Department of Electronics and Electrical Engineering
Indian Institute of Technology Guwahati
Guwahati-781039, India

EEE Department, IIT Guwahati

Dr. Debabrata Sikdar

D Sikdar
Homepage

PhD (Monash University, Australia)
Post-Doc (Imperial College London, UK)
Designation: Assistant Professor

Dr. Sikdar joined the institute in May 2017.

Contact Details
Office Address : Room No. 310, New Extension Block, EEE Department, IIT Guwahati, Guwahati-781039, India.
Phone: +91 361 2583468 (Office)
Fax: +91-361-2582542
Email: deb.sikdar[AT*]iitg.ac.in

Research Areas
  • Plasmonics and metamaterials
  • Smart electrotuneable nanophotonic devices
  • Nanophotonics with Deep Learning
  • High speed Electro-Optic Modulators with ENZ metamaterials
  • Magnetic Metamaterials for MRI

Google Scholar Profile

Publications:

Patent

[1] Patent No: WO2016154657 A1, Optical nanoantennas, D. Sikdar, W. Cheng, and M. Premaratne, (App. No.: PCT/AU2015/050140) Published on Oct 6, 2016.  [Online]

Peer-reviewed Journal Articles

[51] A. Chowdhary and D. Sikdar, Low-power Design of Electrotunable Colour Filters and Optical SwitchesJournal of the Optical Society of America B, 37, 12, 3865–3873 (2020). [Online]

[50] Y. Chen, H. Yin, D. Sikdar, H. Liu, Q. Zhu, G. Yao, H. Qi, N. Gu, Multiscale Patterned Plasmonic Arrays for Highly Sensitive and Uniform SERS DetectionAdvanced Materials Interfaces, 7, 17, 2000248 (2020). [Online]

[49] D. Sikdar, J. B. Pendry, and A. Kornyshev, Nanoparticle meta-grid for enhanced light extraction from light-emitting devicesLight: Science & Applications, 9, 122 (2020). [Online] Multiple Press Releases. Almetric 219

[48] Y. Ma, D. Sikdar, Q. He, D. Kho, A. R. Kucernak, A. A. Kornyshev, and J. B. Edel, Self-assembling two-dimensional nanophotonic arrays for reflectivity-based sensingChemical Science, 11, 35, 9563–9570 (2020). [Online]

[47] Y. Ma, D. Sikdar, A. Fedosyuk, L. Velleman, D. J Klemme, S.-H Oh, A. RJ Kucernak, A. A. Kornyshev, and J. B. Edel, Electrotunable Nanoplasmonics for Amplified Surface Enhanced Raman SpectroscopyACS Nano, 14, 1, 328–336 (2019). [Online]

​[46] D. Sikdar and A. Kornyshev, An electro-tunable Fabry–Perot interferometer based on dual mirror-on-mirror nanoplasmonic metamaterialsNanophotonics, 8, 12, 2279–2290 (2019). [Online]

​[45] D. Sikdar, H. Weir, and A. Kornyshev, Optical response of electro-tuneable 3D superstructures of plasmonic nanoparticles self-assembling on transparent columnar electrodesOptics Express, 27, 19, 26483–26498 (2019). [Online]

​[44] Y. Ma, D. Sikdar, A. Fedosyuk, L. Velleman, M. Zhao, L. Tang, A. Kornyshev, and J. Edel, An auxetic thermo-responsive nanoplasmonic optical switchACS Applied Materials & Interfaces, 11, 22754–22760 (2019). [Online]

​[43] D. Sikdar and W. Zhu, Editorial: A Special Issue on Plasmonic MetamaterialsJournal of Physics: Condensed Matter, 31, 310401 (2019). [Online]

​[42] Q. Shi, D. E. Gómez, D. Dong, D. Sikdar, R. Fu, Y. Liu, Y. Zhao, D. Smilgies, and W. Cheng, 2D Free-Standing Janus Gold Nanocrystal SuperlatticesAdvanced Materials, 1900989, 1–6 (2019). [Online]

​[41] D. Dong, Q. Shi, D. Sikdar, Y. Zhao, Y. Liu, R. Fu, M. Premaratne, and W. Cheng, Site-specific Ag Coating on Concave Au Nanoarrows by Controlling Surfactant ConcentrationNanoscale Horizons, 4, 940–946 (2019). [Online]

