A. Kumar

Quad-Band Circularly Polarized Tunable Graphene Based Dielectric Resonator Antenna for Terahertz Applications

P. Upender, A. Kumar, 2021, Silicon.

Compact Dual Band Varactor-Tunable Unequal-Length Branch-Line Hybrid

N. P. Pathak, A. Kumar, 2017, 2017 IEEE MTT-S International Microwave and RF Conference (IMaRC).

HEM11δ and HEM12δ-based Quad band Quad Sense Circularly Polarized tunable Graphene-based MIMO Dielectric Resonator Antenna

P. Upender, A. Kumar, Amarjit Kumar, 2022, Frequenz.

Reduced interfacial recombination in perovskite solar cells by structural engineering simulation

Atul Kumar, J. Prasanna, A. Kumar, 2022, Journal of Optics.

Review of nanomaterials impact on improving the performance of dye-sensitized and perovskite solar cells

Atul Kumar, J. Prasanna, A. Kumar, 2022, Optical and Quantum Electronics.

Bandgap Graded Perovskite Solar Cell for Above 30% Efficiency

Atul Kumar, Ekta Goel, A. Laref, 2022, Optik.