From the 1 of 2 linked papers with an AI index.
2 papers
physics.optics2026
Vortex-Beam Transient Absorption Microspectroscopy Resolves Ultrafast Free-Exciton and Polaron Diffusion in 2D Perovskites
Ju-Young Kim, Anirban Mondal, Gi Rim Han +4
The authors introduce a vortex‑beam transient absorption microspectroscopy (VTAM) technique that encodes spatial diffusion into the pump‑probe signal, allowing sub‑picosecond measu…
physics.optics2024
Nonlinear optical detection of the orbital angular momentum of light
Ju-Young Kim, Minhaeng Cho
Optical beams carrying orbital angular momentum (OAM) have gained significant interest due to their unique properties, enhancing various communication systems and enabling applicat…