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ABHISHEK KUMAR
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Year
All‐dielectric active terahertz photonics driven by bound states in the continuum
S Han, L Cong, YK Srivastava, B Qiang, MV Rybin, A Kumar, R Jain, ...
Advanced Materials 31 (37), 1901921, 2019
2652019
Chalcogenide phase change material for active terahertz photonics
P Pitchappa, A Kumar, S Prakash, H Jani, T Venkatesan, R Singh
Advanced Materials 31 (12), 1808157, 2019
1882019
MoS2 for Ultrafast All‐Optical Switching and Modulation of THz Fano Metaphotonic Devices
YK Srivastava, A Chaturvedi, M Manjappa, A Kumar, G Dayal, C Kloc, ...
Advanced Optical Materials 5 (23), 1700762, 2017
1652017
Hybrid lead halide perovskites for ultrasensitive photoactive switching in terahertz metamaterial devices
M Manjappa, YK Srivastava, A Solanki, A Kumar, TC Sum, R Singh
Advanced materials 29 (32), 1605881, 2017
1512017
Ultrafast all‐optical switching of germanium‐based flexible metaphotonic devices
WX Lim, M Manjappa, YK Srivastava, L Cong, A Kumar, KF MacDonald, ...
Advanced materials 30 (9), 1705331, 2018
1342018
Excitons in 2D perovskites for ultrafast terahertz photonic devices
A Kumar, A Solanki, M Manjappa, S Ramesh, YK Srivastava, P Agarwal, ...
Science advances 6 (8), eaax8821, 2020
1192020
Phototunable chip-scale topological photonics: 160 Gbps waveguide and demultiplexer for THz 6G communication
A Kumar, M Gupta, P Pitchappa, N Wang, P Szriftgiser, G Ducournau, ...
Nature communications 13 (1), 5404, 2022
1122022
Solution‐processed lead iodide for ultrafast all‐optical switching of terahertz photonic devices
M Manjappa, A Solanki, A Kumar, TC Sum, R Singh
Advanced Materials 31 (32), 1901455, 2019
932019
Topological sensor on a silicon chip
A Kumar, M Gupta, P Pitchappa, YJ Tan, N Wang, R Singh
Applied Physics Letters 121 (1), 2022
682022
Volatile ultrafast switching at multilevel nonvolatile states of phase change material for active flexible terahertz metadevices
P Pitchappa, A Kumar, S Prakash, H Jani, R Medwal, M Mishra, RS Rawat, ...
Advanced Functional Materials 31 (17), 2100200, 2021
652021
Active Ultrahigh‐Q (0.2 × 106) THz Topological Cavities on a Chip
A Kumar, M Gupta, P Pitchappa, TC Tan, U Chattopadhyay, G Ducournau, ...
Advanced Materials 34 (27), 2202370, 2022
572022
Terahertz topological photonic integrated circuits for 6G and beyond: A Perspective
A Kumar, M Gupta, P Pitchappa, N Wang, M Fujita, R Singh
Journal of Applied Physics 132 (14), 2022
552022
Ultrafast Photo‐Thermal Switching of Terahertz Spin Currents
P Agarwal, R Medwal, A Kumar, H Asada, Y Fukuma, RS Rawat, ...
Advanced Functional Materials 31 (17), 2010453, 2021
382021
Frequency‐Agile Temporal Terahertz Metamaterials
P Pitchappa, A Kumar, H Liang, S Prakash, N Wang, AA Bettiol, ...
Advanced Optical Materials, 2020
372020
Terahertz MEMS metadevices
P Pitchappa, A Kumar, R Singh, C Lee, N Wang
Journal of Micromechanics and Microengineering 31 (11), 113001, 2021
342021
Polarization-tailored Fano interference in plasmonic crystals: a Mueller matrix model of anisotropic Fano resonance
SK Ray, S Chandel, AK Singh, A Kumar, A Mandal, S Misra, P Mitra, ...
ACS nano 11 (2), 1641-1648, 2017
322017
Interfacial topological photonics: broadband silicon waveguides for THz 6G communication and beyond
YJ Tan, W Wang, A Kumar, R Singh
Optics Express 30 (18), 33035-33047, 2022
272022
Topological integrated circuits for 5G and 6G
A Kumar, M Gupta, R Singh
Nature Electronics 5 (5), 261-262, 2022
272022
On-chip topological THz biosensors
N Navaratna, YJ Tan, A Kumar, M Gupta, R Singh
Applied Physics Letters 123 (3), 2023
252023
Electromechanically Tunable Frequency‐agile Metamaterial Bandpass Filters for Terahertz Waves
P Pitchappa, A Kumar, R Singh, N Wang
Advanced Optical Materials, 2101544, 2021
242021
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