Collective effects and coupling phenomena in resonant optical metasurfaces: introduction

Babicheva, Viktoriia E.; Staude, Isabelle; Gérard, Davy

doi:10.1364/josab.36.00cec1

Cited by 18 publications

(3 citation statements)

References 21 publications

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“…To date, open cavity applications have mostly been in the visible and near-infrared spectral regions. 24 For these purposes, the SLPR arrays were fabricated with metallic plasmonic nanostructures (e.g., gold, silver, and aluminum), whose localized plasmon resonances appear in the longwavelength ultraviolet or in the visible regions. 25 Recently, strong coupling between photonic cavity modes and molecular vibrations has been the focus of increasing interest, 26−32 and the first attempts to achieve vibrational strong coupling with plasmonic modes of periodic substrates have been reported.…”

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confidence: 99%

“…Unlike the Fabry–Perot-style photonic cavities, which are transparent only to the light at their corresponding resonance frequencies, SLPR arrays allow for convenient spectroscopic access to molecules deposited on the surface. To date, open cavity applications have mostly been in the visible and near-infrared spectral regions . For these purposes, the SLPR arrays were fabricated with metallic plasmonic nanostructures (e.g., gold, silver, and aluminum), whose localized plasmon resonances appear in the long-wavelength ultraviolet or in the visible regions .…”

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confidence: 99%

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Infrared Open Cavities for Strong Vibrational Coupling

Cohn

Das

Basu

et al. 2021

J. Phys. Chem. Lett.

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Arrays of subwavelength plasmonic nanoparticles exhibiting narrowband lattice resonances are referred to as open cavities because of their ability to strongly couple with electronic excitations in molecular chromophores. However, realization of these ideas in the mid-infrared spectral region has been limited. We demonstrated a dramatic reduction in the bandwidth of lattice resonances in large-area arrays of half-wavelength mid-infrared antennas, reaching resonance quality factors above 200. By tuning the wavelength of the antenna-lattice resonances (ALR) to match the transition frequency of the molecular vibrational modes, we achieved a strong coupling between the ALR and the carbonyl stretching excitation in a thin film of (poly)methyl methacrylate (PMMA) polymer deposited on the array. Splitting of the polaritonic transitions, reduction of their bandwidth below that of the bare molecular transition, and characteristic dispersion confirmed the strong coupling regime. Our results pave the way for exciting research on the many-body correlated dynamics of vibrational polaritons.

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confidence: 99%

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Infrared Open Cavities for Strong Vibrational Coupling

Cohn

Das

Basu

et al. 2021

J. Phys. Chem. Lett.

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“…Due to the confinement of light on the nanoscale, metasurfaces offer exceptional light manipulation and unique spectral features, often coinciding with resonances of high quality factor [ 60 , 61 , 62 , 63 ]. The behavior of lattice resonances in periodic structures is strongly influenced by the angle and polarization of the incident light under oblique incidence, which results in notable alterations in the spectral response and distribution of the electromagnetic fields [ 64 ].…”

Section: Narrow Collective Resonancesmentioning

confidence: 99%

Optical Processes behind Plasmonic Applications

Babicheva

2023

Nanomaterials

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Plasmonics is a revolutionary concept in nanophotonics that combines the properties of both photonics and electronics by confining light energy to a nanometer-scale oscillating field of free electrons, known as a surface plasmon. Generation, processing, routing, and amplification of optical signals at the nanoscale hold promise for optical communications, biophotonics, sensing, chemistry, and medical applications. Surface plasmons manifest themselves as confined oscillations, allowing for optical nanoantennas, ultra-compact optical detectors, state-of-the-art sensors, data storage, and energy harvesting designs. Surface plasmons facilitate both resonant characteristics of nanostructures and guiding and controlling light at the nanoscale. Plasmonics and metamaterials enable the advancement of many photonic designs with unparalleled capabilities, including subwavelength waveguides, optical nanoresonators, super- and hyper-lenses, and light concentrators. Alternative plasmonic materials have been developed to be incorporated in the nanostructures for low losses and controlled optical characteristics along with semiconductor-process compatibility. This review describes optical processes behind a range of plasmonic applications. It pays special attention to the topics of field enhancement and collective effects in nanostructures. The advances in these research topics are expected to transform the domain of nanoscale photonics, optical metamaterials, and their various applications.

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Numerical simulation research of wide-angle beam steering based on catenary shaped ultrathin metalens

Zhang

Liang

et al. 2020

Optics Communications

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Collective effects and coupling phenomena in resonant optical metasurfaces: introduction

Cited by 18 publications

References 21 publications

Infrared Open Cavities for Strong Vibrational Coupling

Infrared Open Cavities for Strong Vibrational Coupling

Optical Processes behind Plasmonic Applications

Numerical simulation research of wide-angle beam steering based on catenary shaped ultrathin metalens

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