3 papers
physics.optics2026
Broadband Single-Particle Absorption Circular Dichroism Reveals Chiroptical Heterogeneity in Gold Helicoids
Rohit B. Raj, Susanna Bertuletti, Jeong Hyun Han +7
Quantitative measurements of absorption circular dichroism (CD) at the single-particle level are essential for understanding how individual chiral nanostructures dissipate optical…
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…