Gagan Kumar
Gagan Kumar
Associate Professor of Physics, IIT Guwahati
Verified email at - Homepage
Cited by
Cited by
Planar plasmonic terahertz waveguides based on periodically corrugated metal films
G Kumar, S Pandey, A Cui, A Nahata
New Journal of Physics 13, 033024, 2011
Plasmonic and nonlinear optical absorption properties of Ag: ZrO 2 nanocomposite thin films
M Kumar, CSS Sandeep, G Kumar, YK Mishra, R Philip, GB Reddy
Plasmonics 9 (1), 129-136, 2014
Formation of Self-organized Silver Nanocup-Type Structures and Their Plasmonic Absorption
YK Mishra, R Adelung, G Kumar, M Elbahri, S Mohapatra, R Singhal, ...
Terahertz surface plasmon polaritons on a semiconductor surface structured with periodic V-grooves
S Li, MM Jadidi, TE Murphy, G Kumar
Optics express 21 (6), 7041-7049, 2013
Terahertz surface plasmon waveguide based on a one-dimensional array of silicon pillars
G Kumar, S Li, MM Jadidi, TE Murphy
New Journal of Physics 15 (8), 085031, 2013
Planar terahertz waveguides based on complementary split ring resonators
G Kumar, A Cui, S Pandey, A Nahata
Optics express 19 (2), 1072-1080, 2011
Role of resonance modes on terahertz metamaterials based thin film sensors
M Islam, SJM Rao, G Kumar, BP Pal, DR Chowdhury
Scientific reports 7 (1), 1-8, 2017
Plasmon induced transparency effect through alternately coupled resonators in terahertz metamaterial
KM Devi, AK Sarma, DR Chowdhury, G Kumar
Optics express 25 (9), 10484-10493, 2017
Engineering the propagation properties of planar plasmonic terahertz waveguides
W Zhu, A Agrawal, A Cui, G Kumar, A Nahata
Selected Topics in Quantum Electronics, IEEE Journal of, 1-8, 2011
Surface enhanced Raman scattering of a surface plasma wave
G Kumar, DB Singh, VK Tripathi
Journal of Physics D: Applied Physics 39, 4436, 2006
Laser mode conversion into a surface plasma wave in a metal coated optical fiber
CS Liu, G Kumar, VK Tripathi
Journal of applied physics 100 (1), 013304, 2006
Anomalous absorption of surface plasma wave by particles adsorbed on metal surface
G Kumar, VK Tripathi
Applied Physics Letters 91 (16), 161503, 2007
Geometrical modifications and tuning of optical and surface plasmon resonance behaviour of Au and Ag coated TiO 2 nanotubular arrays
D Bhattacharyya, PK Sarswat, M Islam, G Kumar, M Misra, ML Free
RSC advances 5 (86), 70361-70370, 2015
Modulating the near field coupling through resonator displacement in planar terahertz metamaterials
SJM Rao, D Kumar, G Kumar, DR Chowdhury
Journal of Infrared, Millimeter, and Terahertz Waves 38 (1), 124-134, 2017
Ultrafast carrier dynamics and optical properties of nanoporous silicon at terahertz frequencies
JR Knab, X Lu, FA Vallejo, G Kumar, TE Murphy, LM Hayden
Optical Materials Express 4 (2), 300-307, 2014
Slot waveguide-based splitters for broadband terahertz radiation
S Pandey, G Kumar, A Nahata
Optics express 18 (22), 23466-23471, 2010
Terahertz nonlinear conduction and absorption saturation in silicon waveguides
S Li, G Kumar, TE Murphy
Optica 2 (6), 553-557, 2015
Plasmon-induced transparency in graphene-based terahertz metamaterials
KM Devi, M Islam, DR Chowdhury, AK Sarma, G Kumar
EPL (Europhysics Letters) 120 (2), 27005, 2018
Terahertz plasmonic waveguide based thin film sensor
M Islam, DR Chowdhury, A Ahmad, G Kumar
Journal of Lightwave Technology 35 (23), 5215-5221, 2017
Dual-band electromagnetically induced transparency effect in a concentrically coupled asymmetric terahertz metamaterial
KM Devi, DR Chowdhury, G Kumar, AK Sarma
Journal of Applied Physics 124 (6), 063106, 2018
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