Journal Publications
Exploring the interplay of bulk and surface carrier dynamics in additive-engineered halide perovskites. Satakshi Gupta, L Hui, Paul L Burn, Sunil Kumar and Paul E Shaw Submitted (2025). Link
Emergence of half-metallic ferromagnetism and valley polarization in transition metal substituted WSTe monolayer. Shivani Kumawat, C.K. Vishwakarma, M. Zeeshan, I. Mal, Sunil Kumar and B.K. Mani Physical Review Materials (2025). Link
Generation of ultrafast user defined multi micro-pulse burst structure from a femtosecond mode-locked fibre oscillator by using semiconductor optical amplifier for photoinjector. Bappa Karmakar, A Aryshev, J Karmakar, M Aggarwal, B Sahu, P Patra, S Ghosh, P Mukhopadhyay, T Rao, and Sunil Kumar Review of Scientific Instruments (2025). Link
Superior self-healing properties of generic Poincarι beam. Rahul Joshi, B. Komal, G. Arora, Sunil Kumar and P. Senthilkumaran Journal of Optics (2025). Link
Control of ultrafast excitonic shift current induced THz emission from MoS2. Neetesh Dhakar and Sunil Kumar Submitted (2025). Link
Design and optimization of process parameters influencing the structure and microstructure of compact TiO2 thin films. Tajamul Wani, S Gupta, JK Anand, P Mishra, KM Sakshi, N Dhakar, HK Sharma, SS Roy, Sunil Kumar, KB Balasubramanian, A Goswami Submitted (2025). Link
THz probing of non-trivial topological states in Co2MnGe Heusler alloy thin films. Ekta Yadav, A Nivedan and Sunil Kumar Applied Physics Letters 125, 132406 (2024). Link
Significant enhancement in THz emission and piezoelectricity in atomically thin Nb-doped MoS2. Neetesh Dhakar, Z Pin, H Y Lee, S-W Kim, B Kumar, and Sunil Kumar ACS Applied Materials & Interfaces 16, 47477 (2024). Link
Analysis of Stokes singularities using lateral shear interferometer. Rahul Joshi, B Komal, Sunil Kumar, P Senthilkumaran Optics Continuum 3, 1180 (2024). Link
Unveiling surface and bulk contributions in THz emission from Bi2Te3. Anand Nivedan and Sunil Kumar New Journal of Physics 26, 033044 (2024). Link
Intrinsic free carrier absorption limited THz generation from Bi2Te3 and Bi2Se3 topological insulators. Anand Nivedan and Sunil Kumar Applied Physics Letters 124, 091109 (2024). Link
Polarization singularity index determination using wedge plate lateral shear interferometry. Baby Komal, R Joshi, Sunil Kumar, P Senthilkumaran Optics and Lasers in Engineering 177, 108119 (2024). Link
Terahertz optical fibers in Roadmap on specialty optical fibers Anjali and Sunil Kumar Journal of Physics: Photonics (2024). Link
Probing defect induced room temperature ferromagnetism in Chemical Vapor Deposition grown MoO3 flakes: A correlation with electronic structure and first principle-based calculations. Sharmistha Dey, V Mishra, N Dhakar, Sunil Kumar, P Srivastava, S Ghosh Journal of Alloys and Compounds 980, 173650 (2024). Link
Ultrafast THz probing of nonlocal orbital current in transverse multilayer metallic heterostructures. Sandeep Kumar and Sunil Kumar Nature Communications 14, 8185 (2023). Link
Ultrafast terahertz spin and orbital transport in magnetic/nonmagnetic multilayer heterostructures and a perspective. Sandeep Kumar and Sunil Kumar Journal of Applied Physics 134, 170901 (2023). Link
Intrinsically dominated anomalous Hall effect in epitaxial Co2MnGe ferromagnetic full Heusler alloy thin films. Ekta Yadav and Sunil Kumar RSC Advances 13, 30101 (2023). Link
Resistive switching and battery-like characteristics in highly transparent Ta2O5/ITO thin-films. Darshika Khone, S Kumar, M Balal, SR Barman, Sunil Kumar and AS Rana Scientific Reports 13, 14297 (2023). Link
