Sikdar Nanophotonics and Metamaterial Research Group

Indian Institute of Technology Guwahati

Department of Electronics and Electrical Engineering

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Patents

International

  • Debabrata Sikdar, Alexei Kornyshev, Joshua Edel, and John B Pendry, Enhanced Light Extraction from Light Emitting Diodes Utilizing a Nanoparticle Meta-Grid, US Patent, Application No. 17/861441 (Published on 2023-01-19). link
  • Debabrata Sikdar, Wenlong Cheng, and Malin Premaratne, Optical nanoantennas, WIPO (PCT) Patent No: WO2016154657A1, Published on Oct 6, 2016. link

National

  • Tanmay Bhowmik, Ashish Kumar Chowdhary, and Debabrata Sikdar, Frequency-scalable Polarization-insensitive Dual-mode Electro-Optic modulators, Indian Patent No: 561467 (Granted on 27-02-2025, App. No: 202231066529) link
  • Jegyasu Gupta, Dr. Priyanka Das, Prof. Ratnajit Bhattacharjee, and Debabrata Sikdar, A Magnetic Metamaterial Add-on for Improving the Signal-to-Noise Ratio of Magnetic Resonance Imaging, Indian Patent, Application No.: 202311037880 (Published on 2023-07-14). link
  • Jegyasu Gupta, Dr. Priyanka Das, Prof. Ratnajit Bhattacharjee, and Debabrata Sikdar, A Metasurface-inspired Flexible Structure for Boosting the Signal-to-Noise Ratio (SNR) in 1.5TMRI Scans, Indian Patent, Application No.: 202311058391 (Published on 2023-12-21). link
  • Ashish Kumar Chowdhary and Debabrata Sikdar, A Passive Radiative Cooler System, Indian Patent, App. No.: 202231043104 (Filed on 27-07-2022). link

Book Chapters

Journal Publications

  • Kumar, C., Bhowmik, B. K., Phukan, A., Tigala, M., Sikdar, D., & Kumar, G., "Asymmetry-Driven Terahertz Quasi-Bound State in Continuum Excitation in Complementary Metamolecule", Optics Communication, 2025[Q2 IF: 2.5 (2025)]
  • Zhao, M., Sikdar, D., Zhao, M. and Ma, Y., "3D Self-Assembly of a Bilayer Nanoparticle Metasurface for Surface-Enhanced Raman Scattering (SERS) Sensing", Nano Letters, vol. 25, no. 20, pp. 8251-8257, 2025[Q1 IF: 9.6 (2025)]
  • Sharma, L., Mudgal, P., Das, S., & Sikdar, D., "Enhancing Squeezing to Strengthen Entanglement for High-Fidelity Quantum Teleportation", IEEE Journal of Selected Topics in Quantum Electronics, vol. 31, no. 5, 2025[Q1 IF: 4.3 (2025)]
  • Gupta, J., Bhattacharjee, R., Kanagaraj, S., & Sikdar, D., "Improving Signal-to-Noise Ratio of 1.5T MRI Scans using High-Q Resonators based on Coupled Octa-spirals", vol. 8, no. 2, p. 2400848, 2024 Advanced Theory and Simulations, [Q1 IF: 2.9 (2024)]
  • Zhang, H., Zhang, H., Sikdar, D., Liu, X., Yang, Z., Cheng, W., & Chen, Y., "Jellyfish-like Gold Nanowires as FlexoSERS Sensors for Sweat Analysis", Nano Letters, vol. 24, no. 36, pp. 11269-11278, 2024, [Q1 IF: 9.6 (2024)] .
  • Bhowmik, T., Chakraborty, B., & Sikdar, D., "All-Optical High-Contrast Femtosecond Switching using Nonlinearity from Epsilon-Near-Zero effect in Plasmonic Metamaterials", Optics Letters, vol. 49, pp. 2397-2400, 2024, [Q1 IF: 3.1 (2024)] .
  • Bhowmik, B. K., Bhowmik, T., Pandey, P. K., Raju, M. S., Sikdar, D., & Kumar, G., "All-dielectric asymmetric planar metasurface based dual-parametric sensor", Optics Communications, vol. 550, p. 129880, 2024, [Q2 IF: 2.2 (2024)] .
  • Pisharody, G. R., Sahoo, P., Rao, D. S., Matte, H. R., Sikdar, D., & Prasad, S. K., "IR regulation through preferential placement of h-BN nanosheets in a polymer network liquid crystal", Materials Horizons, vol. 11, pp. 554-565, 2023, [Q1 IF: 11.49 (2023)] .
  • Bhowmik, B. K., Bhowmik, T., Pandey, P. K., Raju, M. S., Sikdar, D., & Kumar, G., "All-dielectric metasurface based ultranarrow bandpass filter in optical C-band", Journal of the Optical Society of America B: Optical Physics, vol. 40, pp. 1311-1318, 2023, [Q2 IF: 1.8 (2023)] .
  • Gupta, J., Das, P., Bhattacharjee, R., & Sikdar, D., "Resonating sub-wavelength metallic wires based pads for boosting signal-to-noise ratio of birdcage head coils at 1.5T MRI", Results in Physics, vol. 53, p. 106972, 2023, [Q2 IF: 5.3 (2023)] .
  • Gupta, J., Das, P., Bhattacharjee, R., & Sikdar, D., "Enhancing signal-to-noise ratio of clinical 1.5T MRI using metasurface-inspired flexible wraps", Applied Physics A, vol. 129, p. 725, 2023, [Q2 IF: 2.5 (2023)] .
  • Das, P., Gupta, J., Sikdar, D., & Bhattacharjee, R., "A smart metasurface for scanning deep brain tissues at 1.5T MRI", Current Applied Physics, vol. 53, pp. 172-180, 2023, [Q2 IF: 2.4 (2023)] .
  • Bhowmik, T., Gupta, J., & Sikdar, D., "Electro-tunable metasurface for tri-state dynamic polarization switching at near-infrared wavelengths", Journal of Physics: Condensed Matter, vol. 35 p. 395701, 2023, [Q2 IF: 2.3 (2023)] .
