Journal Publications

REFERRED JOURNALS

1. 1. Shubham Sharma, Akash Khamaru, Ajeet Kumar, Than Singh Saini, "PCF Technology-based Petrochemical oil sensor with improved sensitivity in the Terahertz regime", Microsystem Technologies, 2025 (Accepted Manuscript - links coming soon....)

   2. Shubham Sharma, Ajeet Kumar, Than Singh Saini, "Design and simulation of a terahertz sensor for blood components detection using photonic crystal fiber ", Journal of Electronic Materials, 2025 (Accepted Manuscript - links coming soon....)

   3. Akash Khamaru, Ajeet Kumar, "Au/PtSe2 based Surface Plasmon Resonance Photonic Crystal Fiber biosensor for Cancer and UTI Detection", Plasmonics, 2025 Read Full Article Download

   4. Akash Khamaru, Ajeet Kumar, "Highly Sensitive Graded Index PCF-based Refractometric SPR Sensor offering enhanced FOM" Plasmonics, Volume 20, 4499-4511, 2025 Read Full Article Download

   5. Arhee Bhuyan, Akash Khamaru, Ajeet Kumar, "Black Phosphorus based slotted D-shaped PCF SPR sensor for Cancer Detection", Plasmonics, Volume 20, 5201-5213, 2025 Read Full Article Download 

   6. Shubham Sharma, Ajeet Kumar, Than Singh Saini, "Design and Optimization of Refractive Index-Based Spiral Shape Twin-Core Photonic Crystal Fiber Sensor for Detection of Blood Components", Cell Biochemistry and Biophysics, 2025 Read Full Article Download

   7. Deepak Garg, Ajeet Kumar, "Dispersion-Engineered segmented core rib waveguide for coherent and broadband supercontinuum generation in both all-normal and anomalous regimes", Optical and Quantum Electronics, Vol. 57, 284, 2025 Read Full Article Download

   8. Plakshi Gupta, Akash Khamaru, Ajeet Kumar, "Black Phosphorus Based SPR Photonic Crystal Fiber Biosensor for Urinary Tract Infection Detection ", Plasmonics, 2025 Read Full Article Download

   9. Shubham Sharma, Ajeet Kumar, Than Singh Saini, "Design and Theoretical Analysis of a Dual-Core Photonic Crystal Fiber Temperature Sensor with Enhanced Sensitivity Across an Extended Temperature Range", Journal of Modern Optics, Vol. 72, No. 7-9, 218-227, 2025 Download 

   10. Drishti Singh Tomer, Ajeet Kumar, "Photonic Crystal Fibers infiltrated with Nitrobenzene with Low Peak Power Supercontinuum Generation in NIR to MIR region", Journal of Modern Optics, Vol. 72, No. 4-6, 175-187, 2025 Download 

   11. Preethi Krishnan, Akash Khamaru, Ajeet Kumar, "MXene coated concave shaped microchannel PCF SPR Biosensor for the detection of HIV and Sickle cell anaemia", Optical and Quantum Electronics, Vol. 57, 270, 2025 Read Full Article Download

   12. Deepak Garg, Ajeet Kumar, "Highly Coherent On-Chip Mid-Infrared Supercontinuum Generation from 1.5 to 25 μm in CdTe-based Rib Waveguide", Optical and Quantum Electronics, Vol. 57, No. 1, 96, 2025 Read Full Article Download

   13. Plakshi Gupta, Akash Khamaru, Ajeet Kumar, "Highly Sensitive Black Phosphorus Layered SPR-PCF Refractometric Sensor", Plasmonics, 2025 Read Full Article Download

   14. Shubham Sharma, Ajeet Kumar, Than Singh Saini, "Design and Simulation of a Square-Core Photonic Crystal Fiber- based chemical sensor to identify Ethanol, Benzene, and Water in the Terahertz regime," Journal of Condensed Matter, Volume 2(2) (2024) Download

   15. Devi Kangan B S, Akash Khamaru, Ajeet Kumar, "Design and analysis of Twin-Core Side-Polished SPR PCF Sensor for Preliminary Malaria Detection", Plasmonics, 2025 Read Full Article Download

