team

Ananth Krishnan

Professor

Ph.D. Electrical Engineering, Texas Tech University

044-2257 4451

ananthk@ee.iitm.ac.in

Personal Link

ESB Annexe 407

  • Ananth Krishnan is a Professor of Electrical Engineering at IIT Madras. His areas of research include Plasmonics, Metamaterials, Optical and electrochemical Sensors, Optical Vortices, Microscopy

  • Plasmonics, Metamaterials, Microscopy, Nanophotonics, Optical vortex beams, Refractive index sensors

  • Young Faculty Recognition Award (2018)
  • Institute Research Award for 2 PhD students
  • Few best paper awards at conferences

    Current Courses

  • Digital System Design

    Previous Courses

  • Basic Electrical Engineering
  • Engineering Electromagnetics
  • Computational Electromagnetics
  • Physics 2
  • Signals and Systems
  • Computer methods in electrical engineering
  • Professional Ethics
  • Wave propagation for communication
  • Optical sensors

  • Representative publications:-
  • [1]S. Karmakar, A. Ringne, N. Kumar and A. Krishnan, “Uniform dipole resonance and suppressed quadrupole resonance for constant transmittivity full phase control plasmonic metasurfaces," vol. 14, article 31499, Scientific Reports, 2024
  • N. Kumar, A. Arora and A. Krishnan, “A Simulation-Based Analysis of Optical Read-Out for Electrochemical Reactions Using Composite Vortex Beams,” vol. 14, issue 1, article 22218, Scientific Reports, 2024
  • http://dx.doi.org/10.1038/s41598-024-72701-8
  • [2] A. Ringne, N. Kumar, S. Karmakar, P. Pushkar, A. Krishnan, “Generation of complex beams using flattening of binary gratings,” Journal of the Optical Society of America B, vol. 41, issue 6, p. 1364-1372, 2024
  • http://dx.doi.org/10.1364/JOSAB.518682
  • [3] N. Kumar, A. Arora, A. Krishnan, “Plasmonically enhanced composite vortex beam generation using ultra-thin dielectric fork gratings,” Journal of the Optical Society of America B, vol. 39, issue 8, p. 2084-2090, 2022
  • http://dx.doi.org/10.1364/JOSAB.460366
  • [4] A. Arora, K.L. Ganapathi, T. Dixit T, M. Miryala, M. Masato, MSR Rao, A.Krishnan, “Thickness-Dependent Nonlinear Electrical Conductivity of Few- Layer Muscovite Mica,” Physical Review Applied, vol. 17, issue 6, article 64042, 2022
  • https://doi.org/10.1103/PhysRevApplied.17.064042
  • [5] A. Arora, P.K. Nayak, S. Bhattacharyya, N. Maity, A.K. Singh, A. Krishnan, MSR Rao,“Interlayer excitonic states in MoSe2/Mo S2 van der Waals heterostructures,” Physical Review B, vol. 103, issue 20, article 205406, 2021
  • https://doi.org/10.1103/PhysRevB.103.205406
  • [6] N. Kumar, A. Arora A, A. Krishnan,“Single-shot generation of composite optical vortex beams using hybrid binary fork gratings,” Optics Express, vol. 29, issue 21, p. 33703-33715, 2021
  • https://doi.org/10.1364/OE.437659
  • [7] N. Kumar, A. Arora, A. Krishnan, “Complementary AC Voltammetry - A Method for Simultaneous Measurement of Faradaic and Nonfaradaic Currents in an Electrochemically Reversible System,” IEEE Sensors Journal, vol. 20, issue 22, p. 13196-13203, 2020
  • https://doi.org/10.1109/JSEN.2020.3004426
  • [8] Arora A.,Nayak P.K.,Ganapathi K.L.,Dixit T.,A. Krishnan,Rao MSR., “Stacking angle dependent multiple excitonic resonances in bilayer tungsten diselenide,” Nanophotonics, vol. 9, issue 12, p. 3881-3887, 2020
  • https://doi.org/10.1515/nanoph-2020-0034
  • [9] Arora A.,Dixit T.,Anil Kumar K.V.,Krishnan S.,Lakshmi Ganapathi K.,A. Krishnan,Nayak P.K.,Ramachandra Rao M.S., “Plasmon induced brightening of dark exciton in monolayer WSe2 for quantum optoelectronics,” Applied Physics Letters, vol. 114, issue 20, article 201101, 2019
  • https://doi.org/10.1063/1.5093664

  • I am keen to work with students interested in research in the areas of Nanophotonics, Plasmonics, Metamaterials and Sensors.
DEPARTMENT OF Electrical Engineering
Indian Institute of Technology Madras
Chennai, Tamil Nadu, India.
PIN-Code : 600036
Phone: +91-44-2257 4400
Fax: +91-44-22574402
Email:eeoffice@ee.iitm.ac.in
© 2023-All rights reserved.DEPARTMENT OF Electrical Engineering || Website Credits