  • Das, P., Gupta, J., Sikdar, D., & Bhattacharjee, R., "A non-linear triangular split-ring based metaresonator for targeted scanning at 1.5T MRI", Physica Scripta, vol. 98, p. 065004, 2023, [Q2 IF: 2.6 (2023)] .
  • Bhowmik, T., Chowdhary, A. K., & Sikdar, D., "Polarization-and Angle-insensitive Tunable Metasurface for Electro-Optic Modulation", IEEE Photonics Technology Letters, vol. 35, no. 16, pp. 879-882, Aug.15, 2023, [Q1 IF: 2.3 (2023)] .
  • Das, P., Gupta, J., Sikdar, D., & Bhattacharjee, R., "Aperture-patch sandwich metasurface for magnetic field enhancement in 1.5 T MRI", Magnetic Resonance Imaging, vol. 100, pp. 1-9, 2023, [Q2 IF: 2.1 (2023)] .
  • Bhowmik, T., Bhowmik, B. K., Pandey, P. K., Kumar, G., & Sikdar, D., "Dual-band electro-optic modulator based on tunable broadband metamaterial absorber", Optics & Laser Technology, vol. 161, p. 109129, 2023, [Q1 IF: 4.6 (2023)] .
  • Shi, Q., Dong, D., Gervinskas, G., Lin, H., Sikdar, D., Jia, B., Walia, S., Sriram, S., Bhaskaran, M., Yap, L.W., and Cheng, W., "Soft Plasmene Helical Nanostructures", Advanced Materials Technologies, vol. 8, no. 9, p. 2201866, Jan. 2023, [Q1 IF: 6.4 (2023)] .
  • Das, P., Gupta, J., Sikdar, D., and Bhattacharjee, R., "Modeling of a thin metallo-dielectric stacked metamaterial for magnetic field enhancement in clinical MRI", Journal of Applied Physics, vol. 132, p. 114901, 2022, [Q2 IF: 2.7 (2022)] .
  • Bhowmik, T., & Sikdar, D., "Electrically-tunable metasurface for dual-band spatial light modulation using epsilon-near-zero effect", Optics Letters, vol. 47, no. 19, pp. 4993-4996, 2022, [Q1 IF: 3.1 (2022)] .
  • Dhriti, K. M., Chowdhary, A. K., Chouhan, B. S., Sikdar, D., & Kumar, G., "Tunable terahertz absorption modulation in graphene nanoribbon-assisted dielectric metamaterial", Journal of Physics D: Applied Physics, vol. 55, p. 285101, 2022, [Q2 IF: 3.1 (2022)] .
  • Chowdhary, A. K., Bhowmik, T., & Sikdar, D., "Infrared-blocking Plasmonic Meta-glasses for Energy-saving Passive Windows", Optics Letters, vol. 47, pp. 2242-2245, 2022, [Q1 IF: 3.1 (2022)] .
  • Bhowmik, T., Chowdhary, A. K., & Sikdar, D., "Grating-assisted Polarization-insensitive Dual-Mode Spatial Light Modulator Design using Epsilon-Near-Zero Material", IEEE Journal of Quantum Electronics, vol. 58, no. 4, pp. 1-8, 2022, [Q1 IF: 2.2 (2022)] .
  • Chowdhary, A. K., Reddy, V. A., & Sikdar, D., "Nanophotonics-Enabled High-Efficiency Selective Solar Absorbers for Waste Heat Management", IEEE Transactions on Nanotechnology, vol. 21, pp. 131-136, 2022, [Q2 IF: 2.1 (2022)] .
  • Zhang, H., Wang, R., Sikdar, D., Wu, L., Sun, J., Gu, N., & Chen, Y., "Plasmonic Superlattice Membranes Based on Bimetallic Nano-Sea Urchins as High-Performance Label-Free Surface-Enhanced Raman Spectroscopy Platforms", ACS Sensors, vol. 7, no. 2, pp. 622-631, 2022, [Q1 IF: 8.2 (2022)] .
  • Bhowmik, T., & Sikdar, D., "Parallel Directional Coupler based Dual-Polarization Electro-Absorption Modulator using Epsilon Near-Zero Material", Journal of Physics D: Applied Physics, vol. 55, no. 13, p. 135107, 2022, [Q1 IF: 3.1 (2022)] .
  • Shi, Q., Fu, R., Sikdar, D., Perera, T., Chesman, A.S., Yong, Z., Lu, Y., Liu, Y., Guo, Z., Gong, S. and Premaratne, M., "Two-Dimensional Nanoassemblies from Plasmonic Matryoshka Nanoframes", The Journal of Physical Chemistry C, vol. 125, no. 50, pp. 27753-27762, 2021, [Q1 IF: 3.7 (2021)] .
  • Chowdhary, A. K., & Sikdar, D., "Multilayer thin-film based nanophotonic windows: static versus electrotunable design", Journal of Optics, vol. 24, no. 2, p. 024002, 2021, [Q1 IF: 2.0 (2021)] .
  • Chen, Y., Yin, H., Sikdar, D., Yan, L., Zhou, Z., Sun, J., & Wang, C., "Gold Nanopolyhedron-Based Superlattice Sheets as Flexible Surface-Enhanced Raman Scattering Sensors for Detection of 4 Aminothiophenol", ACS Appl. Nano Mater, vol. 4, no. 11, 2021, [Q1 IF: 5.4 (2021)] .
  • Chowdhary, A. K., Reddy, V. A., & Sikdar, D., "Selective Thermal Emitters for High-performance All-day Radiative Cooling", Journal of Physics D: Applied Physics, vol. 55, p. 085504, 2021, [Q1 IF: 3.3 (2021)] .
  • Shi, Q., Yong, Z., Uddin, M.H., Fu, R., Sikdar, D., Yap, L.W., Fan, B., Liu, Y., Dong, D. and Cheng, W., "Cell Sheet-like Soft Nanoreactor Arrays", Advanced Materials, vol. 34, no. 5, p. 2105630, 2021, [Q1 IF: 29.4 (2021)] .
  • Chowdhary, A. K., & Sikdar, D., "Design of electrotunable all-weather smart windows", Sol. Energy Mater. Sol. Cells, vol. 222, p. 110921, 2021, [Q1 IF: 7.3 (2021)] .