An interplay between optical rectification and transient photocurrent effect on THz pulse generation from bulk MoS2 layered crystal. Neetesh Dhakar, S Kumar, A Nivedan and Sunil Kumar Journal of Physics D: Applied Physics 56, 435105 (2023). Link
Excitation wavelength-dependent ultrafast THz emission from surface and bulk of three-dimensional topological insulators. Anand Nivedan and Sunil Kumar Journal of Physics D: Applied Physics 56, 255101 (2023). Link
Actively tunable Graphene ribbon based multi-band THz polarizer with a high extinction ratio. Anjali, RK Varshney and Sunil Kumar Journal of the Optical Society of America B 40, 1688 (2023). Link
Strong impact of crystalline twins on the amplitude and azimuthal dependence of THz emission from epitaxial NiO/Pt. Rekha Agarwal, S Kumar, N Chowdhury, KIA Khan, E Yadav, Sunil Kumar and PK Muduli Applied Physics Letters 122, 082403 (2023). Link
Role of symmetry in self-healing of singular beams. Baby Komal, G Arora, Sunil Kumar and P Senthilkumaran Applied Physics B 129, 29 (2023). Link
Hybrid thermo-physical modelling and experimentation of ultrafast laser-based fabrication of polycrystalline core-amorphous shell nitinol nanoparticles. Vinod Parmar, S Singh, A Singh, Sunil Kumar, D Kalyanasundaram Optics and Laser Technology 165, 109575 (2023). Link
Visible and NIR-Light Photoactivatable o-Hydroxycinnamate System for Efficient Drug Release with Fluorescence Monitoring. Ajay Gupta, N Singh, A Gautam, N Dhakar, Sunil Kumar and P Sasmal RSC Med. Chem. 14, 1088-1100 (2023). Link
Role of position specific Ga and N vacancy in tailoring the ferromagnetic properties of thin GaN films. Sharmistha Dey, P Singh, V Mishra, N Dhakar, Sunil Kumar, F Singh, P Srivastava, S Ghosh Solid State Communications 371, 115232 (2023). Link
Generation and beam steering of THz radiation in an actively modulated nonlinear crystal. Vikas Kumar, R Varshney and Sunil Kumar Optics Communications 526, 128950 (2022). Link
Functional Thin Films for Perovskite Solar Cells. Feng Wang and Sunil Kumar Coatings 12, 952 (2022). Link
Large interfacial contribution to ultrafast THz emission by inverse spin Hall effect in CoFeB/Ta heterostructure. Sandeep Kumar and Sunil Kumar iScience 25, 104718 (2022). Link See the Supplementary Information also.
Ultrafast light-induced THz switching in exchange-biased Fe/Pt spintronic heterostructure. Sandeep Kumar and Sunil Kumar Applied Physics Letters 120, 202403 (2022). Link Published as Editor's pick article in the Journal.
Ultrafast, broadband and tunable THz reflector and neutral density filter based on high resistivity silicon. Jerome Degert, M Tondusson, V Freysz, E Abraham, Sunil Kumar and E Freysz Optics Express 30, 18995-19004 (2022). Link
THz photonics and optoelectronics of carbon-based nanosystems. Arvind Singh and Sunil Kumar Journal of Applied Physics 131, 160901 (2022). Link
Self-healing of vector field singularities. Baby Komal, G Arora, Sunil Kumar and P Senthilkumaran Optics Communications 524, 128796 (2022). Link
Phonon Bottleneck in Temperature-Dependent Hot Carrier Relaxation in Graphene Oxide. Arvind Singh and Sunil Kumar Journal of Physical Chemistry C 125, 26583 (2021). Link
Optical Damage Limit of Efficient Spintronic THz Emitters. Sandeep Kumar, A Nivedan, A Singh, Y Kumar, P Malhotra, M Tondusson, E Freysz, and Sunil Kumar iScience 24, 103152 (2021). Link See the Supplementary information also.
