Reversed interplay of quantum interference and which-way information in multiphoton entangled states

Title
Reversed interplay of quantum interference and which-way information in multiphoton entangled states
Authors
임향택Young-Sik RaMalte C. TichyClemens GneitingKlaus MolmerAndreas BuchleitnerYoon-Ho Kim
Issue Date
2017-08
Publisher
Physical review. A
Citation
VOL 96, NO 2, 023845
Abstract
We report experimental studies of quantum interference of multiphoton states impinging on a two-port balanced beam splitter. When the distinguishability between the two input paths is increased, we observe a reduction followed by a resurgence of the interference visibility in multiphoton coincidence detection. We ascribe this unusual behavior to the competition among contributions from distinct number state components of the interfering fields. Our results suggest that wave-particle duality gives rise to a wide range of largely unexplored phenomena in multiparticle interference.
URI
http://pubs.kist.re.kr/handle/201004/72477
ISSN
2469-9926
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KIST Publication > Article
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