   16. Deepak Garg, Ajeet Kumar, "CMOS compatible TeO2 -coated Si3N4 inverse parabolic rib waveguide for on-chip supercontinuum generation and high-resolution OCT",  Optical and Quantum Electronics, Vol. 56, No. 12, 1904 (2024) Read Full Article Download

   17. Jaydeep Singh, Akash Khamaru, Ajeet Kumar, "Spiral Shaped Highly Sensitive Rectangular PCF-based Cancer Cells Detector in Terahertz Regime", Physica Scripta, Vol. 99, No. 11, 115546, 2024 Download 

   18. Deepak Garg,  Akash Khamaru, Ajeet Kumar, "Ge-As-Se-Te chalcogenide based rib-waveguide for highly coherent on-chip mid-infrared supercontinuum generation: design and analysis", Optical and Quantum Electronics, Vol. 56, No. 10, 1643 (2024)  Read Full Article  Download

   19. Jaydeep Singh, Akash Khamaru, Ajeet Kumar, "A Refractive Index based Cancer Cells Sensor in Terahertz Spectrum: Design and Analysis" Journal of Optics, 2024    Read Full Article   Download 

   20. Deepak Garg, Jyotsna Singh, Ajeet Kumar, "Design and theoretical study of rectangular photonic crystal fiber based sensor for chemical sensing in terahertz regime" Indian Journal of Physics, Volume 99, pages 997–1005, (2025) Read Full Article   Download 

   21. Drishti Singh Tomer, Ajeet Kumar, “Ethanol-Infiltrated Circular Photonic Crystal Fiber for Low Peak Power Supercontinuum Generation from Near-Infrared to Mid-Infrared Region" Journal of Optics, 2024    Read Full Article     Download 

   22. Drishti Singh Tomer and Ajeet Kumar, “A Graded Index Hybrid Photonic Crystal Fiber for Supercontinuum Generation using AsSe2- As2S5, Journal of Optics,  Read Full Article    Download

   23. Deepak Garg,  Akash Khamaru, Ajeet Kumar, “Supercontinuum Generation in Ga-Sb-S Chalcogenide based PCF Using Optofluidic Approach” Microw Opt Technol Lett. 2024;66:e34316. Download  

   24. Akash Khamaru, Ajeet Kumar, "Ge-Se-Te based Penrose photonic quasi-crystal fiber for SCG covering 2–21 μm MIR regime" Optical Materials, Volume 155, 115849, 2024 Download

   25. Akash Khamaru, Ajeet Kumar, "As38Se62 based Segmented Clad-Graded Index Photonic Crystal Fiber for Supercontinuum Generation Covering 3- 9.5 μm with moderate peak power," Optical and Quantum Electronics, Vol. 56, No. 7, 1246, 2024 Read Full Article  Download

   26. Drishti Singh Tomer and Ajeet Kumar, "Design and numerical modeling of chalcogenide parabolic‐core waveguide for on‐chip supercontinuum generation extending from near‐IR region to mid‐IR region" Microwave and Optical Technology Letters 66, e34105 (2024) Download 

   27. Gurmeet Singh, Shubham Sharma, and Ajeet Kumar. "Design and simulation of solid‐core octagonal photonic crystal fiber for terahertz wave propagation" Microwave and Optical Technology Letters 66, no. 5  e34173 (2024) Download

   28. Gurmeet Singh, Shubham Sharma, and Ajeet Kumar, "Design and analysis of spider-web photonic crystal fiber in the terahertz regime" Indian Journal of Physics, Vol. 98, No. 8,  2917–2922 (2024) Read Full Article   Download

   29. Neeraj Singh, Akash Khamaru, and Ajeet Kumar. "Design and analysis of a rectangular core refractive index-based PCF sensor for bio-sensing application" Optical and Quantum Electronics, Volume 56, no. 7 p 1133 (2024) Read Full Article   Download 

