JunWoo Kim2 articles listing JunWoo Kim in Nature Communications, Science Advances, indexed by Paperzzz from Crossref and OSF.Femtosecond spectroscopy with paired single photons: Emulating a double-slit experiment in the time-frequency domain Science AdvancesIn situ and real-time ultrafast spectroscopy of photoinduced reactions in perovskite nanomaterials Nature Communications