Sub-bandgap activated charges transfer in a graphene-MoS2-graphene heterostructure. Sunil Kumar, A Singh, A Nivedan, S Kumar, SJ Yun, YH Lee, M Tondusson, J Degert, J Oberle, E Freysz Nano Select 2(10), 2019 (2021). Link See the Supplementary information also.
Plasmonic charge transfers in large-scale metallic and colloidal photonic crystal slabs. Swagato Sarkar, V Gupta, T Tsuda, J Gour, A Singh, O Aftenieva, A M Steiner, M Hoffmann, Sunil Kumar, A Fery, J Joseph, TAF Kφnig Advanced Functional Materials 31, 2011099 (2021). Link
Mitochondria-Targeted Photoactivatable Real-Time Monitoring of a Controlled Drug Delivery Platform. Neelu Singh, P Prasad, RK Sah, A Gupta, A Singh, Sunil Kumar, S Singh, S Gupta, and PK Sasmal Journal of Medicinal Chemistry 64, 17813 (2021). Link
THz pulses from optically excited Fe, Pt and Ta based Spintronic Heterostructures. Sandeep Kumar, A Nivedan, A Singh and Sunil Kumar Pramana Journal of Physics 95, 75 (2021). Link Preprint at https://arxiv.org/abs/2101.04969
Enhancement in optically induced ultrafast THz conductivity in MoSe2MoS2 heterobilayer. Sunil Kumar, A Singh, S Kumar, A Nivedan, M Tondusson, J Degert, J Oberle, SJ Yun, YH Lee, E Freysz Optics Express 29(3), 4181-4190 (2021). Link See the Supplementary information also.
Emergence and origin of temperature-dependent white-light emission from two-dimensional hybrids. Madhu Bochalya, A Nivedan, S Kumar, A Singh, and Sunil Kumar Journal of Materials Chemistry C 9, 5998 (2021). Link
Temperature-dependent ultrafast response and pi-plasmon dynamics in single walled carbon nanotubes. Arvind Singh, S Kumar, A Nivedan, and Sunil Kumar Journal of Physical Chemistry Letters 12, 627-632 (2021). Link
Helicity inversion and generation of orthogonal, degenerate index states of generic C points. Baby Komal, S Deepa, SK Pal, BS Bhargava Ram, Sunil Kumar, and P Senthilkumaran Journal of Optics 23, 114001 (2021). Link
Polarization singularity index determination by using a tilted lens. Baby Komal, D Sathyanarayanan, Sunil Kumar, P Senthilkumaran Applied Optics 60, 3266 (2021). Link
Thermo-physical modeling and experimental validation of core-shell nanoparticle fabrication of nickel-titanium (nitinol) alloy. Vinod Parmar, S Singh, Sunil Kumar, G Prakash, and D Kalyanasundaram Optics and Laser Technology 138, 106880 (2021). Link
Optical and Terahertz Response of Carbon Nanostructures. Arvind Singh and Sunil Kumar Asian Journal of Physics 30(4), 633-654 (2021). Link Preprint at https://arxiv.org/abs/2104.06122
Compact and efficient polarization splitter based on dual core microstructured fiber for THz photonics. Vikas Kumar, RK Varshney, and Sunil Kumar Results in Optics 4, 100094 (2021). Link
Role of H-bond along with oxygen and zinc vacancies in the enhancement of ferromagnetic behavior of ZnO films: an experimental and first principle-based study. Preetam Singh, V Mishra, S Barman, SR Barman, M Balal, S R Barma, A Singh, Sunil Kumar, R Ramachandran, P Srivastava, and S Ghosh Journal of Alloys and Compounds 889,161663 (2021). Link
Tuning of ferromagnetic behavior of GaN films by N ion implantation: an experimental and first principle-based study. Preetam Singh, S Ghosh, V Mishra, S Barman, SR Barman, A Singh, Sunil Kumar, Z Li, U Kentsch, P Srivastava Journal of Magnetism and Magnetic Materials 523, 167630 (2021). Link
Study of Eutectic Etching Process for Defects Analysis in n-type 4H-SiC. Pooja Pal, Sunil Kumar and S.K. Singh Defense Science Journal 70(5), 515 (2020). Link
Defect mediated modification of structural, optical and magnetic properties of Xe3+ ions irradiated GaN/sapphire films. Preetam Singh, S Ghosh, A Singh, Sunil Kumar, S Ojha, P Srivastava Nuc. Inst. Meth. Phys. Res. B 466, 61 (2020). Link
Lead-Free Two-Dimensional (R-NH3)2MX4 Inorganic-Organic Hybrids: Solid-Solid Phase Transitions
and Broadband Emission.
