Prof. Anuj Dhawan Profile

Prof. Anuj Dhawan

Research Assistant at Indian Institute of Technology Delhi

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Author

Publications (28)

Proceedings Article | 9 June 2023 Poster + Paper

Electromagnetic modelling of near-field plasmonic switches based on fractal nanoantennas

Yashna Sharma, Kirti Dalal, Anuj Dhawan

Proceedings Volume 12584, 125840G (2023) https://doi.org/10.1117/12.2665700

KEYWORDS: Fractal analysis, Plasmonics, Switches, Nanoantennas, Switching, Near field, Intelligence systems, Circuit switching, Semiconductors, Electromagnetism

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Proceedings Article | 20 August 2020 Poster + Presentation + Paper

Design and modeling of novel plasmonic switches based on phase change materials

Y. Sharma, S. Jain, R. Vishen, A. Dhawan

Proceedings Volume 11462, 1146232 (2020) https://doi.org/10.1117/12.2571259

KEYWORDS: Reflectivity, Plasmonics, Switches, Gold, Nanostructures, Vanadium, Switching, Thin films

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Proceedings Article | 15 April 2020 Presentation + Paper

Plasmonic metal-oxide core-shell nanoparticles for enhanced power conversion efficiency of organic solar cells

Kamal Kumar, Abhijit Das, Uttam Kumawat, Anuj Dhawan

Proceedings Volume 11365, 113650U (2020) https://doi.org/10.1117/12.2555584

KEYWORDS: Silver, Absorption, Nanoparticles, Oxides, Solar cells, Organic photovoltaics, Plasmonics, Scattering, Finite-difference time-domain method, Light scattering

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Proceedings Article | 2 April 2020 Presentation + Paper

Integrated electro-optic tunable power splitter based on microring resonators having interleaved PN junctions

Priyanka Bhardwaj, Rajib Ghosh, Abhijit Das, Anuj Dhawan

Proceedings Volume 11364, 113641J (2020) https://doi.org/10.1117/12.2556054

KEYWORDS: Resonators, Waveguides, Microrings, Integrated optics, Electro optics, Modulation, Finite-difference time-domain method

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Proceedings Article | 1 April 2020 Presentation + Paper

Plasmonics-enhanced organic solar cells with complex metallic nanoparticles

Abhijit Das, Kamal Kumar, Anuj Dhawan

Proceedings Volume 11366, 113660I (2020) https://doi.org/10.1117/12.2555583

KEYWORDS: Absorption, Solar cells, Plasmonics, Organic photovoltaics, Nanoparticles, Scattering, Finite-difference time-domain method

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Proceedings Article | 1 April 2020 Presentation + Paper

Polarization-independent SERS substrates for trace detection of chemical and biological molecules

Y. Sharma, S. Gupta, A. Das, A. Dhawan

Proceedings Volume 11345, 113452M (2020) https://doi.org/10.1117/12.2556050

KEYWORDS: Surface enhanced Raman spectroscopy, Polarization, Raman spectroscopy, Plasmonics, Finite-difference time-domain method, Nanostructures, Raman scattering

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Proceedings Article | 3 March 2020 Paper

Plasmonic nanostructures for enhanced performance of microcrystalline silicon solar cells

Uttam Kumawat, Akanksha Ninawe, Kamal Kumar, Anuj Dhawan

Proceedings Volume 11275, 112751E (2020) https://doi.org/10.1117/12.2546804

KEYWORDS: Solar cells, Plasmonics, Absorption, Nanostructures, Finite-difference time-domain method, Thin film solar cells, Microcrystalline materials, Silicon solar cells, Surface plasmons

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Proceedings Article | 21 February 2020 Paper

Design and modeling of SERS based sensor chips for applications in nanomedicine

Nitin Gupta, Akanksha Ninawe, Anuj Dhawan

Proceedings Volume 11257, 1125709 (2020) https://doi.org/10.1117/12.2546705

KEYWORDS: Nanoantennas, Plasmonics, Nanostructures, Finite-difference time-domain method, Sensors, Nanomedicine, Raman scattering

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Proceedings Article | 26 April 2019 Paper

Design of electro-optic modulators and switches based on graphene and phase change materials

Rajib Ghosh, Priyanka Bhardwaj, Senthil Subramanian, Mangesh Jaiswal, Anuj Dhawan

Proceedings Volume 11031, 110311F (2019) https://doi.org/10.1117/12.2524933

KEYWORDS: Waveguides, Graphene, Photonic crystals, Switches, Electrooptic modulators, Electro optics

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Proceedings Article | 26 April 2019 Paper

