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Tamm plasmon modes on semi-infinite metallodielectric superlattices

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2017
s41598-017-03497-z.pdf (2.268Mb)
Authors
Isić, Goran
Vuković, Slobodan
Jakšić, Zoran
Belić, Milivoj
Article (Published version)
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Abstract
We analyze the fundamental properties of optical waves referred to as Tamm plasmon modes (TPMs) which are tied to the interface of a semi-infinite two-phase metallodielectric superlattice with an arbitrary homogeneous capping medium. Such modes offer new ways of achieving high electromagnetic field localization and spontaneous emission enhancement in the vicinity of the interface in conjunction with absorption loss management, which is crucial for future applications. The homointerface, formed when the capping medium has the same permittivity as one of the superlattice constituents, is found to support a TPM whose dispersion overlaps the single-interface surface plasmon polariton (SPP) dispersion but which has a cut off at the topological transition point. In contrast, a heterointerface formed for an arbitrary capping medium, is found to support multiple TPMs whose origin can be traced by considering the interaction between a single-interface SPP and the homointerface TPM burried under... the top layer of the superlattice. By carrying out a systematic comparison between TPMs and single-interface SPPs, we find that the deviations are most pronounced in the vicinity of the transition frequency for superlattices in which dielectric layers are thicker than metallic ones.

Source:
Scientific Reports, 2017, 7, 1
Publisher:
  • Springer Science and Business Media LLC
Projects:
  • Physics of Ordered Nanostructures and New Materials in Photonics (RS-171005)
  • Fabrication and characterization of nano-photonic functional structrues in biomedicine and informatics (RS-45016)
  • Micro- Nanosystems and Sensors for Electric Power and Process Industry and Environmental Protection (RS-32008)
  • Qatar National Research Fund (NPRP 8-028-1-001)
  • COST Action MP1302 Nanospectroscopy
Note:
  • Publisher correction: A correction to this article has been published and is linked from the HTML and PDF versions of this paper. The error has been fixed in the paper.

DOI: 10.1038/s41598-017-03497-z

ISSN: 2045-2322

PubMed: 28623281

WoS: 000403413700108

Scopus: 2-s2.0-85020860751
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URI
http://cer.ihtm.bg.ac.rs/handle/123456789/3137
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