workshop on Optics and Photonics: Theory and Computational Techniques, 4th-5th March, IIT Delhi, India, 2017
  19. A. Laha and S. Ghosh, “Exceptional singularities in unconventional gain-loss optical microcavities”, Workshop on Optics and Photonics: Theory and Computational Techniques, 4th-5th March, IIT Delhi, India, 2017
  20. S. Bhattacherjee, A. Biswas and S. Ghosh, “Towards ultra-large bandwidth in band-gap engineered specialty optical fibers: design and performance Study”, Workshop on Optics and Photonics: Theory and Computational Techniques, 4th-5th March, IIT Delhi, India, 2017
  21. A. Laha, A. Biswas and S. Ghosh, “Signature of Exceptional Singularities in Open Optical Systems” Siegman International School on Laser, Isle of Hven, Sweden, 28th July-4th August, 2018
  22. A. Laha, S. Dey, A. Biswas, and S. Ghosh, “Topological control of state-flipping in a specialty optical microcavity”, Workshop on Optics and Photonics: Theory and Computational Techniques, 23rd-24th March, IIT Delhi, India, 2019
  23. S. Dey, A. Laha, and S. Ghosh, “Selective mode switching around exceptional point in a few-mode optical waveguide”, Workshop on Optics and Photonics: Theory and Computational Techniques, 23rd-24th March, IIT Delhi, India, 2019

Invited Talk

  1. S. Ghosh, “Coupled passive and active optical systems with order and disorder: Avenues for confinement and moulding light”, Royal Society (UK)-DST (India) Workshop, Photonics Summit, 1st -2nd March 2014, New Delhi, India
  2. S. Ghosh, P. Biswas, A. Biswas, and B. P. Pal, "Towards Self-similar Propagation of High Power Optical Pulses in Specialty Optical Fibers" OPTRONIX-2016, 18th-20th August, 2016, Kolkata, India
  3. S. N. Ghosh, “Disordered photonics”, Micro-2017, 3rd -4th June, 2017, Darjeeling, India
  4. S. Ghosh, “Exceptional Singularities in Optical Structures”, Workshop on Recent Advances in Photonics, 18-19th December 2017, Hyderbad, India
  5. S. Ghosh, “Exceptional singularities in unconventional micro-cavities and waveguides” Int. Workshop on Complex Photonics, TIFR, 22nd-24th January, Mumbai, 2017
  6. S. Ghosh, “Exceptional points in optical structures: toward device applications” International Conference of Photonics, Metamaterials and Plasmonics, JIIT Noida, 15-16 February 2019, India
  7. S. Ghosh, “Delivery of high-power optical pulses and reshaping”, Photonics for detonics, 1-2 March 2019, Chandigarh, India
  8. A. Laha and S. Ghosh, “Device applications of an optical waveguide hosting an exceptional point”, Workshop on Optics and Photonics: Theory and Computational Techniques, 23rd-24th March, IIT Delhi, India, 2019
  9. S. Ghosh, “High Power Optical Pulses through Conventional, and Time-Varying Media and their Applications”, International Symposium on Photonics and Plasmonics (ISPP-2019), Central University of Rajasthan, Ajmer, 23-24 September 2019.
  10. S. Ghosh, “All-Optical Isolator for Integrated Optics Applications” 7th International Conference on Computers and Devices for Communication CODEC 2019, Kolkata, 19 - 20 December, 2019.