collaborators

4 papers

cond-mat.str-el2026

Evolution of terahertz third harmonic response across rare-earth nickelate phase-diagram

Gulloo Lal Prajapati, Igor Ilyakov, Alexey Ponomaryov +8

High harmonic generation (HHG) is a sensitive probe for investigating electronic structures and dynamics of materials and a source for attosecond pulses. In particular, HHG with te…

cond-mat.mtrl-sci2026

Room-Temperature Terahertz Photoconductivity Polarity Switching in High Entropy Nickelates with Implications for Photonic Synapses

Sanjeev Kumar, Brijesh Singh Mehra, Gaurav Dubey +5

High entropy oxides (HEO) hold the potential to revolutionize the conventional material paradigms by leveraging high order of chemical disorder that induces highly desirable exotic…

cond-mat.mtrl-sci2024

Myriad of Terahertz Magnons with All-Optical Magnetoelectric Functionality for Efficient Spin-Wave Computing in Honeycomb Magnet Co4Ta2O9

Brijesh Singh Mehra, Sanjeev Kumar, Gaurav Dubey +5

Terahertz (THz) magnonics represent the notion of mathematical algebraic operations of magnons such as addition and subtraction in THz regime which is an emergent dissipationless u…

cond-mat.mtrl-sci2024

Terahertz crystal-field transitions and quasi ferromagnetic magnon excitations in a noncollinear magnet for hybrid spin-wave computation

Gaurav Dubey, Brijesh Singh Mehra, Sanjeev Kumar +4

The complexity of interactions between the crystal-field and unusual non-collinear spin arrangement in non-trivial magnets demands novel tools to unravel the mystery underneath. In…