   30. Reena Reena, Yogita Kalra and Ajeet Kumar, "Electromagnetically induced transparency-based metal dielectric metamaterial and its terahertz sensing application", Applied Optics, vol. 60(34), pp. 10610-10616, 2021 Download

   31. Rohan Sharma, Surleen Kaur, Pooja Chauhan, and Ajeet Kumar, "Computational Design & Analysis of GeSe2-As2Se3-PbSe Based Rib Waveguide for Mid-Infrared Supercontinuum Generation," Optik, Volume 220, October 2020, 165032  Download

   32. Pooja Chauhan, Ajeet Kumar, and Yogita Kalra, "Numerical exploration of coherent supercontinuum generation in multicomponent GeSe2-As2Se3-PbSe chalcogenide based photonic crystal fiber", Optical Fiber Technology, 54, p. 102100, 2020.   Download                                                                                    

   33. Pooja Chauhan, Ajeet Kumar, and Yogita Kalra, "Computational modeling of tellurite based photonic crystal fiber for infrared supercontinuum generation", Optik, 187, pp. 92-97, 2019. Download

   34. Pooja Chauhan, Ajeet Kumar, and Yogita Kalra, "A dispersion engineered silica-based photonic crystal fiber for supercontinuum generation in near-infrared wavelength region", Optik, 187, pp. 230-237, 2019. Download

   35. Reena Reena, Y. Kalra, and A. Kumar, “Fano Resonant Cuboidal Dielectric Nanoantennas”. Opt. Spectrosc. vol.127, pp. 1122–1127 (2019). Download

   36. Pooja Chauhan, Ajeet Kumar, Yogita Kalra, "Mid-infrared broadband supercontinuum generation in a highly nonlinear rectangular core chalcogenide photonic crystal fiber", Optical Fiber Technology, vol. 46, pp. 174-178 (2018). Download                                                                                                                          

   37. Reena Reena, Yogita Kalra, Ajeet Kumar,“Ellipsoidal all-dielectric Fano resonant core-shell metamaterials”, Superlattices and Microstructures, vol. 118, pp. 205-212 (2018). Download

   38. Priti Siwach, Ajeet Kumar, and Than Singh Saini, “Broadband supercontinuum generation spanning 1.5–13 μm in Ge11.5As24Se64.5 based chalcogenide glass step index optical fiber,” Optik, vol. 156, pp. 564–570 (2018). Download

   39. Utkarsh Nigam, Ajeet Kumar, and Than Singh Saini, “Numerical modeling of a single-mode optical fiber in bismuth oxide for slow-light generation based on stimulated Brillouin scattering,” Optik, vol. 157, pp. 1207–1213  (2018). Download

   40. SandeepYadav, Ajeet Kumar, Than Singh Saini, Ravindra Kumar Sinha, “SBS based slow-light generation in rectangular lattice graded-index photonic crystal fiber: design and analysis”, Optik, vol. 132, pp. 164 - 170 (2017). Download

   41. Than Singh Saini, Ajeet Kumar, and Ravindra Kumar Sinha, “Design and modeling of dispersion engineered rib waveguide for ultra broadband mid-infrared supercontinuum generation,” J. Modern Opt., vol. 64(2), pp. 143–149 (2017). Download

   42. A. G. N. Chaitanya, Than Singh Saini, Ajeet Kumar, and Ravindra Kumar Sinha, "Ultra broadband mid-IR supercontinuum generation in Ge11.5As24Se64.5 based chalcogenide graded-index photonic crystal fiber: design and analysis", Applied Optics, vol 55(36), pp. 10138-10145 (2016). Download

   43. Apurva Tewari, Ajeet Kumar, Than Singh Saini, Ravindra K. Sinha, "Design of As2se3 based chalcogenide ridge waveguide for generation of slow light", Optik, vol. 127(24), pp. 11816-11822, 2016. Download 

   44. Purniya Jamatia, Than Singh Saini, Ajeet Kumar, Ravindra Kumar Sinha, “Design and analysis of a highly nonlinear composite photonic crystal fiber for supercontinuum generation: visible to mid-IR” Applied Optics, vol. 55 (24), pp. 6775-6778, 2016. Download