  • Chowdhary, A. K., Bhowmik, T., Gupta, J., & Sikdar, D., "Energy-saving all-weather window based on selective filtering of solar spectral radiation", Appl. Opt., vol. 60, pp. 1315-1325, 2021, [Q1 IF: 2.0 (2021)] .
  • Chowdhary, A. K., Bhowmik, T., & Sikdar, D., "Polarization-and angle-insensitive ultra-broadband perfect metamaterial absorber for thermophotovoltaics", J. Opt. Soc. Am. B, vol. 38, pp. 327-335, 2021, [Q2 IF: 2.1 (2021)] .
  • Chowdhary, A. K., & Sikdar, D., "Low-power design of electrotunable color filters and optical switches", J. Opt. Soc. Am. B, vol. 37, pp. 3865-3873, 2020, [Q2 IF: 2.1 (2020)] .
  • Chen, Y., Yin, H., Sikdar, D., Liu, H., Zhu, Q., Yao, G., Qi, H. and Gu, N., "Multiscale Patterned Plasmonic Arrays for Highly Sensitive and Uniform SERS Detection", Advanced Materials Interfaces, vol. 7, no. 17, p. 2000248, 2020, [Q1 IF: 5.4 (2020)] .
  • Sikdar, D., Pendry, J. B., & Kornyshev, A. A., "Nanoparticle meta-grid for enhanced light extraction from light-emitting devices", Light: Science & Applications, vol. 9, no. 1, pp. 1-11, 2020, [Q1 IF: 20.3 (2020)] .
  • Ma, Y., Sikdar, D., He, Q., Kho, D., Kucernak, A. R., Kornyshev, A. A., & Edel, J. B., "Self-assembling two-dimensional nanophotonic arrays for reflectivity-based sensing", Chemical Science, vol. 11, no. 35, pp. 9563-9570, 2020, [Q1 IF: 9.4 (2020)] .
  • Ma, Y., Sikdar, D., Fedosyuk, A., Velleman, L., Klemme, D.J., Oh, S.H., Kucernak, A.R., Kornyshev, A.A., and Edel, J.B., "Electrotunable Nanoplasmonics for Amplified Surface Enhanced Raman Spectroscopy", ACS Nano, 2019, vol. 14, no. 1, pp. 328-336,, [Q1 IF: 15.4 (2019)] .
  • Sikdar, D., & Kornyshev, A. A., "An electro-tunable Fabry-Perot interferometer based on dual mirror-on-mirror nanoplasmonic metamaterials", Nanophotonics, vol. 8, no. 12, pp. 2279-2290 (2019), [Q1 IF: 8.0 (2019)] .
  • Sikdar, D., Weir, H., & Kornyshev, A. A., "Optical response of electro-tuneable 3D superstructures of plasmonic nanoparticles self-assembling on transparent columnar electrodes", Optics Express, vol. 27, no. 19, pp. 26483-26498 (2019), [Q1 IF: 4.3 (2019)] .
  • Ma, Y., Sikdar, D., Fedosyuk, A., Velleman, L., Zhao, M., Tang, L., Kornyshev, A.A., and Edel, J.B., "An auxetic thermo-responsive nanoplasmonic optical switch", ACS Applied Materials & Interfaces, vol. 11, pp. 22754-22760 (2019), [Q1 IF: 9.3 (2019)] .
  • Sikdar, D., & Zhu, W., "Editorial: A Special Issue on Plasmonic Metamaterials", Journal of Physics: Condensed Matter, vol. 31, p. 310401 (2019), [Q1 IF: 2.7 (2019)] .
  • Shi, Q., Gómez, D.E., Dong, D., Sikdar, D., Fu, R., Liu, Y., Zhao, Y., Smilgies, D.M., and Cheng, W., "2D Free-Standing Janus Gold Nanocrystal Superlattices", Advanced Materials, vol. 31, no. 28, p. 1900989, (2019), [Q1 IF: 26.7 (2019)] .
  • Dong, D., Shi, Q., Sikdar, D., Zhao, Y., Liu, Y., Fu, R., Premaratne, M., and Cheng, W., "Site-specific Ag Coating on Concave Au Nanoarrows by Controlling Surfactant Concentration", Nanoscale Horizons, vol. 4, pp. 940-946 (2019), [Q1 IF: 10.6 (2019)] .
  • Ma, Y., Zagar, C., Klemme, D.J., Sikdar, D., Velleman, L., Montelongo, Y., Oh, S.H., Kucernak, A.R., Edel, J.B., and Kornyshev, A.A., "A Tunable Nanoplasmonic Mirror at an Electrochemical Interface", ACS Photonics, vol. 5, pp. 4604-4616 (2018), [Q1 IF: 7.6 (2018)] .
  • Shi, Q., Sikdar, D., Fu, R., Si, K.J., Dong, D., Liu, Y., Premaratne, M., and Cheng, W., "Two-dimensional Binary Plasmonic Nanoassemblies with Semiconductor n/p-Doping-Like Properties", Advanced Materials, vol. 30, p. 1801118 (2018), [Q1 IF: 26.7 (2018)] .
  • Shi, Q., Dong, D., Si, K.J., Sikdar, D., Yap, L.W., Premaratne, M., and Cheng, W., "Shape Transformation of Constituent Building Blocks within Self-Assembled Nanosheets and Nanoorigami", ACS Nano, vol. 12, pp. 1014-1022 (2018), [Q1 IF: 15.8 (2018)] .
  • Weir, H., Edel, J. B., Kornyshev, A. A., & Sikdar, D., "Towards Electrotuneable Nanoplasmonic Fabry-Perot Interferometer", Scientific Reports, vol. 8, p. 565 (2018), [Q1 IF: 4.6 (2018)] .
  • Montelongo, Y., Sikdar, D., Ma, Y., McIntosh, A.J., Velleman, L., Kucernak, A.R., Edel, J.B., and Kornyshev, A.A., "Electrotunable Nanoplasmonic Liquid Mirror", Nature Materials, vol. 16, pp. 1127-1135 (2017), [Q1 IF: 35.1 (2017)] .
  • Yang, W., Si, K.J., Guo, P., Dong, D., Sikdar, D., Premaratne, M., and Cheng, W., "Self-Assembled Plasmonic Pyramids from Anisotropic Nanoparticles for High-Efficient SERS", Journal of Analysis and Testing, vol. 1, pp. 335-343 (2017), [Q1 IF: 4.4 (2017)] .
