An efficient photonic indistinguishability witness: Experimental demonstration on a photonic processor
Reinier van der Meer, Peter Hooijschuur, F. H. B. Somhorst, Pim Venderbosch, Michiel de Goede, Ben Kassenberg, Henk Snijders, Caterina Taballione, Jörn P. Epping, Hans H. van den Vlekkert, Nathan Walk, Pepijn W. H. Pinkse, Jelmer J. Renema · Quantum 2.0 Conference and Exhibition · 2022
Efficient and reliable measurement of photonic indistinguishability is crucial for any claim of a quantum advantage in photonics. Using an integrated photonic processor, we introduce and demonstrate a semi-device-independent witness of photonic indistinguishability.