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Measurement of the Photon-Plasmon Coupling Phase Shift

Safari, Akbar ; Fickler, Robert ; Giese, Enno ; Magaña-Loaiza, Omar S. ; Boyd, Robert W. ; De Leon, Israel (2024)
Measurement of the Photon-Plasmon Coupling Phase Shift.
In: Physical Review Letters, 2019, 122 (13)
doi: 10.26083/tuprints-00027071
Article, Secondary publication, Publisher's Version

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Item Type: Article
Type of entry: Secondary publication
Title: Measurement of the Photon-Plasmon Coupling Phase Shift
Language: English
Date: 13 August 2024
Place of Publication: Darmstadt
Year of primary publication: 2019
Place of primary publication: College Park, Md
Publisher: American Physical Society
Journal or Publication Title: Physical Review Letters
Volume of the journal: 122
Issue Number: 13
Collation: 6 Seiten
DOI: 10.26083/tuprints-00027071
Corresponding Links:
Origin: Secondary publication service
Abstract:

Scattering processes have played a crucial role in the development of quantum theory. In the field of optics, scattering phase shifts have been utilized to unveil interesting forms of light-matter interactions. Here we investigate the phase shift experienced by a single photon as it scatters into a surface plasmon polariton and vice versa. This coupling phase shift is of particular relevance for quantum plasmonic experiments. Therefore, we demonstrate that the photon-plasmon interaction at a plasmonic slit can be modeled through a quantum-mechanical tritter, a six-port scattering element. We show that the visibilities of a double-slit and a triple-slit interference patterns are convenient observables to characterize the interaction at a slit and determine the coupling phase. Our accurate and simple model of the interaction, validated by simulations and experiments, has important implications not only for quantum plasmonic interference effects, but is also advantageous to classical applications.

Status: Publisher's Version
URN: urn:nbn:de:tuda-tuprints-270716
Classification DDC: 500 Science and mathematics > 530 Physics
Date Deposited: 13 Aug 2024 13:25
Last Modified: 24 Sep 2024 09:44
URI: https://tuprints.ulb.tu-darmstadt.de/id/eprint/27071
PPN: 521649293
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