Cited by 224Plasmonic and Surface Plasmon ResearchGold and Silver Nanoparticles Synthesis and ApplicationsMetamaterials and Metasurfaces Applications

Engineered Absorption Enhancement and Induced Transparency in Coupled Molecular and Plasmonic Resonator Systems

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Adato, Ronen, Artar, Alp, Erramilli, Shyamsunder, Altug, Hatice·2013·Nano Letters

Abstract

Coupled plasmonic resonators have become the subject of significant research interest in recent years as they provide a route to dramatically enhanced light-matter interactions. Often, the design of these coupled mode systems draws intuition and inspiration from analogies to atomic and molecular physics systems. In particular, they have been shown to mimic quantum interference effects, such as electromagnetically induced transparency (EIT) and Fano resonances. This analogy also been used to describe the surface-enhanced absorption effect where a plasmonic resonance is coupled to a weak molecular resonance. These important phenomena are typically described using simple driven harmonic (or linear) oscillators (i.e., mass-on-a-spring) coupled to each other. In this work, we demonstrate the importance of an essential interdependence between the rate at which the system can be driven by an external field and its damping rate through radiative loss. This link is required in systems exhibiting time-reversal symmetry and energy conservation. Not only does it ensure an accurate and physically consistent description of resonant systems but leads directly to interesting new effects. Significantly, we demonstrate this dependence to predict a transition between EIT and electromagnetically induced absorption that is solely a function of the ratio of the radiative to intrinsic loss rates in coupled resonator systems. Leveraging the temporal coupled mode theory, we introduce a unique and intuitive picture that accurately describes these effects in coupled plasmonic/molecular and fully plasmonic systems. We demonstrate our approach's key features and advantages analytically as well as experimentally through surface-enhanced absorption spectroscopy and plasmonic metamaterial applications.

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Crossref · 10.1021/nl400689q

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  • The amplification effect caused by strong plasmon-molecule coupling between plasmonic resonance and molecular vibration is well-explained by temporal coupled-mode theory (TCMT).

    “This amplification effect caused by the strong plasmon-molecule coupling between plasmonic resonance and molecular vibration was well-explained by temporal coupled-mode theory (TCMT)14,15.”

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Authors
Adato, R., Artar, A., Erramilli, S., & Altug, H.
Affiliations
Boston University (US)
Corresponding author
Altug, Hatice
Venue
Nano Letters
Published
2013-05-06
Volume
13
Issue
6
Pages
2584-2591
ISSN
  • 1530-6984 (ISSN-L)
  • 1530-6992
OpenAlex
W2323669917
Cited by
224
References
46
Citations by year
2026: 20 · 2025: 21 · 2024: 20 · 2023: 27 · 2022: 13 · 2021: 13 · 2020: 14 · 2019: 20 · 2018: 24 · 2017: 11 · 2016: 12 · 2015: 18 · 2014: 9 · 2013: 2
FWCI
7.54
Type
journal article
Language
en
Open access
Locations
  • Nano Letters (publishedVersion)
  • PubMed (publishedVersion)
  • Infoscience (Ecole Polytechnique Fédérale de Lausanne) (submittedVersion)
  • Infoscience (Ecole Polytechnique Fédérale de Lausanne) (submittedVersion, cc-by-nc-nd)
Funders
Engineering Research Centers
Topics
  • Physical Sciences › Engineering › Biomedical Engineering › Plasmonic and Surface Plasmon Research
  • Physical Sciences › Materials Science › Electronic, Optical and Magnetic Materials › Gold and Silver Nanoparticles Synthesis and Applications
  • Physical Sciences › Materials Science › Electronic, Optical and Magnetic Materials › Metamaterials and Metasurfaces Applications
Keywords
electromagnetically induced transparency, electromagnetically induced absorption, plasmonic metamaterials, temporal coupled-mode theory, radiation damping, time-reversal symmetry, light-matter interaction, plasmon-molecule coupling, Fano resonance

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