​[40] Y. Ma, C. Zagar, D. J. Klemme, D. Sikdar, L. Velleman, Y. Montelongo, S. Oh, A. R. Kucernak, J. B. Edel, A. A Kornyshev, A Tunable Nanoplasmonic Mirror at an Electrochemical InterfaceACS Photonics, 5, 4604–4616 (2018). [Online

​[39] Q. Shi*, D. Sikdar*, R. Fu, K. J. Si, D. Dong, Y. Liu, M. Premaratne, and W. Cheng, Two-dimensional Binary Plasmonic Nanoassemblies with Semiconductor n/p-Doping-Like PropertiesAdvanced Materials, 30, 1801118 (2018). [Online] (*Equal Contributions)

​[38] Q. Shi, D. Dong, K. J. Si, D. Sikdar, L. W. Yap, M. Premaratne, and W. Cheng, Shape Transformation of Constituent Building Blocks within Self-Assembled Nanosheets and NanoorigamiACS Nano, 12, 1014–1022 (2018). [Online]

​[37] H. Weir, J. B. Edel, A. A. Kornyshev, and D. Sikdar, Towards Electrotuneable Nanoplasmonic Fabry–Perot Interferometer, Scientific Reports, 8, 565 (2018). [Online

​[36] Y. Montelongo, D. Sikdar, Y. Ma, A. J. S. McIntosh, L. Velleman, A. R. Kucernak, J. B. Edel and A. A. Kornyshev, Electrotunable Nanoplasmonic Liquid Mirror, Nature Materials, 16, 1127–1135, (2017). [Online]

​[35] W. Yang, K. J. Si, P. Guo, D. Dong, D. Sikdar, M. Premaratne, and W. Cheng, Self-Assembled Plasmonic Pyramids from Anisotropic Nanoparticles for High-Efficient SERS, Journal of Analysis and Testing, 1–9 (2017). [Online]

​[34] L. Velleman, L. Scarabelli, D. Sikdar, A. A. Kornyshev, L. M. Liz-Marzan and J. Edel, Monitoring Plasmon Coupling and SERS Enhancement through in situ Nanoparticle Spacing Modulation, Surface Enhanced Raman ScatteringSERS: Faraday Discussion, 205, 67–83 (2017). [Online]

​[33] M. Bazant, R. Bennewitz, S. Booth, R. Dryfe, H. Girault, R. Hillman, A. A. Kornyshev, S. Lemay, A. Mount, F. Mugele, O. Robotham, G. Schatz, D. Schiffrin, D. Sikdar, E. Smirnov, R. Tivony, M. Urbakh, Electrovariable Nanoplasmonics: General Discussion, Chemical Physics of Electroactive Materials: Faraday Discussion, 199, 603–613 (2017). [Online]

​[32] D. Sikdar, A. Bucher, and A. A. Kornyshev, Ultrafast Electro-variable Optical Response from Arrays of Plasmonic Nanocuboids at Liquid|Solid InterfacesChemical Physics of Electroactive Materials: Faraday Discussion, 199, 585–602 (2017). [Online]
                                                                                                  
[31] L. Velleman, D. Sikdar, V. Turek, S. Roser, A. A. Kornyshev, and J. B. Edel, Tuneable 2D Self-assembly of Plasmonic Nanoparticles at Liquid|Liquid InterfacesNanoscale, 8, 19229–19241 (2016).  [Online]Outside Front Cover  
                                           

[30]. D. Sikdar and A. A. Kornyshev, Theory of Tailorable Optical Response of Two-dimensional Arrays of Plasmonic Nanoparticles at Dielectric InterfacesScientific Reports, 6, 33712 (2016). [Online]

[29]. D. Sikdar, S. B. Hasan, M. Urbakh, J. B. Edel, and A. A. Kornyshev, Unravelling the optical responses of nanoplasmonic mirror-on-mirror metamaterials, Physical Chemistry Chemical Physics, 18, 20486–20498 (2016). [Online]

[28]. Q. Shi, K. J. Si, D. Sikdar, L. Yap, M. Premaratne, and W. Cheng, Two-Dimensional Bipyramid Plasmonic Nanoparticle Liquid Crystalline Superstructure with Four Distinct Orientational Packing Orders, ACS Nano, 10, 967–976 (2016). [Online]