  • Velleman, L., Scarabelli, L., Sikdar, D., Kornyshev, A.A., Liz-Marzán, L.M., and Edel, J.B., "Monitoring Plasmon Coupling and SERS Enhancement through in situ Nanoparticle Spacing Modulation", Surface Enhanced Raman Scattering-SERS: Faraday Discussion, vol. 205, pp. 67-83 (2017), [Q1 IF: 4.3 (2017)] .
  • Sikdar, D., Bazant, M., Bennewitz, R., Booth, S., Dryfe, R., Girault, H., Hillman, R., Kornyshev, A.A., Lemay, S., Mount, A., Mugele, F., and Robotham, O., "Electrovariable Nanoplasmonics: General Discussion", Chemical Physics of Electroactive Materials: Faraday Discussion, vol. 199, pp. 603-613 (2017), [Q1 IF: 4.3 (2017)] .
  • Sikdar, D., Bucher, A., and Kornyshev, A.A., "Ultrafast Electro-variable Optical Response from Arrays of Plasmonic Nanocuboids at Liquid|Solid Interfaces", Chemical Physics of Electroactive Materials: Faraday Discussion, vol. 199, pp. 585-602 (2017), [Q1 IF: 4.3 (2017)] .
  • Velleman, L., Sikdar, D., Turek, V. A., Kucernak, A. R., Roser, S. J., Kornyshev, A. A., & Edel, J. B., "Tuneable 2D Self-assembly of Plasmonic Nanoparticles at Liquid|Liquid Interfaces", Nanoscale, vol. 8, pp. 19229-19241 (2016), [Q1 IF: 7.9 (2016)] .
  • Sikdar, D., & Kornyshev, A. A., "Theory of Tailorable Optical Response of Two-dimensional Arrays of Plasmonic Nanoparticles at Dielectric Interfaces", Scientific Reports, vol. 6, p. 33712 (2016), [Q1 IF: 5.1 (2016)] .
  • Sikdar, D., Hasan, S. B., Urbakh, M., Edel, J. B., & Kornyshev, A. A., "Unravelling the Optical Responses of Nanoplasmonic Mirror-on-mirror Metamaterials", Physical Chemistry Chemical Physics, vol. 18, pp. 20486-20498 (2016), [Q1 IF: 4.4 (2016)] .
  • Zhu, W., Xiao, F., Kang, M., Sikdar, D., Liang, X., Geng, J., Premaratne, M., and Jin, R., "MoS₂ broadband coherent perfect absorber for terahertz waves", IEEE Photonics Journal, vol. 8, no. 6, (2016), [Q1 IF: 2.7 (2016)] .
  • Shi, Q., Si, K. J., Sikdar, D., Yap, L. W., Premaratne, M., & Cheng, W., "Two-Dimensional Bipyramid Plasmonic Nanoparticle Liquid Crystalline Superstructure with Four Distinct Orientational Packing Orders", ACS Nano, vol. 10, pp. 967-976 (2016), [Q1 IF: 16.2 (2016)] .
  • Xiong, W., Sikdar, D., Yap, L. W., Guo, P., Premaratne, M., Li, X., & Cheng, W., "Matryoshka Caged Gold Nanorods: Synthesis, Plasmonic Property and Catalytic Activity", Nano Research, vol. 9, pp. 415-423 (2016), [Q1 IF: 7.6 (2016)] .
  • Si, K.J., Sikdar, D., Yap, L.W., Foo, J.K.K., Guo, P., Shi, Q., Premaratne, M., and Cheng, W., "Dual-coded Plasmene Nanosheets as Next Generation Anti-counterfeit Security Labels", Advanced Optical Materials, vol. 3, pp. 1710-1717 (2015), [Q1 IF: 5.6 (2015)] .
  • Kong, B., Sikdar, D., Tang, J., Liu, Y., Premaratne, M., Zhang, W., Jing, Y., Zheng, G., Selomulya, C., and Zhao, D., "Interfacial Assembly of Mesoporous Nanopyramids as Ultra-sensitive Cellular Interfaces Featuring Efficient Direct Electrochemistry", NPG Asia Materials, vol. 7, no. e204 (2015), [Q1 IF: 3.5 (2015)] .
  • Sikdar, D., Zhu, W., Cheng, W., & Premaratne, M., "Substrate-mediated Broadband Tunability in Plasmonic Resonances of Metal Nanoantennas on Finite High-permittivity Dielectric Substrate", Plasmonics, vol. 10, pp. 1663-1673 (2015), [Q2 IF: 2.5 (2015)] .
  • Tang, J., Li, J., Sikdar, D., Kong, B., Quan, Y., Che, S., Wang, Y., Al-Enizi, A.M., Premaratne, M., and Zheng, G., "Plasmon-enhanced Photoelectrochemical Monitoring of Ca²⁺ from Living Cardiomyocytes", Journal of Electroanalytical Chemistry, vol. 759, pp. 14-20 (2015), [Q1 IF: 3.0 (2015)] .
  • Chen, Y., Si, K.J., Sikdar, D., Tang, Y., Premaratne, M., and Cheng, W., "Ultrathin Plasmene Nanosheets as Soft and Surface-Attachable SERS Substrates with High Signal Uniformity", Advanced Optical Materials, vol. 3, pp. 919-924 (2015), [Q1 IF: 5.6 (2015)] .
  • Sikdar, D., Cheng, W., & Premaratne, M., "Optically Resonant Magneto-Electric Cubic Nanoantennas for Ultra-Directional Light Scattering", Journal of Applied Physics, vol. 117, p. 083101 (2015), [Q1 IF: 2.3 (2015)] .
  • Xiong, W., Sikdar, D., Yap, L. W., Premaratne, M., Li, X., & Cheng, W., "Multilayered Core-satellite Nanoassemblies with Finely-Tunable Broadband Plasmon Resonances", Nanoscale, vol. 7, pp. 3445-3452 (2015), [Q1 IF: 8.5 (2015)] .
