activity
20202026
most citedSecond-harmonic optical circular dichroism of plasmonic chiral helicoid-III nanoparticles

48 citations · 66 across the 6 of their papers we have counts for

collaborators

6 papers

physics.optics2026

Helicity-Resolved Spatiotemporal Mapping of Chiral Plexcitons in Helicoids

Jeong Hyun Han, Sankaran Ramesh, Jaeyeon Jo +10

Plasmon-exciton hybrids, or plexcitons, offer deeply subwavelength light-matter interactions with versatile pathways for energy redistribution. Incorporating chirality into such sy…

physics.optics2025

Broadband ultrafast self-heterodyned chiro-optical spectroscopy

Francesco Gucci†, Andrea Iudica†, Andres Valladares Y Tacchi† +12

Ultrafast chiro-optical spectroscopy provides unique access to the structural dynamics of molecules, spin-valley relaxation in semiconductors, and the non-equilibrium optical respo…

cs.IT2022

On the Physical Layer Security of Visible Light Communications Empowered by Gold Nanoparticles

Geonho Han, Hyuckjin Choi, Ryeong Myeong Kim +3

Visible light is a proper spectrum for secure wireless communications because of its high directivity and impermeability in indoor scenarios. However, if an eavesdropper is located…

cond-mat.mtrl-sci2022★ 18 cited

Strain and Crystallographic Identification of the Helically Concaved Surfaces of Nanoparticles

Sungwook Choi, Sang Won Im, Ji-Hyeok Huh +13

Identifying the three-dimensional (3D) crystal-plane and strain-field distributions of nanocrystals is essential for optical, catalytic, and electronic applications. Here, we devel…

physics.optics2022★ 48 cited

Second-harmonic optical circular dichroism of plasmonic chiral helicoid-III nanoparticles

Florian Spreyer, Jungho Mun, Hyeohn Kim +4

While plasmonic particles can provide optical resonances in a wide spectral range from the lower visible up to the near-infrared, often symmetry effects are utilized to obtain part…

physics.app-ph2020

Valley Polarization Enhancement Induced by a Single Chiral Nanoparticle

Sejeong Kim, Yae Chan Lim, Ryeong Myeong Kim +4

Valley polarization is amongst the most critical attributes of atomically thin materials. However, achieving a high contrast from monolayer transition metal dichalcogenides (TMDs)…