[27]. W. Xiong, D. Sikdar, L. W. Yap, P. Guo, M. Premaratne, X. Li, and W. Cheng, Matryoshka Caged Gold Nanorods: Synthesis, Plasmonic Property and Catalytic Activity, Nano Research, 9, 415–423 (2016). [Online]

[26]. K. J. Si, D. Sikdar, L. W. Yap, J. K. K. Foo, P. Guo, Q. Shi, M. Premaratne, and W. Cheng, Dual-coded Plasmene Nanosheets as Next Generation Anti-counterfeit Security Labels, Advanced Optical Materials, 3, 1710–1717 (2015). [Online]

[25]. B. Kong, D. Sikdar, J. Tang, Y. Liu, M. Premaratne, W. Zhang, Y. Jing, G. Zheng, C. Selomulya, and D. Zhao, Interfacial Assembly of Mesoporous Nanopyramids as Ultra-sensitive Cellular Interfaces Featuring Efficient Direct Electrochemistry, NPG Asia Materials, 7, e204 (2015). [Online]

[24]. D. Sikdar, W. Zhu, W. Cheng, and M. Premaratne, Substrate-mediated Broadband Tunability in Plasmonic Resonances of  Metal Nanoantennas on Finite High-permittivity Dielectric Substrate, Plasmonics, 10, 1663–1673 (2015). [Online]

[23]. J. Tang, J. Li, D. Sikdar, B. Kong, Y. Quan, S. Che, Y. Wang, A. M. Al-Enizi, M. Premaratne, and Gengfeng Zheng, Plasmon-enhanced Photoelectrochemical Monitoring of Ca2+ from Living Cardiomyocytes, Journal of Electroanalytical Chemistry, 759, 14–20 (2015). [Online]

[22]. Y. Chen, K. J. Si, D. Sikdar, Y. Tang, M. Premaratne, and W. Cheng, Ultrathin Plasmene Nanosheets as Soft and Surface-Attachable SERS Substrates with High Signal Uniformity, Advanced Optical Materials, 3, 919–924 (2015). [Online] Frontispiece

[21]. D. Sikdar, W. Cheng, and M. Premaratne, Optically Resonant Magneto-Electric Cubic Nanoantennas for Ultra-Directional Light Scattering, Journal of Applied Physics, 117, 083101 (2015). [Online]

[20]. W. Xiong, D. Sikdar, L. W. Yap, M. Premaratne, X. Li, and W. Cheng, Multilayered Core–satellite Nanoassemblies with Finely-Tunable Broadband Plasmon Resonances , Nanoscale, 7, 3445–3452 (2015). [Online]

[19]. P. Guo, D. Sikdar, X. Huang, K. J. Si, W. Xiong, S. Gong, L. W. Yap, M. Premaratne, and W. Cheng, Plasmonic Core–Shell Nanoparticles for SERS Detection of the Pesticide Thiram: Size- and Shape-Dependent Raman Enhancement , Nanoscale, 7, 2862–2868 (2015). [Online]

[18]. W. Zhu, D. Sikdar, F. Xiao, M. Kang, and M. Premaratne, Gold Nanoparticles with Gain-assisted Coating for Ultra-sensitive Biomedical Sensing , Plasmonics, 10, 881–886 (2015). [Online]

[17]. P. Guo, D. Sikdar, X. Huang, K. J. Si, B. Su, Y. Chen, W. Xiong, L. W. Yap, M. Premaratne, and W. Cheng, Large-Scale Self-assembly and Stretch-induced Plasmonic Properties of Core–Shell Metal Nanoparticle Superlattice Sheets, The Journal of Physical Chemistry C, 118, 26816–26824 (2014). [Online]

[16]. K. J. Si*D. Sikdar*, Y. Chen, F. Eftekhari, Z. Xu, Y. Tang, W. Xiong, P. Guo, S. Zhang, Y. Lu, Q. Bao, W. Zhu, M. Premaratne, and W. Cheng, Giant Plasmene Nanosheets, Nanoribbons, and Origami, ACS Nano, 8, 11086–11093 (2014). [Online] (*Equal Contributions)

[15]. D. Sikdar, I. D. Rukhlenko, W. Cheng, and M. Premaratne, Tunable Broadband Optical Responses of Substrate-supported Metal/dielectric/metal Nanospheres, Plasmonics, 9, 659–672 (2014). [Online]