  • Guo, P., Sikdar, D., Huang, X., Si, K.J., Xiong, W., Gong, S., Yap, L.W., Premaratne, M., and Cheng, W., "Plasmonic Core-Shell Nanoparticles for SERS Detection of the Pesticide Thiram: Size- and Shape-Dependent Raman Enhancement", Nanoscale, vol. 7, pp. 2862-2868 (2015), [Q1 IF: 8.5 (2015)] .
  • Zhu, W., Sikdar, D., Xiao, F., Kang, M., & Premaratne, M., "Gold Nanoparticles with Gain-assisted Coating for Ultra-sensitive Biomedical Sensing", Plasmonics, vol. 10, pp. 881-886 (2015), [Q2 IF: 2.5 (2015)] .
  • Guo, P., Sikdar, D., Huang, X., Si, K.J., Su, B., Chen, Y., Xiong, W., Yap, L.W., Premaratne, M., and Cheng, W., "Large-Scale Self-assembly and Stretch-induced Plasmonic Properties of Core-Shell Metal Nanoparticle Superlattice Sheets", The Journal of Physical Chemistry C, vol. 118, pp. 26816-26824 (2014), [Q1 IF: 5.5 (2014)] .
  • Si, K.J., Sikdar, D., Chen, Y., Eftekhari, F., Xu, Z., Tang, Y., Xiong, W., Guo, P., Zhang, S., Lu, Y. and Bao, Q., "Giant Plasmene Nanosheets, Nanoribbons, and Origami", ACS Nano, vol. 8, pp. 11086-11093 (2014), [Q1 IF: 14.7 (2014)] .
  • Sikdar, D., Rukhlenko, I. D., Cheng, W., & Premaratne, M., "Tunable Broadband Optical Responses of Substrate-supported Metal/dielectric/metal Nanospheres", Plasmonics, vol. 9, pp. 659-672 (2014), [Q2 IF: 2.6 (2014)] .
  • Zhu, W., Xiao, F., Kang, M., Sikdar, D., & Premaratne, M., "Tunable Terahertz Left-handed Metamaterial Based on Multi-layer Graphene-Dielectric Composite", Applied Physics Letters, vol. 104, p. 051902 (2014), [Q1 IF: 4.2 (2014)] .
  • Xiong, W., Sikdar, D., Walsh, M., Si, K. J., Tang, Y., Chen, Y., Mazid, R., Weyland, M., Rukhlenko, I.D., Etheridge, J., Premaratne, M., Li, X., and Cheng, W., "Single-crystal Caged Gold Nanorods with Tunable Broadband Plasmon Resonances", Chemical Communications, vol. 49, pp. 9630-9632 (2013), [Q1 IF: 6.8 (2013)] .
  • Sikdar, D., Rukhlenko, I.D., Cheng, W. and Premaratne, M., "Unveiling Ultrasharp Scattering-switching Signatures of Layered Gold-Dielectric-Gold Nanospheres", Journal of the Optical Society of America B, vol. 30, no. 8, pp. 2066-2074 (2013), [Q1 IF: 2.4 (2013)] .
  • Sikdar, D., Rukhlenko, I. D., Cheng, W., & Premaratne, M., "Optimized Gold Nanoshell Ensembles for Biomedical Applications", Nanoscale Research Letters, vol. 8, pp. 142-146 (2013), [Q1 IF: 2.9 (2013)] .
  • Sikdar, D., Rukhlenko, I. D., Cheng, W., & Premaratne, M., "Effect of Number Density on Optimal Design of Gold Nanoshells for Plasmonic Photothermal Therapy", Biomedical Optics Express, vol. 4, pp. 15-31 (2013), [Q1 IF: 4.1 (2013)] .
  • Sikdar, D., Tiwari, V., Soni, A., Jaiswal, R., & Bhanot, S., "Polarization Multiplexed Interrogation Technique for FBG Sensor Array", Photonic Sensors, vol. 5, no. 3, pp. 193-201 (2015), [Q1 IF: 2.2 (2015)] .
  • Sikdar, D., Tiwari, V., & Chaubey, V. K., "Optimized Transmitter Module for NRZ-duobinary in Long-haul Optical Transmission Link", Optik - International Journal for Light and Electron Optics, vol. 124, no. 17, pp. 2597-2601 (2013), [Q2 IF: 1.0 (2013)] .
  • Sikdar, D., Tiwari, V., Saha, Y., & Chaubey, V. K., "Investigation of Modulator Chirp and Extinction Ratio in Different RZ-and NRZ Duobinary Transmitter Modules for Performance Optimization", Optik - International Journal for Light and Electron Optics, vol. 124, pp. 1411-1414 (2013), [Q2 IF: 1.0 (2013)] .
  • Sikdar, D., Tiwari, V., & Chaubey, V. K., "Investigation of RZ and NRZ Pulse Shape for Optimum Duobinary Transmission at 40 Gbps", Optik - International Journal for Light and Electron Optics, vol. 124, pp. 1148-1151 (2013), [Q2 IF: 1.0 (2013)] .
  • Tiwari, V., Sikdar, D., Jyothi, M. N., Dixit, G., & Chaubey, V. K., "Investigation of Optimum Pulse Shape for 112Gbps DP-DQPSK in DWDM Transmission", Optik - International Journal for Light and Electron Optics, vol. 124, pp. 5567-5572 (2013), [Q2 IF: 1.0 (2013)] .
  • Tiwari, V., Sikdar, D., & Chaubey, V. K., "Performance Optimization of RZ-DQPSK Modulation Scheme for Dispersion Compensated Optical Link", Optik - International Journal for Light and Electron Optics, vol. 124, pp. 2593-2596 (2013), [Q2 IF: 1.0 (2013)] .
  • Sikdar, D., Tiwari, V., & Chaubey, V. K., "Optimum Dispersion Map Profile for a Stable DM Soliton System", Journal of Modern Optics, vol. 59, pp. 1396-1405 (2012), [Q2 IF: 1.3 (2012)] .
  • Sikdar, D., Chaubey, S., Tiwari, V., & Chaubey, V. K., "Simulation and Performance Analysis of Duobinary 40 Gbps Optical Link", Journal of Modern Optics, vol. 59, pp. 903-911 (2012), [Q2 IF: 1.3 (2012)] .