Design and modeling of long-range hybrid plasmonic waveguides

Rajib Ghosh, Abhijit Das, Arun Thomas, Mangesh Jaiswal, Anuj Dhawan

Proceedings Volume 11031, 110311E (2019) https://doi.org/10.1117/12.2524932

KEYWORDS: Silicon, Plasmonic waveguides, Nanowires, Waveguides, Silver, Plasmonics

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Proceedings Article | 11 April 2019 Paper

Hydrogen sensors based on plasmonic nanostructures present on palladium films

Yashna Sharma, Mangesh Jaiswal, Rajib Ghosh, Anuj Dhawan

Proceedings Volume 11028, 110282Z (2019) https://doi.org/10.1117/12.2524928

KEYWORDS: Palladium, Hydrogen, Nanowires, Gold, Sensors, Plasmonics

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Proceedings Article | 11 April 2019 Paper

Modelling and fabrication of novel SERS sensor chips for chemical and biological sensing applications

Yashna Sharma, Rajib Ghosh, Mangesh Jaiswal, Anuj Dhawan

Proceedings Volume 11028, 1102830 (2019) https://doi.org/10.1117/12.2524931

KEYWORDS: Nanoparticles, Nanolithography, Plasmonics, Plasmons, Finite-difference time-domain method, Nanostructures

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Proceedings Article | 7 March 2019 Paper

Nanostructured plasmonic gold films for enhanced sensitivity of SPR biological sensing and imaging

Ajay Kumar Agrawal, Nitin Gupta, Abhijit Das, Kaleem Ahmed, Anuj Dhawan

Proceedings Volume 10894, 108940M (2019) https://doi.org/10.1117/12.2511098

KEYWORDS: Reflectivity, Plasmonics, Nanostructures, Thin films, Surface plasmon polaritons

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Proceedings Article | 7 March 2019 Paper

Nanoholes arrays as effective SERS substrates with multiple wavelength SERS response and large electromagnetic SERS enhancement factors

Nitin Gupta, Rajib Ghosh, Anuj Dhawan

Proceedings Volume 10894, 1089418 (2019) https://doi.org/10.1117/12.2510828

KEYWORDS: Surface enhanced Raman spectroscopy, Plasmonics, Reflection, Finite-difference time-domain method, Raman spectroscopy, Nanostructures

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Proceedings Article | 4 March 2019 Paper

Plasmonic nanostructured chips for chemical and biological sensing in the UV-regime

Kaleem Ahmed, Ajay Kumar Agrawal, Senthil Subramanian, Abhijit Das, Anuj Dhawan

Proceedings Volume 10890, 108902Q (2019) https://doi.org/10.1117/12.2511073

KEYWORDS: Aluminum, Plasmonics, Sensors, Reflectivity, Ultraviolet radiation, Surface plasmons, Nanostructures, Biosensing

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Proceedings Article | 4 March 2019 Paper

Broadband electro-optic modulator based on a phase-change material embedded in silicon photonic crystal slab waveguide

Rajib Ghosh, Priyanka Bhardwaj, Nitin Gupta, Senthil Subramanian , Anuj Dhawan

Proceedings Volume 10923, 109231V (2019) https://doi.org/10.1117/12.2511128

KEYWORDS: Waveguides, Photonic crystals, Modulators, Silicon, Electrooptic modulators, Switching, Finite-difference time-domain method

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Proceedings Article | 4 March 2019 Paper

Active plasmonic nanoantenna-based switch for controlling near-field properties

Nitin Gupta, Priten Savaliya, Senthil Subramanian , Anuj Dhawan

Proceedings Volume 10927, 1092729 (2019) https://doi.org/10.1117/12.2510909

KEYWORDS: Nanoantennas, Plasmonics, Switches, Near field, Finite-difference time-domain method, Active plasmonics

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Proceedings Article | 4 March 2019 Paper

Slotted electro-optic ring resonator as a tunable optical power splitter

Rajib Ghosh, Janib Bashir, Smruti Sarangi, Abhijit Das, Anuj Dhawan

Proceedings Volume 10923, 109231U (2019) https://doi.org/10.1117/12.2511024

KEYWORDS: Resonators, Refractive index, Electro optic polymers, Silicon, Electro optics, Waveguides, Finite-difference time-domain method

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Proceedings Article | 27 February 2019 Paper

Design of long-range hybrid plasmonic waveguides

Rajib Ratan Ghosh, Arun Thomas, Priyanka Bhardwaj, Senthil Subramanian, Kaleem Ahmed, Anuj Dhawan

Proceedings Volume 10914, 109141Z (2019) https://doi.org/10.1117/12.2511025

KEYWORDS: Silicon, Nanowires, Thin films, Plasmonics, Plasmonic waveguides

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Proceedings Article | 27 February 2019 Paper