[14]. W. Zhu, F. Xiao, M. Kang, D. Sikdar, and M. Premaratne, Tunable Terahertz Left-handed Metamaterial Based on Multi-layer Graphene–Dielectric Composite, Applied Physics Letters, 104, 051902 (2014). [Online]

[13]. W. Xiong, D. Sikdar, M. Walsh, K. J. Si, Y. Tang, Y. Chen, R. Mazid, M. Weyland, I. D. Rukhlenko, J. Etheridge, M. Premaratne, X. Li, and W. Cheng, Single-crystal Caged Gold Nanorods with Tunable Broadband Plasmon Resonances, Chemical Communications, 49, 9630–9632 (2013). [Online]

[12]. D. Sikdar, I. D. Rukhlenko, W. Cheng, and M. Premaratne, Unveiling Ultrasharp Scattering–switching Signatures of Layered Gold–Dielectric–Gold Nanospheres, Journal of the Optical Society of America B, 30(8), 2066–2074 (2013). [Online]

[11]. D. Sikdar, I. D. Rukhlenko, W. Cheng, and M. Premaratne, Optimized Gold Nanoshell Ensembles for Biomedical Applications, Nanoscale Research Letters 8, 142–146 (2013). [Online]

[10]. D. Sikdar, I. D. Rukhlenko, W. Cheng, and M. Premaratne, Effect of Number Density on Optimal Design of Gold Nanoshells for Plasmonic Photothermal Therapy, Biomedical Optics Express 4 (1), 15–31 (2013). [Online]

[9] D. Sikdar, V. Tiwari, A. Soni, R. Jaiswal, and S. Bhanot, Polarization Multiplexed Interrogation Technique for FBG Sensor Array, Photonic Sensors, 5 (3), 193–201 (2015). [Online]

[8]. D. Sikdar, V. Tiwari, and V. K. Chaubey, Optimized Transmitter Module for NRZ-duobinary in Long-haul Optical Transmission Link, Optik - International Journal for Light and Electron Optics, 124 (17), 2597–2601 (2013). [Online]

[7]. D. Sikdar, V. Tiwari, Y. Saha, and V. K. Chaubey, 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, 124, 1411–1414 (2013). [Online]

[6]. D. Sikdar, Vinita Tiwari, and V. K. Chaubey, Investigation of RZ and NRZ Pulse Shape for Optimum Duobinary Transmission at 40 Gbps, Optik – International Journal for Light and Electron Optics, 124, 1148–1151 (2013). [Online]

[5]. V. Tiwari, D. Sikdar, M. N. Jyothi, G. Dixit, V.K. Chaubey, Investigation of Optimum Pulse Shape for 112Gbps DP-DQPSK in DWDM Transmission, Optik – International Journal for Light and Electron Optics, 124, 5567–5572 (2013). [Online]

[4]. V. Tiwari, D. Sikdar, and V. K. Chaubey, Performance Optimization of RZ-DQPSK Modulation Scheme for Dispersion Compensated Optical Link, Optik – International Journal for Light and Electron Optics, 124, 2593–2596 (2013). [Online]

[3]. D. Sikdar, Vinita Tiwari, and V. K. Chaubey, Optimum Dispersion Map Profile for a Stable DM Soliton System, Journal of Modern Optics, 59, 1396–1405 (2012). [Online]

[2]. D. Sikdar, S. Chaubey, V. Tiwari and V. K. Chaubey, Simulation and Performance Analysis of Duobinary 40 Gbps Optical Link, Journal of Modern Optics, 59 , 903–911 (2012). [Online]

[1]. V. Tiwari, D. Sikdar, and V.K. Chaubey, SPM Induced Limitation for 40Gbps Chirped Gaussian Pulses in Optical Channel, Optik –International Journal for Light and Electron Optics, 123, 1482–1485 (2012). [Online]

Conference Articles/Abstracts/Poster presentations

[16] A. K Chowdhary and D Sikdar, Ultra-broadband Wide-Angle Metallo-Dielectric Metamaterial Absorber for Solar Energy Harvesting, Workshop on Recent Advances in Photonics (WRAP), 1-3 (2019)

[15] J. B. Edel, A. A. Kornyshev, A. R. Kucernak, Y. Ma, Y. Montelongo, D. Sikdar, M. Urbakh, L.Velleman, C. Zagar, Electrochemical plasmonics for dynamic control of optical properties of self-assembling metamaterials, META 2019, Lisbon - Portugal (2019). 