  • Tiwari, V., Sikdar, D., & Chaubey, V. K., "SPM Induced Limitation for 40 Gbps Chirped Gaussian Pulses in Optical Channel", Optik - International Journal for Light and Electron Optics, vol. 123, pp. 1482-1485 (2012), [Q2 IF: 0.9 (2012)] .

Conference Articles / Poster Presentations

A* – flagship conference, a leading venue in a discipline area.
A – excellent conference, and highly respected in a discipline area.
B – good to very good conference, and well regarded in a discipline area.
C – other ranked conference venues that meet basic standards for peer-reviewed venues.

  • ] Kumar, A., Raj, S., Arrawatia, M., Bhattacharjee, R., Sikdar, D. and Sawant, "On-Chip Terahertz Inverted E-Connected I-Shaped Plasmonic Waveguide Bandpass Filter", 2024 IEEE Microwaves, Antennas, and Propagation Conference (MAPCON), Hyderabad, India., [A*]
  • Biswas, D., Shah, T., & Sikdar, D., "Advancements in Terahertz Transmission Waveguiding through Topological Valley Photonic Crystals", Smart City Workshop,2025, Guwahati, India., [B]
  • Sharma, L., Das, S., & Sikdar, D., "Potential Impact on Improving Quantum Teleportation Through Squeezing Enhancement", Smart City Workshop,2025, Guwahati, India., [B]
  • Das, S., Sharma, L., & Sikdar, D., "Multilayer Based Smart Windows For Energy-Efficient Buildings And Automobiles", Smart City Workshop,2025, Guwahati, India., [B]
  • Shah, T., Biswas, D., & Sikdar, D., "Analysis of Topological Behavior in a Novel Structure with a Common Bandgap for TE and TM Modes in the Terahertz Frequency Region", Smart City Workshop,2025, Guwahati, India., [B]
  • Gupta, J., Kumar, G., Dhabal, B., Dey, A.B., Bhattacharjee, R., & Sikdar, D., "Interdigitated Metasurface-based Volumetric Resonator for Improving Signal-to-Noise Ratio in 1.5T MRI Scans of Human Body Extremities", Smart City Workshop,2025, Guwahati, India., [B]
  • Kumar, G., Dey, A.B., Gupta, J., Kanagaraj, S., Bhattacharjee, R., & Sikdar, D., "Development and Benchmark Analysis of a Birdcage-Based Volume Coil for Dedicated Knee Scanning at 1.5 T", 2024 IEEE Silchar Subsection Conference (SILCON 2024), 2024, Agartala, India., [A]
  • Dey, A.B., Gupta, J., Kumar, G., Kanagaraj, S., Bhattacharjee, R., & Sikdar, D., "Quadra-Ring SRR Metamaterials: A Novel Design for Enhancement of Magnetic Field in 1.5 T MRI Scans", 2024 IEEE Silchar Subsection Conference (SILCON 2024), 2024, Agartala, India., [A]
  • Biswas, D., Sarma, M., Das, S., & Sikdar, D., "Topologically Protected Edge States in Valley Photonic Crystals for Terahertz Waveguiding", 2024 IEEE Silchar Subsection Conference (SILCON 2024), 2024, Agartala, India., [A]
  • Konda, T. S., Gupta, J., Dey, A. B., Bhattacharjee, R., & Sikdar, D., "Interdigitated Metasurfaces for Enabling Homogeneously Boosted Magnetic Fields during 1.5 T MRI Scans", 2024 IEEE International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD), 2024, New Delhi, India., [A]
  • Gupta, J., Bhattacharjee, R., Kanagaraj, S., Nair, R., & Sikdar, D., "Improving SNR of 1.5 T MRI using Flexible Magnetic Metasurfaces based on Rectangular Windings", 2024 IEEE International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD), 2024, New Delhi, India., [A]
  • Gupta, J., Bhattacharjee, R., Kanagaraj, S., Nair, R., & Sikdar, D., "Magneto-active Metamaterials for 1.5 T MRI: An Intelligent Approach to Boost the Signal-to-Noise Ratio of a Scan", 2024 IEEE International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD), 2024, New Delhi, India., [A]
  • Sawant, A., Kumar, A., Raj, S., Arrawatia, M., Bhattacharjee, R., & Sikdar, D., "On-Chip Terahertz Inverted E-Connected I-Shaped Plasmonic Waveguide Bandpass Filter", IEEE Microwaves, Antennas and Propagation Conference (MAPCON), 2024, Hyderabad, India., [A*]
  • Bhowmik, T., Bhowmik, B. K., Pandey, P. K., Kumar, G., & Sikdar, D., "Epsilon-Near-Zero Material based Dual-Polarization On-Chip Electro-Optic Modulator", Frontiers in Optics and Laser Sciences (FiO-LS), 2023., [A*]
  • Biswas, D., Chakraborty, B., Bhowmik, T., Gupta, J., & Sikdar, D., "Wavelength Selective Metamaterials for Superior Thermal Camouflaging", Frontiers in Optics and Laser Sciences (FiO-LS), 2023., [A*]
  • Gupta, J., Bhattacharjee, R., Kanagaraj, S., Harsh, R., & Sikdar, D., "Complementary-Bowtie-Aperture Inspired Wearable Metasurfaces for boosting SNR in 1.5T MRI systems", IEEE Guwahati Subsection Conference (GCON), 2023., [B]
  • Bhowmik, B. K., Bhowmik, T., Pandey, P. K., Raju, M. S., Sikdar, D., & Kumar, G., "High-Q resonating all-dielectric metamaterial for refractive index sensing", IEEE Guwahati Subsection Conference (GCON), 2023., [B]
  • Bhowmik, T., Gupta, J., Chakraborty, B., Chowdhary, A. K., & Sikdar, D., "Tunable Metasurface based Polarization-insensitive Electro-Optic Amplitude Modulator for Nanophotonic Systems", IEEE Guwahati Subsection Conference (GCON), 2023., [B]
  • Das, S., Gupta, J., Bhowmik, T., Chakraborty, B., & Sikdar, D., "Metasurface based Polarization-Insensitive Reflection mode Band-reject Filters for 6G Applications", IEEE Guwahati Subsection Conference (GCON), 2023., [B]