Madhu Bochalya and Sunil Kumar
Journal of Physics D: Applied Physics 53, 444002 (2020).
Link
Magnetic field-dependent resistance crossover and anomalous magnetoresistance in topological insulator Bi2Te3. Anand Nivedan, K Das, S Kumar, A Singh, S Mardanya, A Agarwal and Sunil Kumar Journal of Physics: Condensed Matter 32, 425002 (2020). Link
Photo-Seebeck effect in single-crystalline bismuth telluride topological insulator. Anand Nivedan, A Singh, S Kumar and Sunil Kumar Applied Physics Letters 116, 141902 (2020). Link
Design of a compact and broadband THz polarization splitter based on gradient dual core photonic crystal fiber. Vikas Kumar, RK Varshney and Sunil Kumar Applied Optics 59(7), 1974 (2020). Link
Magnetocaloric Effect in Alkylammonium Copper Halides Layered Inorganic-Organic Systems. Madhu Bochalya and Sunil Kumar Journal of Applied Physics 127(5), 055501 (2020). Link
Terahertz Generation by Four-Wave Mixing and Guidance in Diatomic Teflon Photonic Crystal Fibers. Vikas Kumar, RK Varshney and Sunil Kumar Optics Communications 454, 124460 (2020). Link
Impurity assisted hopping-conduction and persistent-photoconductivity in disordered carbon nanoparticle film. Arvind Singh, A. Nivedan, S. Kumar, and Sunil Kumar Journal of Applied Physics 126(22), 225102 (2019). Link
Structural and optical diversity in copper halide-based ferromagnetic inorganic-organic layered hybrids. Madhu Bochalya, P. Kanaujia, G.V. Prakash, and Sunil Kumar J. Solid State Chem. 273, 219-225 (2019). Link
Magnetism and phase segregation in two-dimensional inorganic-organic (C12H25NH3)2Cu1-yMnyCl4 hybrids. Madhu Bochalya, G.V. Prakash, and Sunil Kumar J. Solid State Chem. 273, 32-36 (2019). Link
Self-functionalized ultrastable water suspension of luminescent carbon quantum dots. Arvind Singh, P. Mahapatra, D. Kalyanasundaram, and Sunil Kumar Materials Chemistry and Physics 225, 23-27 (2019). Link
Coherent centres for light amplification in coupled waveguide arrays. A. Tripathi and Sunil Kumar Optics Communications 418, 1621 (2018). Link
Coherently enhanced chirp CARS microscopy by notch filtering. L. Ren, H. Frostig, Sunil Kumar, I. Hurwitz and Yaron Silberberg Optics Express 25(23), 28201 (2017). Link
Single-pulse CARS based multimodal nonlinear optical microscope for bioimaging. Sunil Kumar, T. Kamali, J.M. Levitte, Ori Katz, B. Hermann, R. Werkmeister, B. Povaay, W. Drexler, A. Unterhuber, and Yaron Silberberg Optics Express 23(10) 13082 (2015). Link
Hybrid single source online Fourier transform coherent anti-Stokes Raman scattering / optical coherence tomography. T. Kamali, B. Povaay, Sunil Kumar, Yaron Silberberg, B. Hermann, R. Werkmeister, W. Drexler, and A. Unterhuber Optics Letters 39 5709-5712 (2014). Link