   45. Varsha Jain, Shubham Sharma, Than Singh Saini, Ajeet Kumar, Ravindra Kumar Sinha, “Design and analysis of single-mode tellurite photonic crystal fibers for stimulated Brillouin scattering based slow-light generation” Applied Optics, vol. 55 (25), pp. 6791-6796, 2016. Download

   46. Reena, Yogita Kalra, Ajeet Kumar, Ravindra Kumar Sinha,"Tunable unidirectional scattering of ellipsoidal single nanoparticle," Journal of Applied Physics, vol. 119, pp.243102, 2016. Download

   47. Ajeet Kumar, Than Singh Saini, Kishor Dinkar Naik, Ravindra K. Sinha, “Large-mode-area single polarization single-mode photonic crystal fiber: design and analysis,” Applied Optics, vol. 55(19), pp. 4995 – 5000, 2016. Download

   48. Reena, Than Singh Saini, Ajeet Kumar, Yogita Kalra, Ravindra K. Sinha, “Rectangular-core large-mode-area photonic crystal fiber for high power applications: Design and analysis,” Applied Optics, vol. 55 (15), pp. 4095 – 4100, 2016. Download

   49. Than Singh Saini, Ajeet Kumar, and Ravindra Kumar Sinha, “Asymmetric large-mode-area photonic crystal fiber structure with effective single-mode operation: design and analysis,” Applied Optics, vol. 55(9), pp. 2306 – 2311, 2016. Download

   50. R. K. Sinha, A. Kumar and T. S. Saini, “Analysis and design of single-mode As2Se3-chalcogenide photonic crystal fiber for generation of slow light with tunable features,”IEEE J. Sel. Topics Quant. Electron, vol. 22(2), pp. 4900706, 2016. Download

   51. A. Kumar, T. S. Saini, and R. K. Sinha, "Design and analysis of photonic crystal biperiodic waveguide structure based optofluidic-gas sensor," Optik, vol. 126(24), pp. 5172-5175, 2015. Download

   52. R. Cherif, A. B. Salem, T. S Saini,  A. Kumar, R. K. Sinha, M. Zghal, "Design of small core tellurite photonic crystal fiber for slow-light-based application using stimulated Brillouin scattering", Optical Engineering, vol.54, pp. 0751010-75101-6 , 2015. Download

   53. T. S Saini, A. Kumar, R. K. Sinha, "Design and analysis of large-core multi-trench channel waveguide for high power applications", Applied Optics, vol. 54, pp. 6134-6139 2015. Download

   54. T. S Saini, A. Baili, A. Kumar, R. Cherif, M. Zghal, R. K. Sinha, "Design and analysis of equiangular spiral photonic crystal fiber for mid-infrared supercontinuum generation", Journal of modern optics, vol. 62(19), pp. 1570 – 1576, 2015. Download

   55. T. S Saini, A. Kumar, R. K. Sinha, "Design of large-mode-area microstrctured with single-mode operation for high power fiber lasers", Advanced Science Letters, vol. 21, pp. 2539–2543, 2015. Download

   56. T. S Saini, A. Kumar, R. K. Sinha, "Broadband mid-infrared supercontinuum spectra spanning 2–15 µm using As2Se3 chalcogenide glass triangular-core graded-index photonic crystal fiber", J. Lightwave Technol. vol. 33(18), pp. 3914– 3920 (2015) Download 

   57. T. S Saini, A. Kumar, R. K. Sinha, "Broadband mid-IR supercontinuum generation in As2Se3 based chalcogenide photonic crystal fiber: A new design and analysis" Optics Communication, vol. 347, pp. 13-19, 2015. Download

   58. T. S Saini, A. Kumar, R. K. Sinha, “Slow Light Generation in Single-Mode Tellurite Fibers”, Journal of Modern Optics, vol. 62, pp. 508-513, 2015. Download

   59. T. S. Saini, A. Kumar, and R. K. Sinha, "Triangular-core large-mode-area photonic crystal fiber with low bending loss for high power applications", Applied Optics, vol. 53, pp. 7246-7251, 2014. Download