  • Biswas, D., Das, S., Bhowmik, T., Gupta, J., & Sikdar, D., "Epsilon-Near-Zero Material based C-Band Electro-absorption Modulator for Integrated Nanophotonic Systems", IEEE Guwahati Subsection Conference (GCON), 2023., [B]
  • Chakraborty, B., Bhowmik, T., Gupta, J., Biswas, D., & Sikdar, D., "Plasmonic Metamaterial Perfect Absorber using Hybrid Split Cross-Ring Nanostructures", IEEE Guwahati Subsection Conference (GCON), 2023., [B]
  • Das, P., Gupta, J., Sikdar, D., & Bhattacharjee, R., "Mirrored-Twin Rectangular SRR Based Metamaterial for Improving Signal-To-Noise Ratio of 1.5T MRI", CLEO: Applications and Technology 2023., [A*]
  • Gupta, J., Das, P., Bhattacharjee, R., & Sikdar, D., "Flexible Metasurface-Based Wraps for Improving Magnetic Field Enhancement in 1. 5T MRI", CLEO: Applications and Technology 2023, [A*]
  • Gupta, J., Das, P., Bhattacharjee, R., & Sikdar, D., "Capacitively-loaded Spiral Array based RF Metasurfaces for Boosting the Performance of 1.5T MRI", International Electrical Engineering Congress (iEECON), 2023, [A]
  • Bhowmik T., Gupta J., & Sikdar D., "Gap-plasmon Resonance based Energy-efficient Electro-tunable Metasurface for Polarization-independent Optical Intensity Modulation", META 2023: International Conference on Metamaterials, Photonic Crystals and Plasmonics, 2023, [A*]
  • Gupta, J., Das, P., Bhowmik, T., Bhattacharjee, R., & Sikdar, D., "RF Metasurface Based 'Add-Ons' for Boosting Signal-To-Noise Ratio of 1.5T MRI Scans", 2023 National Conference on Communications, NCC 2023, Guwahati, India, [B]
  • Gupta J., Bhowmik T., Bhattacharjee R., & Sikdar D., "Boosting received magnetic field (B-1) strength using wearable metasurface-based add-ons for 1.5T MRIs", META 2023: International Conference on Metamaterials, Photonic Crystals and Plasmonics, 2023, [A*]
  • Das, P., Gupta, J., Sikdar, D., & Bhattacharjee, R., "Mirrored-Twin Rectangular SRR Based Metamaterial for Improving Signal-To-Noise Ratio of 1. 5T MRI", CLEO: Applications and Technology 2023, 2023, CA, USA, [A*]
  • Gupta, J., Das, P., Chowdhary, A. K., Bhattacharjee, R., & Sikdar, D., "Thin-Wire Array based Resonator for Targeted Clinical 1.5T Magnetic Resonance Imaging", IEEE Photonics Conference (IPC), 2022, [A*]
  • Bhowmik, B. K., Bhowmik, T., Pandey, P. K., Sikdar, D., & Kumar, G., "Polarization-insensitive refractive index sensor based on high-Q resonance in all-dielectric metasurface", Frontiers in Optics + Laser Science (FIO-LS), 2022 Technical Digest Series (Optica Publishing Group, 2022), paper JTu5B.68, [A*]
  • Bhowmik, T., Chowdhary, A. K., & Sikdar, D., "Energy-efficient Polarization-insensitive Electro-tunable Metasurface for Optical Intensity Modulation", The 2022 International Conference on Optical MEMS and Nanophotonics (IEEE OMN), [A]
  • Das, P., Gupta, J., Sikdar, D., & Bhattacharjee, R., "Design and Analysis of a Thin Metamaterial for Magnetic Field enhancement in 1.5T MRI", IEEE Photonics Conference (IPC 2022), [A*]
  • Das, P., Gupta, J., Sikdar, D., & Bhattacharjee, R., "Analysis of SNR Enhancement in 1.5T MRI by Using Metasurfaces", IEEE Microwaves, Antennas, and Propagation Conference (MAPCON), Bangalore, India, 2022, [A*]
  • Das, P., Gupta, J., Sikdar, D., & Bhattacharjee, R., "Magnetic metasurface add-ons-A route towards making MRI more efficient, affordable and accessible", IEEE Silchar Subsection Conference (SILCON), Silchar, India, 2022, [B]
  • Chowdhary, A. K., Bhowmik, T., Gupta, J., & Sikdar, D., "Ultraviolet and Infrared Blocking Meta-glasses for Smart Electric Vehicles", 2022 IEEE International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD), 2022, Italy, [A]
  • Chowdhary, A. K., Reddy, V. A., Bhowmik, T., & Sikdar, D., "Vanadium Dioxide Assisted Thermo-optic Perfect Absorbers for Optical Switching", IEEE Workshop on Recent Advances in Photonics (WRAP), 2022, Mumbai, India, [B]
  • Chouhan, B. S., Dhriti, K. M., Chowdhary, A. K., Sikdar, D., & Kumar, G., "Modulating broadband terahertz in a Graphene assisted dielectric Metamaterial", IEEE Workshop on Recent Advances in Photonics (WRAP), 2022, Mumbai, India, [B]
  • Bhowmik, T., Chowdhary, A. K., Gupta, J., & Sikdar, D., "Coupling-assisted Epsilon-Near-Zero Material based Energy-efficient Electro-Absorption Modulator", IEEE Workshop on Recent Advances in Photonics (WRAP), 2022, Mumbai, India, [B]
  • Chowdhary, A. K., Bhowmik, T., Gupta, J., & Sikdar, D., "Ultraviolet and Infrared Blocking Meta-glasses for Electric Vehicles", 2022 IEEE International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD), 2022, Italy, [A]
  • Chowdhary, A. K., Reddy, V. A., Bhowmik, T., & Sikdar, D., "Spectrally Selective Nanophotonic Windows for Aiding Photosynthesis in Greenhouses", IEEE Photonics Conference (IPC) 2021, Vancouver, Canada, [A*]
  • Bhowmik, T., Chowdhary, A. K., Kumar, A., & Sikdar, D., "Guided-Mode Resonance based All-dielectric Optical Intensity Modulator", IEEE Photonics Conference (IPC) 2021, Vancouver, Canada, [A*]
