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An experimental atomic physicist who coauthored a trapped-gas study of the Berezinskii–Kosterlitz–Thouless transition. Its interference measurements connected the loss of long-distance coherence with vortex physics, showing how a carefully confined gas can test ideas about two-dimensional ordering.^[ref]

An experimental optical physicist who coauthored the 1987 Hong-Ou-Mandel effect experiment. The team varied the relative arrival time of a photon pair at a beam splitter and counted coincidences. A narrow interference feature revealed subpicosecond timing information, converting a time scale too short for direct electronic timing into a path-delay measurement.^[ref]