Abstract:
:The double-slit experiment strikingly demonstrates the wave-particle duality of quantum objects. In this famous experiment, particles pass one-by-one through a pair of slits and are detected on a distant screen. A distinct wave-like pattern emerges after many discrete particle impacts as if each particle is passing through both slits and interfering with itself. Here we present a temporally- and spatially-resolved measurement of the double-slit interference pattern using single photons. We send single photons through a birefringent double-slit apparatus and use a linear array of single-photon detectors to observe the developing interference pattern. The analysis of the buildup allows us to compare quantum mechanics and the corpuscular model, which aims to explain the mystery of single-particle interference. Finally, we send one photon from an entangled pair through our double-slit setup and show the dependence of the resulting interference pattern on the twin photon's measured state. Our results provide new insight into the dynamics of the buildup process in the double-slit experiment, and can be used as a valuable resource in quantum information applications.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Kolenderski P,Scarcella C,Johnsen KD,Hamel DR,Holloway C,Shalm LK,Tisa S,Tosi A,Resch KJ,Jennewein Tdoi
10.1038/srep04685subject
Has Abstractpub_date
2014-04-28 00:00:00pages
4685issn
2045-2322pii
srep04685journal_volume
4pub_type
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