  • Bhowmik, T., Kumar, A., Chowdhary, A. K., & Sikdar, D., "Polarization-insensitive Electro-tunable Broadband Plasmonic Metamaterial Absorber for Amplitude Modulation", 15th International Congress on Artificial Materials for Novel Wave Phenomena - Metamaterials 2021, New York, USA, 2021, [A]
  • Chowdhary, A. K., Kumar, A., & Sikdar, D., "Cross-Ring Based Broadband Plasmonic Metamaterial Absorbers for Boosting Silicon Solar Cell Efficiency", 15th International Congress on Artificial Materials for Novel Wave Phenomena - Metamaterials 2021, New York, USA, 2021, [A]
  • Chowdhary, A. K., & Sikdar, D., "Nanophotonic All-weather Windows for Energy-efficient Smart Buildings", CLEO: QELS_Fundamental Science 2021, San Jose, California, USA, 2021, [A*]
  • Chowdhary, A. K., & Sikdar, D., "Ultra-broadband Wide-Angle Metallo-Dielectric Metamaterial Absorber for Solar Energy Harvesting", IEEE Workshop on Recent Advances in Photonics (WRAP), Guwahati, India, 2019, [B]
  • Edel, J. B., Kornyshev, A. A., Kucernak, A. R., Ma, Y., Montelongo, Y., Sikdar, D., ... & Zagar, C., "Electrochemical plasmonics for dynamic control of optical properties of self-assembling metamaterials", META 2019: International Conference on Metamaterials, Photonic Crystals and Plasmonics, Lisbon- Portugal (2019), [A*]
  • Sikdar, D., Ma, Y., Kucernak, A. R., Edel, J. B., & Kornyshev, A. A., "Nanoplasmonic Metamaterial Devices as Electrically Switchable Perfect Mirrors and Perfect Absorbers", FM3C.5, 2019 Conference on Lasers and Electro-Optics (CLEO), San Jose, California, USA (2019), [A*]
  • Edel, J. B., Kornyshev, A. A., Kucernak, A. R., Ma, Y., Montelongo, Y., Sikdar, D., ... & Zagar, C., "Electrochemical plasmonics: A path to electrotunable self-assembling optical metamaterials", 7th International Topical Meeting on Nanophotonics and Metamaterials, Seefeld (Tirol), Austria (2019), [A]
  • Sikdar, D., & Kornyshev, A. A., "Electro-tuneable nanoplasmonic Fabry-Perot cavity for smart nano-optical devices", Photonics 2018 - The International Conference on Fiber Optics and Photonics, Indian Institute of Technology Delhi, New Delhi, India (2018), [A]
  • Montelongo, Y., Sikdar, D., Ma, Y., McIntosh, A. J., Velleman, L., Kucernak, A. R., ... & Kornyshev, A. A., "Electrotuneable nanoplasmonic mirror at liquid-liquid interface", Chemical Physics of Electroactive Materials: Faraday Discussion, Cambridge, United Kingdom (2017), [A]
  • Zagar, C., Griffiths-Rhys, R., Podgornik, R., Sikdar, D., Urbakh, M., Ma, Y., ... & Kornyshev, A., "Is electrovariable plasmonics at solid electrodes possible?", Chemical Physics of Electroactive Materials: Faraday Discussion, Cambridge, United Kingdom (2017), [A]
  • Velleman, L., Sikdar, D., Montelongo, Y., Ma, Y., Huang, Y., Million, J., ... & Edel, J., "Tunable assembly of plasmonic nanoparticles for use as reversible mirrors and sensors", META 2016 - International Conference on Metamaterials, Photonic Crystals and Plasmonics, Malaga, Spain (2016), [A*]
  • Sikdar, D., Si, K. J., Zhu, W., Cheng, W., & Premaratne, M., "Plasmene: An Artificial Graphene from Plasmonic Nanoparticle Family", 2015 Conference on Lasers and Electro-Optics (CLEO) - European Quantum Electronics Conference, Munich, Germany (2015), [A*]
  • Sikdar, D., & Premaratne, M., "Electrically Tunable Directional SPP Propagation in Gold-nanoparticle-assisted Graphene Nanoribbons", IEEE Photonics Conference (IPC), San Diego, CA, USA, 330-331, (2014), [A*]
  • Sikdar, D., Bhargav, K. K., & Dewangan, S., "Effectuation of Wireless Sensor Networks for Human Rescue Missions using RF Signal Detection", 1st International Conference on Wireless Technologies for Humanitarian Relief (ACWR '11). ACM, New York, NY, USA, 309-313 (2011), [B]
  • Sikdar, D., Tiwari, V., & Chaubey, V. K., "Effect of Pulse Width on a 40 Gb/s Lightwave Channel for Chirped Sources Having Different Linewidth and Peak Power", International Conference on Nanoscience, Engineering & Advanced Computing, 3, 360-363 (2011), [B]
  • Sikdar, D., Chalapathi, G.S.S., & Chaubey, V.K., "WSN Based TMR Security System for Sanitation Workers", Proceedings of National Conference on VLSI Design and Embedded Systems (NCVDES-2011), P6A.6-9 (2011), [B]
  • Sikdar, D., Chalapathi, & G.S.S., Chaubey, V.K., "Bluetooth Based e-Tutor System for Effective Knowledge Transfer", National Conference on Converging Technologies Beyond 2020, 6(5), 634-637 (2011), [C]
  • Tiwari, V., Sikdar, D., & Chaubey, V. K., "Source Induced Limitations in 40 Gbps Post-compensated Optical Fiber Link: A Simulation Study", International Conference on Nanoscience, Engineering & Advanced Computing, 1, 495-497 (2011), [B]
  • Chalapathi, G.S.S., Sikdar, D., & V. K. Chaubey, "WSN and GSM Based Smart Energy Management System", Proceedings of National Conference on VLSI Design and Embedded Systems, P6A.5 (2011), [C]
  • Arjun, V., Sikdar, D., & Chaubey, V.K., "High speed resonant tunneling diode based on GaN & GaAs: A modeling & simulation approach", Technical Proceedings of the 2008 NSTI Nanotechnology Conference and Trade Show, NSTI-Nanotech, Nanotechnology 2008, [A]