Signatures of superconducting and pseudogap phases in ultrafast transient reflectivity of Ca(Fe0.927Co0.073)2As2. Sunil Kumar, L. Harnagea, S. Wurmehl, B. Buechner, and A. K. Sood Europhysics Letters 105, 47004 (2014). Link
Tuning ultrafast photoresponse of gold nanorods. Sunil Kumar, M. Anija, and A. K. Sood Plasmonics 8, 1477-1483 (2013). Link
Ultrafast photoinduced enhancement of nonlinear optical response in 15-atom gold clusters on indium tin oxide conducting film. Sunil Kumar, E. S. Shibu, T. Pradeep, and A. K. Sood Optics Express 21, 8483-8492 (2013). Link
Gap-dependent quasiparticle dynamics and coherent acoustic phonons in parent iron pnictide CaFe2As2 across spin density wave phase transition. Sunil Kumar, L. Harnagea, S. Wurmehl, B. Buchner, and A. K. Sood Journal of Physical Society of Japan 82, 044715-044723 (2013). Link
Ultrafast quasiparticle dynamics in superconducting iron pnictide Ca(Fe0.944Co0.056)2As2. Sunil Kumar, L. Harnagea, S. Wurmehl, B. Buchner, and A. K. Sood Solid State Communication 160, 8-12 (2013). Link
Acoustic and optical phonon dynamics from ultrafast time-resolved optical spectroscopy of superconducting Ca(Fe0.944Co0.056)2As2 iron pnictide. Sunil Kumar, L. Harnagea, S. Wurmehl, B. Buchner, and A. K. Sood Europhysics Letters 100, 57007-57012 (2012). Link
Probing ultrafast carrier dynamics and nonlinear absorption and refraction in core-shell silicon nanowires. Sunil Kumar, M. Khorasaninejad, M. M. Adachi, K. S. Karim, S. S. Saini, A. K. Sood Pramana Journal of Physics 79, 471-481 (2012). Link
Coherent phonons in Pyrochlore titanates A2Ti2O7 (A=Dy, Gd and Tb): a phase transition in Dy2Ti2O7 at 110 K. N. Kamaraju, Sunil Kumar, S. Saha, S. Singh, R. Suryanarayanan, A. Revcolevschi, and A.K. Sood Physical Review B 83, 134104-134109 (2011). Link
Femtosecond photoexcited carrier dynamics in reduced graphene oxide suspensions and films. Sunil Kumar, N.Kamaraju, K. S. Vasu and A. K. Sood International Journal of Nanoscience 10, 669-673 (2010). Link
Ultrafast dynamics of gold nanorods: Tuning between photo-bleaching and photo-induced absorption. M. Anija, Sunil Kumar, N.Kamaraju, Neha Tiwari, S.K. Kulkarni and A.K. Sood International Journal of Nanoscience 10, 687-691 (2010). Link
Graphene analogue BCN: femtosecond nonlinear optical susceptibility and hot carrier dynamics. Sunil Kumar, N. Kamaraju, K. S. Vasu, A. Nag, A. K. Sood, and C. N. R. Rao Chemical Physics Letters 499, 152-157 (2010). Link
Influence of two photon absorption induced free carriers on coherent polariton and phonon generation in ZnTe crystals. N. Kamaraju, Sunil Kumar, E. Freysz, and A. K. Sood Journal of Applied Physics 107, 103102-103106 (2010). Link