[14] D. Sikdar, Y. Ma, A. Kucernak, J. Edel, A. Kornyshev, Nanoplasmonic Metamaterial Devices as Electrically Switchable Perfect Mirrors and Perfect Absorbers, FM3C.5, CLEO-2019, San Jose, California, USA (2019).

​[13] J. B. Edel, A. A. Kornyshev, A. R. Kucernak, Y. Ma, Y. Montelongo, D. Sikdar, M. Urbakh, L.Velleman, C. Zagar, Electrochemical plasmonics: A path to electrotunable self-assembling optical metamaterials, 687th International Topical Meeting on Nanophotonics and Metamaterials,  Seefeld (Tirol), Austria (2019).

​[12] D. Sikdar and A. A. Kornyshev, Electro-tuneable nanoplasmonic Fabry–Perot cavity for smart nano-optical devices, FD2-C3, Photonics 2018 - The International Conference on Fiber Optics and Photonics, Indian Institute of Technology Delhi, New Delhi, India (2018). [Link]

​[11] Y. Montelongo, D. Sikdar, Y. Ma, A. McIntosh, L. Velleman, A. Kucernak, J. Edel and A. Kornyshev, Electrotuneable nanoplasmonic mirror at liquid-liquid interface, P20, Chemical Physics of Electroactive Materials: Faraday Discussion, Cambridge, United Kingdom (2017).

[10] C. Zagar, R. Griffiths-Rhys, R. Podgornik, D. Sikdar, M. Urbakh, Y. Ma, Y. Montelongo, A. Kucernak, J. Edel and A. Kornyshev, Is electrovariable plasmonics at solid electrodes possible?, P20, Chemical Physics of Electroactive Materials: Faraday Discussion, Cambridge, United Kingdom (2017).

 [9] L. Velleman, D. Sikdar, Y. Montelongo, Y. Ma, Y. Huang, J. Million, W. Pitchford, V. Turek, S. Roser, A. Kucernak, A. Kornyshev, and J. Edel, Tunable assembly of plasmonic nanoparticles for use as reversible mirrors and sensors, 4A20_1, META 2016— The 7th International Conference on Metamaterials, Photonic Crystals and Plasmonics, Malaga, Spain (2016).

[8] D. Sikdar, K. J. Si, W. Zhu, W. Cheng, and M. Premaratne, Plasmene: An Artificial Graphene from Plasmonic Nanoparticle Family, EH_2_5, CLEO/Europe-EQEC Conference, Munich, Germany (2015). [Online]

[7] D. Sikdar and M. Premaratne, Electrically Tunable Directional SPP Propagation in Gold-nanoparticle-assisted Graphene Nanoribbons, IEEE Photonics Conference (IPC), San Diego, CA, USA, 330–331, (2014). [Online]

[6]. D. Sikdar, K. R. Kartic Bhargav, and S. Dewangan. 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). [Online]

[5]. D. Sikdar, V. Tiwari, V. K. Chaubey, 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).

[4]. D. Sikdar, G.S.S. Chalapathi and V.K. Chaubey, WSN Based TMR Security System for Sanitation Workers, Proceedings of National Conference on VLSI Design and Embedded Systems (NCVDES-2011), P6A.6–9 (2011).

[3]. D. Sikdar, G.S.S. Chalapathi and V.K. Chaubey, Bluetooth Based e-Tutor System for Effective Knowledge Transfer, National Conference on Converging Technologies Beyond 2020, 6(5), 634-637 (2011).

[2]. V. Tiwari, D. Sikdar, V. K. Chaubey, 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).

[1]. G.S.S. Chalapathi, D. Sikdar, V. K. Chaubey, WSN and GSM Based Smart Energy Management System, Proceedings of National Conference on VLSI Design and Embedded Systems, P6A.5 (2011).

Book Chapter

[1]. V. Arjun, D. Sikdar, V.K. Chaubey, High Speed Resonant Tunneling Diode Based on GaN & GaAs: A Modelling & Simulation ApproachNano technology 2008: Materials, Fabrication, Particles, and Characterization, Nanoscience & Technology Institute, Cambridge, MA, USA, CRC Press, 2008, Vol. 1 Chap. 2, pp. 258-265 (2008). [Online]