Quantifying n-photon Indistinguishability with an Integrated Multi-Port Interferometer
Sarah E. Thomas, Mathias Pont, Riccardo Albiero, Nicolò Spagnolo, Francesco Ceccarelli, Giacomo Corrielli, Alexandre Brieussel, Niccolò Somaschi, Nadia Belabas, Hêlio Huet, Abdelmounaïm Harouri, Aristide Lemaître, Isabelle Sagnes, Fabio Sciarrino, Roberto Osellame, P. Senellart, Andrea Crespi · Quantum Information and Measurement VI 2021 · 2021
We introduce a novel method to directly characterize the indistinguishability of a state of multiple photons using a multiport interferometer. We demonstrate this method using four photons from a quantum dot single-photon source.