Experimental demonstration of an efficient, semi-device-independent photonic indistinguishability witness

Efficient and reliable measurements of photonic indistinguishability are crucial to solidify claims of a quantum advantage in photonics. Existing indistinguishability witnesses may be vulnerable to implementation loopholes, showing the need for a measurement which depends on as few assumptions as po...

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Detalles Bibliográficos
Autores principales: van der Meer, Reinier, Hooijschuur, Peter, Somhorst, Franciscus H.B., Venderbosch, Pim, de Goede, Michiel, Kassenberg, Ben, Snijders, Henk, Taballione, Caterina, Epping, Jorn, Vlekkert, Hans van den, Walk, Nathan, Pinkse, Pepijn W.H., Renema, Jelmer J.
Lenguaje:eng
Publicado: 2021
Materias:
quant-ph
General Theoretical Physics
Acceso en línea:http://cds.cern.ch/record/2792053
Descripción
Sumario:Efficient and reliable measurements of photonic indistinguishability are crucial to solidify claims of a quantum advantage in photonics. Existing indistinguishability witnesses may be vulnerable to implementation loopholes, showing the need for a measurement which depends on as few assumptions as possible. Here, we introduce a semi-device-independent witness of photonic indistinguishability and measure it on an integrated photonic processor, certifying three-photon indistinguishability in a way that is insensitive to implementation errors in our processor.

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