Plasmonic enhancement of absorption in bulk-heterojunction organic solar cells

Kamal Kumar, Abhijit Das, Uttam Kumawat, Pankaj Das, Sumakesh Mishra, Anuj Dhawan

Proceedings Volume 10915, 1091512 (2019) https://doi.org/10.1117/12.2515404

KEYWORDS: Absorption, Plasmonics, Solar cells, Scattering, Nanostructures, Organic photovoltaics, Light scattering

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Proceedings Article | 27 February 2019 Paper

Enhanced performance of InGaN thin-film solar cells containing plasmonic and dielectric nanostructures

Uttam Kumawat, Kamal Kumar, Pankaj Das , Kaleem Ahmed, Priyanka Bhardwaj, Anuj Dhawan

Proceedings Volume 10913, 109131P (2019) https://doi.org/10.1117/12.2515405

KEYWORDS: Solar cells, Nanostructures, Absorption, Indium gallium nitride, Plasmonics, Finite-difference time-domain method, Thin film solar cells, Light scattering

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Proceedings Article | 1 February 2019 Paper

Plasmonic switches based on arrays of plasmonic nanostructures surrounded by VO2 thin films

Yashna Sharma, Rajib Ghosh, Vaibhav Sapra, Vipul Jalal, Kaleem Ahmed, Anuj Dhawan

Proceedings Volume 10926, 109262S (2019) https://doi.org/10.1117/12.2511206

KEYWORDS: Switching, Plasmonics, Plasmonic waveguides, Vanadium, Nanostructures, Thin films

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Proceedings Article | 19 February 2009 Paper

Fabrication of novel plasmonics-active substrates

Anuj Dhawan, Michael Gerhold, Yan Du, Veena Misra, Tuan Vo-Dinh

Proceedings Volume 7205, 72050S (2009) https://doi.org/10.1117/12.809887

KEYWORDS: Silicon, Molecules, Nanostructures, Nanolithography, Germanium, Diamond, Raman scattering, Lithography, Metals, Nanowires

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Proceedings Article | 18 February 2009 Paper

Fabrication of metallic nanodot structures using focused ion beam (FIB) and electron beam-induced deposition for plasmonic waveguides

Anuj Dhawan, Michael Gerhold, Phillip Russell, Tuan Vo-Dinh, Donovan Leonard

Proceedings Volume 7224, 722414 (2009) https://doi.org/10.1117/12.809927

KEYWORDS: Nanostructures, Nanolithography, Gold, Nanoparticles, Electron beams, Plasmonic waveguides, Ion beams, Plasmons, Metals, Electron beam-induced deposition

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Proceedings Article | 21 February 2008 Paper

Theoretical modeling of plasmon resonances: effect of aspect ratio in spheroidal nanoshells

Stephen Norton, Anuj Dhawan, Michael Gerhold, Tuan Vo-Dinh

Proceedings Volume 6869, 68690Y (2008) https://doi.org/10.1117/12.779203

KEYWORDS: Spherical lenses, Plasmons, Particles, Finite element methods, Optical spheres, Scattering, Plasmonics, Dielectrics, Solids, Nanorods

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Proceedings Article | 21 February 2008 Paper

Nano-engineered surface-enhanced Raman scattering (SERS) substrates with patterned structures on the distal end of optical fibers

Anuj Dhawan, Yan Zhang, Fei Yan, Michael Gerhold, Tuan Vo-Dinh

Proceedings Volume 6869, 68690G (2008) https://doi.org/10.1117/12.763879

KEYWORDS: Gold, Nanostructures, Nanoparticles, Optical fibers, Surface plasmons, Electromagnetism, Raman scattering, Annealing, Molecules, Nanorods

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Proceedings Article | 11 February 2008 Paper

Geometry-dependent plasmon resonances of metallic nanostructures for enhancement of localized electromagnetic fields around the nanostructures

Michael Gerhold, Anuj Dhawan, Tuan Vo-Dinh

Proceedings Volume 6902, 690208 (2008) https://doi.org/10.1117/12.771440

KEYWORDS: Nanostructures, Electromagnetism, Finite-difference time-domain method, Nanolithography, Optical fibers, Nanoparticles, Ion beams, Gold, Plasmons, Nanorods

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Proceedings Article | 2 February 2007 Paper

Plasmon resonance based in-line fiber optic sensing

M. Gerhold, A. Dhawan, J. Muth

Proceedings Volume 6479, 64790N (2007) https://doi.org/10.1117/12.693028

KEYWORDS: Gold, Nanoparticles, Optical fibers, Sensors, Fiber optics sensors, Plasmons, Annealing, Refractive index, Thin films, Multimode fibers

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Showing 5 of 28 publications

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