activity
20102026
most citedEnhancement in optically induced ultrafast THz response of MoSe2MoS2 heterobilayer

15 citations · 35 across the 7 of their papers we have counts for

collaborators

7 papers

physics.optics2026

Two Photon excitation microscopy of individual Single-Walled Carbon Nanotubes

Nasim Akhtar, Marc Tondusson, Benjamin Flavel +2

Two-photon fluorescence imaging achieves deep-tissue penetration through long excitation wavelengths and nonlinear excitation confinement. The 1700 nm transparency window is partic…

cond-mat.soft2026

Orientational frustration drives enhanced diffusion of anisotropic particles in a liquid labyrinth

Rohit Mangalwedhekar, Limeng Ruan, Somen Nandi +5

Transport of nanoscale objects in complex, structured environments plays a key role in a wide range of processes, from biomolecular dynamics in extracellular spaces to transport in…

physics.app-ph2021

Optical Damage Threshold and THz Generation Efficiency of (Fe,CoFeB)/(Ta,Pt) Spintronic Emitters

Sandeep Kumar, Anand Nivedan, Arvind Singh +5

THz pulses are generated from femtosecond pulse-excited ferromagnetic/nonmagnetic spintronic heterostructures via inverse spin Hall effect. The contribution from ultrafast demagnet…

cond-mat.mes-hall2021★ 4 cited

Sub-bandgap activated charges transfer in a graphene-MoS2-graphene heterostructure

Sunil Kumar, Arvind Singh, Anand Nivedan +7

Monolayers of transition metal dichalcogenides are semiconducting materials which offer many prospects in optoelectronics. A monolayer of molybdenum disulfide (MoS2) has a direct b…

physics.app-ph2020★ 15 cited

Enhancement in optically induced ultrafast THz response of MoSe2MoS2 heterobilayer

Sunil Kumar, Arvind Singh, Sandeep Kumar +7

THz conductivity of large area MoS2 and MoSe2 monolayers as well as their vertical heterostructure, MoSe2MoS2 is measured in the 0.3-5 THz frequency range. Compared to the monolaye…

cond-mat.mtrl-sci2019★ 8 cited

Study of the photo-switching of a Fe(II) chiral complex through linear and nonlinear ultrafast spectroscopy

Amine Hamouda, Fredéric Dutin, Jerome Degert +4

Photo-switching the physical properties of molecular systems opens large possibilities for driving materials far from equilibrium toward new states. Moreover, ultra-short pulses of…

cond-mat.mes-hall2010★ 8 cited

Direct observation of low frequency confined acoustic phonons in silver nanoparticles: Terahertz time domain spectroscopy

Sunil Kumar, N. Kamaraju, B. Karthikeyan +3

Terahertz time domain spectroscopy has been used to study low frequency confined acoustic phonons of silver nanoparticles embedded in poly(vinyl alcohol) matrix in the spectral ran…