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Lett."],"published-print":{"date-parts":[[2026,7,1]]},"abstract":"<jats:p>Integrated photonics has recently facilitated the manipulation of multimode partially coherent light in a compact mesh of Mach\u2013Zehnder interferometers. A critical task in this context is on-chip reconstruction of the coherence matrix through a sequence of measurement configurations, thus giving rise to a speed bottleneck stemming from temporal delays in tuning on-chip phase shifts. Here, we demonstrate single-shot reconstruction of the coherence matrix for two-mode partially coherent light by parallelizing the on-chip measurements of the modal Stokes parameters, thereby exchanging space for time. 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All rights, including for text and data mining (TDM), Artificial Intelligence (AI) training, and similar technologies, are reserved.","name":"copyright","label":"Copyright"}]}}