Gagan Kumar

About Gagan Kumar

Gagan Kumar, With an exceptional h-index of 24 and a recent h-index of 18 (since 2020), a distinguished researcher at Indian Institute of Technology Guwahati, specializes in the field of Terahertz, Plasmonics, Metamaterials, photonics, waveguides.

His recent articles reflect a diverse array of research interests and contributions to the field:

Planar terahertz multi-resonator meta-waveguide based upon strongly coupled nested split-ring resonator

All-dielectric asymmetric planar metasurface based dual-parametric sensor

Terahertz binary computing in a coupled toroidal metasurface

Comparison of U and coil-shaped fiber sensors for fluoride detection in water

Single and dual-band electromagnetically induced transparency in a strongly near field coupled planar toroidal terahertz metamaterial

Broadening of Resonance With the Bending of Strongly Coupled Strip Resonators in a Planar Terahertz Metamaterial

Terahertz tunable band-stop filter using topological valley photonic crystals

Multi-stacked polarization insensitive broadband terahertz metamaterial

Gagan Kumar Information

University

Position

Associate Professor of Physics

Citations(all)

1669

Citations(since 2020)

1058

Cited By

990

hIndex(all)

24

hIndex(since 2020)

18

i10Index(all)

38

i10Index(since 2020)

31

Email

University Profile Page

Indian Institute of Technology Guwahati

Google Scholar

View Google Scholar Profile

Gagan Kumar Skills & Research Interests

Terahertz

Plasmonics

Metamaterials

photonics

waveguides

Top articles of Gagan Kumar

Title

Journal

Author(s)

Publication Date

Planar terahertz multi-resonator meta-waveguide based upon strongly coupled nested split-ring resonator

Optik

Maidul Islam

Anshul Bhardwaj

Gagan Kumar

2024/5/1

All-dielectric asymmetric planar metasurface based dual-parametric sensor

Optics Communications

Bhairov Kumar Bhowmik

Tanmay Bhowmik

Pranav Kumar Pandey

Makaraju Srinivasa Raju

Debabrata Sikdar

...

2024/1/1

Terahertz binary computing in a coupled toroidal metasurface

Scientific Reports

Angana Bhattacharya

Bhagwat Singh Chouhan

Kajal Sharma

Sami M Halawani

Amir Ahmad

...

2024/4/15

Comparison of U and coil-shaped fiber sensors for fluoride detection in water

Mohd Ashraf

Mainuddin

Mirza Tariq Beg

Fiza Moin

Ananta Saikia

...

2024/2

Single and dual-band electromagnetically induced transparency in a strongly near field coupled planar toroidal terahertz metamaterial

Optics & Laser Technology

Lavi Kumar Vaswani

Bhagwat Singh Chouhan

Anuraj Panwar

Angana Bhattacharya

Fiza Moin

...

2024/9/1

Broadening of Resonance With the Bending of Strongly Coupled Strip Resonators in a Planar Terahertz Metamaterial

Journal of Lightwave Technology

Bhagwat Singh Chouhan

Bhumidhar Barman

Lavi Kumar Vaswani

Anuraj Panwar

Gagan Kumar

2024/1/12

Terahertz tunable band-stop filter using topological valley photonic crystals

Applied Optics

Rajesh Kumar

KM Rohith

Shashank Pandey

Sanjeev K Srivastava

Gagan Kumar

2024/1/1

Multi-stacked polarization insensitive broadband terahertz metamaterial

Journal of Applied Physics

Bhagwat Singh Chouhan

Nityananda Acharyya

Anuraj Panwar

Dibakar Roy Chowdhury

Gagan Kumar

2024/5/7

Terahertz Logic Gate Operations in a Toroidal Metasurface

arXiv preprint arXiv:2310.18691

Angana Bhattacharya

Bhagwat S Chouhan

Kajal Sharma

Gagan Kumar

2023/10/28

Quality factor enhancement via lattice coupled toroidal mode in a terahertz metamaterial

Angana Bhattacharya

Gagan Kumar

2023/6/6

Epsilon-Near-Zero Material based Dual-Polarization On-Chip Electro-Optic Modulator

Tanmay Bhowmik

Bhairov Kr Bhowmik

Pranav Kr Pandey

Gagan Kumar

Debabrata Sikdar

2023/10/9

Dual-band electro-optic modulator based on tunable broadband metamaterial absorber

Optics & Laser Technology

Tanmay Bhowmik

Bhairov Kr Bhowmik

Pranav Kr Pandey

Gagan Kumar

Debabrata Sikdar

2023/6/1

Highly confined terahertz spoof plasmon propagation in a parallel plate corrugated waveguide

Journal of Optics

Roopkiranpreet Kaur

Maidul Islam

PC Agarwal

Sukhdeep Kaur

Gagan Kumar

2023/12/7

Broadband terahertz linear cross-polarization conversion in transmission mode using planar coupled metamaterials

Journal of Applied Physics

S Jagan Mohan Rao

Rakesh Sarkar

Ajinkya Punjal

Dipa Ghindani

Dibakar Roy Chowdhury

...

2023/3/28

Terahertz meta-waveguide based upon strongly near-field coupled split-ring resonators

Journal of Infrared, Millimeter, and Terahertz Waves

Maidul Islam

Anshul Bhardwaj

Bhairov Kumar Bhowmik

Gagan Kumar

2023/10

Thermally controllable electromagnetically induced transparency in a coupled terahertz metamaterial

Materials Today: Proceedings

Lavi Kumar Vaswani

Anuraj Panwar

Gagan Kumar

2023/5/19

U-shaped plastic optical fiber sensor for phosphate detection in water

Optical and Quantum Electronics

Mohd Ashraf

Mainuddin Mainuddin

Mirza Tariq Beg

Fiza Moin

Ananta Saikia

...

2023/9/19

Excitation of Toroidal Resonances in Meta-surfaces and their Applications at Terahertz Frequencies

Angana Bhattacharya

2023

Polarization independent lattice-coupled terahertz toroidal excitation

Journal of Physics D: Applied Physics

Gagan Kumar Angana Bhattacharya

Bhagwat Singh Chouhan

Rajan Singh

Bhairov K Bhowmik

2023/7

A Photoexcited Actively Tunable Terahertz Metamaterial Encoder

KM Dhriti

Maidul Islam

Gagan Kumar

2023/5/7

See List of Professors in Gagan Kumar University(Indian Institute of Technology Guwahati)