   60. G. Prabhakar, A. Peer, V. Rastogi and A. Kumar, "Large effective area dispersion compensating fiber design based on dual core microstructure", Applied Optics, vol. 52, pp. 4505-4509, 2013. Download

   61. K. Kamakshi, V. Rastogi, A. Kumar, "Design and analysis of a refractive index sensor based on dual-core large-mode-area fiber", Optical Fiber Technology, vol. 19, pp. 325-329, 2013. Download

   62. N. Ashok, V. Rastogi,and A. Kumar, "Long-period-grating in a trench assisted planar optical waveguide", Applied Optics, vol. 52, pp. 1954-1962, 2013. Download

   63. Babita, V. Rastogi,and A. Kumar,“Design of large-mode-area three layered fiber structure for femtosecond laser pulse delivery”, Optics communication, vol. 293, pp. 108-112, 2013. Download

   64. N. Ashok, V. Rastogi, and A. Kumar, “Dual-core leaky optical waveguide as an integrated-optic polarizer” Optics  communication, vol.285, pp. 5094-5099,2012. Download

   65. A. Kumar, V. Rastogi, A. Agarawal and B.M.A. Rahman,“Birefringence analysis of segmented cladding fibre” Applied Optics, vol. 51, pp. 3104-3108, 2012. Download

   66. V. Rastogi, R. Kumar, and A. Kumar, “Large- effective-area all-solid dispersion compensating fiber” Journal of Optics, vol. 13,125707, 2011. Download

   67. V. Rastogi, N. Ashok,and A. Kumar, “Design and analysis of large -core high-GVD planar optical waveguide for dispersion compensation” Applied Physics B, vol. 105, pp. 821-824, 2011. Download

   68. A. Kumar and V. Rastogi, “Design and analysis of dual-shape-core large-mode-area optical fiber” Applied Optics, vol. 50, pp. E119-E124, 2011. Download

   69. B. Dussardier,V. Rastogi, A. Kumar, and G. Monnom, “Large mode area leaky optical fiber fabricated by MCVD” Applied Optics, vol. 50, pp. 3118-3122, 2011. Download

   70. K. Kamakshi, V. Rastogi, P. Kumar and A. Kumar, “Design of dual core resonant leaky optical fiber based gain flattening filters for erbium doped fiber amplifiers,” Optics  communication, vol. 283, pp. 5025-5027,2010. Download

   71. L. Labont´e, V. Rastogi, A. Kumar, B. Dussardier and G. Monnom, “Birefringence analysis of multilayer leaky cladding optical fibre”, Journal of Optics, vol. 12, 065705, 2010. Download

   72. K. Kamakshi, V. Rastogi, A. Kumar and J. Rai, “Design and fabrication of a single-mode optical fibre based refractive-index sensor,” Micro. Opt Technol Lett.,vol. 52, pp. 1408-1411, 2010. Download

   73. Ajeet Kumar, Vipul Rastogi, Charu Kakkar, and Bernard Dussardier, “Co-axial dual-core resonant leaky fibre for optical amplifiers”, Journal of Optics A, 10 (2008) 115306. Download

   74. Ajeet Kumar and Vipul Rastogi, “Multilayer cladding leaky planar waveguide for high power applications,” Applied Physics B, vol. 92, pp. 577-583, 2008. Download

   75. Ajeet Kumar, Vipul Rastogi and Kin Seng Chiang, “Large-core single-mode channel waveguide based on geometrically shaped leaky cladding,” Applied Physics B, vol .90, pp. 507-512, 2008. Download

   76. Ajeet Kumar and Vipul Rastogi, “Design and analysis of a multi-layer cladding large-mode-area optical fibre,” Journal of Optics A, 10 (2008) 015303. Download

   77. Ajeet Kumar, Vipul Rastogi and Kin Seng Chiang, “Leaky optical waveguide for high power applications,” Applied Physics B, vol. 85, pp. 11-16, 2006. Download