Terahertz spectroscopy of single walled carbon nanotubes embedded polymer films: observation of low frequency phonons. Sunil Kumar, N. Kamaraju, B. Karthikeyan, M. Tondusson, E. Freysz, and A. K. Sood Journal of Physical Chemistry C 114, 12446-12450 (2010). Link
Temperature-dependent chirped coherent phonon dynamics in Bi2Te3 using high intensity femtosecond laser pulses. N. Kamaraju, Sunil Kumar, and A. K. Sood Europhysics Letters 92, 47007-47012 (2010). Link
Large-amplitude chirped coherent phonons in tellurium mediated by ultrafast photoexcited carrier diffusion. N. Kamaraju, Sunil Kumar, M. Anija, and A. K. Sood Physical Review B 82, 195202-195208 (2010). Link
Terahertz time domain spectroscopy of low frequency vibrations of double walled carbon nanotubes. Sunil Kumar, N.Kamaraju, A. Moravsky, R. O. Loutfy, M. Tondusson, E. Freysz, and A. K. Sood European Journal of Inorganic Chemistry 2010, 4363-4366 (2010). Link
Direct observation of low frequency confined acoustic phonons in silver nanoparticles: Terahertz time domain spectroscopy. Sunil Kumar, N. Kamaraju, B. Karthikeyan, M. Tondusson, E. Freysz, and A. K. Sood Journal of Chemical Physics 133, 014502-014506 (2010). Link
Ultrafast switching time and third order nonlinear coefficients of microwave treated single walled carbon nanotube suspensions. N. Kamaraju, Sunil Kumar, B. Karthikeyan, B. Kakade, V. K. Pillai, and A. K. Sood Journal of Nanoscience and Nanotechnology 9, 5550-5554 (2009). Link
Femtosecond carrier dynamics and saturable absorption in graphene suspensions. Sunil Kumar, M. Anija, N. Kamaraju, K. S. Vasu, K.S. Subramanyam, A. K. Sood and C. N. R. Rao Applied Physics Letters 95, 191911-191913 (2009). Link
Double walled carbon nanotubes as ultrafast optical switches. N. Kamaraju, Sunil Kumar, Y. A. Kim, T. Hayashi, H. Muramatsu, M. Endo, and A. K. Sood Applied Physics Letters 95, 081106-081108 (2009). Link
Ultrafast electron dynamics and cubic optical nonlinearity of free standing thin film of double walled carbon nanotubes. N. Kamaraju, Sunil Kumar, B. Karthikeyan, A. Moravsky, R. O. Lutfy, and A. K. Sood Applied Physics Letters 93, 091903-091905 (2008). Link
Large nonlinear absorption and refraction coefficients of carbon nanotubes estimated from femtosecond Z-scan measurements. N. Kamaraju, Sunil Kumar, A. K. Sood, S. Guha, S. Krishnamurthy, and C. N. R. Rao Applied Physics Letters 91, 251103-251105 (2007). Link
Books/Book Chapters
Photonic Crystal Fibers for THz Applications.
Vikas Kumar, H Mondal and Sunil Kumar
Photonic Crystal Fibers (PCFs) - Advances in Research and Applications, pp 137-182 (2024), (Nova Science Publishers, Inc. New York).
https://doi.org/10.52305/PWCW7505
Ultrafast response of plasmonic nanostructures.
Sunil Kumar and A. K. Sood
Reviews in Plasmonics 2015, pp 131-167 (2016), (Springer International Publishing, AG Switzerland).
https://doi.org/10.1007/978-3-319-24606-2_6
Recent Conference Proceedings
Terahertz Photocurrent Response from Ultrafast Optically Excited Atomically Thin WS2. Neetesh Dhakar, Brijesh Kumar, and Sunil Kumar Frontiers in Optics (FiO) 2024, paper id JD4A.56. https://doi.org/10.1109/
Ultrafast spintronic THz emitters and their optical damage limit. Sandeep Kumar and Sunil Kumar 2022 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz). https://doi.org/10.1109/IRMMW-THz50927.2022.9896052
Ultrafast Charge Transfer and p-Plasmon Dynamics in Single-Walled Carbon Nanotubes. Arvind Singh and Sunil Kumar CLEO: Science and Innovations 2021. https://doi.org/10.1364/CLEO_AT.2021.JTh3A.56
Two interpenetrating hexagonal lattice in clad photonic crystal fiber for THz sensing. Vikas Kumar, RK Varshney, Sunil Kumar 2020 Frontiers in Optics / Laser Science. https://doi.org/10.1364/FIO.2020.FM7B.5
Ultrafast, broadband and tunable THz reflector based on high resistivity silicon. Sunil Kumar, S. Kumar, A. Nivedan, A. Singh, M. Tondusson, J. Degert, E. Abraham, V. Freysz, E. Freysz IRMMW-THz, 2020 45th International Conference on Infrared and Millimeter Waves. https://doi.org/10.1109/IRMMW-THz46771.2020.93709503
THz conductivity and photo-induced carrier dynamics in a graphene, MoS2, graphene heterostructure. Sunil Kumar, A. Singh, A. Nivedan, S. Kumar, M. Tondusson, J. Degert, J. Oberle, S. J. Yun, Y. H. Lee, E. Freysz IRMMW-THz, 2020 45th International Conference on Infrared and Millimeter Waves. https://doi.org/10.1109/IRMMW-THz46771.2020.93708624
Enhanced transient THz response in TMDC heterostructures. Sunil Kumar, A. Singh, A. Nivedan, S. Kumar, M. Tondusson, J. Degert, J. Oberle, S. J. Yun, Y. H. Lee, E. Freysz IRMMW-THz, 2020 45th International Conference on Infrared and Millimeter Waves. https://doi.org/10.1109/IRMMW-THz46771.2020.9370975
Nonlinear Interaction of Polarization Singular Beams. Baby Komal, P Senthilkumaran, Sunil Kumar ICOL-2019, Springer Proceedings in Physics 258. https://doi.org/10.1007/978-981-15-9259-1_44
Near Zero Flat Dispersion by Hexagonal Patterned Unit Cell in THz Photonic Crystal Fiber. Vikas Kumar, R. K. Varshney, Sunil Kumar ICOL-2019, Springer Proceedings in Physics 258. https://doi.org/10.1007/978-981-15-9259-1_203
Broadband and flat THz dispersion in biatomic photonic band gap fibers. Vikas Kumar, R. K. Varshney, Sunil Kumar Workshop on Recent Advances in Photonics (WRAP) (2019). https://doi.org/10.1109/WRAP47485.2019.9013698
Structural Phase Transitions and Thermal Stability in Cu-Based 2D Inorganic-Organic Hybrid Perovskite Systems. M Bochalya, PK Kanaujia, G Prakash, Sunil Kumar AIP Conference Proceedings 2142, 030001 (2019). https://doi.org/10.1063/1.5122329
Terahertz Supercontinuum in the Biatomic Photonic Crystal Fiber. V Kumar, RK Varshney, Sunil Kumar Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC) (2019). https://doi.org/10.1109/CLEOE-EQEC.2019.8872721
On the Development of Intense THz sources for nonlinear optics and spectroscopy. Sunil Kumar IEEE 2019 URSI Asia-Pacific Radio Science Conference (AP-RASC) (2019). https://doi.org/10.23919/URSIAP-RASC.2019.8738176
Magnetic Phase Transition in Layered Hybrid Perovskite (C12H25NH3)2CuCl4. Madhu Bochalya, Sunil Kumar, PK Kanaujia, G Prakash AIP Conference Proceedings 1953, 120022 (2018). https://doi.org/10.1063/1.5033087