Research Topic

Plasmonic Nanoparticle-on-Mirror and other Nano- and Pico-Cavities

About this Research Topic

Plasmonic nano- and pico-cavities provide the most powerful and flexible template for tailoring light at the nanoscale and controlling light—matter interactions. All this is enabled by the tremendous confinement and enhancement of the electromagnetic field (e.g. light) owing to the strong interaction between individual nanoscopic metallic components. These unique characteristics have become the basis for an increasing number of applications in sensing, medicine, catalysis, light harvesting, imaging, optical sources and communications. Extensive effort has thus been devoted in designing, understanding, optimizing, modelling and experimentally probing such nanocavities, pushing both nanofabrication and measurements techniques and theoretical descriptions to new limits, making the field rather multidisciplinary.

Among the plethora of plasmonic nano and pico-cavities proposed in the last couple of decades, the nanoparticle-on-mirror construct has emerged recently as a particularly powerful and versatile architecture. Metallic nanoparticles can be easily dropcasted on a flat metallic film, separated by a thin dielectric spacer, to produce extremely well controllable and reproducible cavities, where the nanoparticle essentially interacts with its mirror image in the metallic film. With the advent of two-dimensional materials such as graphene and transition-metal dichalcogenides, the spacer thickness has dramatically decreased to subnanometric dimensions, down to the single-atom level, allowing unprecedented control of nanoscale interactions, thus opening new paths for manipulating light—matter interactions. Already documented applications are now largely benefiting from such elegant cavities, while novel ideas are constantly being proposed, aiming to bring nanophotonics one step closer to the atomic, quantum world.

The aim of this Research Topic is to cover recent trends and developments in plasmonic nano- and pico-cavities, focusing on the nanoparticle-on-mirror architecture. Topics may include, but are not limited to:
• Advances in nanofabrication and novel nano- and pico-cavity designs
• Theoretical understanding and modelling beyond classical electrodynamics
• Revisiting traditional plasmonic applications with nanoparticle-on-mirror cavities
• New prospects for extreme-nanoscale light—matter interactions
• Manipulating the properties of quantum emitters
• Nano- and sub-nanoscale chemistry
• New experimental techniques to probe plasmonic nanocavity enviroments
• Photonic quasinormal modes.

All article types are welcome in this Research Topic, and we particularly encourage Original Research, Reviews and Mini Reviews, Brief Research Reports and Perspectives.


Keywords: plasmonics, quantum, hydrodynamic Drude model, nonlocality, strong-coupling


Important Note: All contributions to this Research Topic must be within the scope of the section and journal to which they are submitted, as defined in their mission statements. Frontiers reserves the right to guide an out-of-scope manuscript to a more suitable section or journal at any stage of peer review.

Plasmonic nano- and pico-cavities provide the most powerful and flexible template for tailoring light at the nanoscale and controlling light—matter interactions. All this is enabled by the tremendous confinement and enhancement of the electromagnetic field (e.g. light) owing to the strong interaction between individual nanoscopic metallic components. These unique characteristics have become the basis for an increasing number of applications in sensing, medicine, catalysis, light harvesting, imaging, optical sources and communications. Extensive effort has thus been devoted in designing, understanding, optimizing, modelling and experimentally probing such nanocavities, pushing both nanofabrication and measurements techniques and theoretical descriptions to new limits, making the field rather multidisciplinary.

Among the plethora of plasmonic nano and pico-cavities proposed in the last couple of decades, the nanoparticle-on-mirror construct has emerged recently as a particularly powerful and versatile architecture. Metallic nanoparticles can be easily dropcasted on a flat metallic film, separated by a thin dielectric spacer, to produce extremely well controllable and reproducible cavities, where the nanoparticle essentially interacts with its mirror image in the metallic film. With the advent of two-dimensional materials such as graphene and transition-metal dichalcogenides, the spacer thickness has dramatically decreased to subnanometric dimensions, down to the single-atom level, allowing unprecedented control of nanoscale interactions, thus opening new paths for manipulating light—matter interactions. Already documented applications are now largely benefiting from such elegant cavities, while novel ideas are constantly being proposed, aiming to bring nanophotonics one step closer to the atomic, quantum world.

The aim of this Research Topic is to cover recent trends and developments in plasmonic nano- and pico-cavities, focusing on the nanoparticle-on-mirror architecture. Topics may include, but are not limited to:
• Advances in nanofabrication and novel nano- and pico-cavity designs
• Theoretical understanding and modelling beyond classical electrodynamics
• Revisiting traditional plasmonic applications with nanoparticle-on-mirror cavities
• New prospects for extreme-nanoscale light—matter interactions
• Manipulating the properties of quantum emitters
• Nano- and sub-nanoscale chemistry
• New experimental techniques to probe plasmonic nanocavity enviroments
• Photonic quasinormal modes.

All article types are welcome in this Research Topic, and we particularly encourage Original Research, Reviews and Mini Reviews, Brief Research Reports and Perspectives.


Keywords: plasmonics, quantum, hydrodynamic Drude model, nonlocality, strong-coupling


Important Note: All contributions to this Research Topic must be within the scope of the section and journal to which they are submitted, as defined in their mission statements. Frontiers reserves the right to guide an out-of-scope manuscript to a more suitable section or journal at any stage of peer review.

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Submission Deadlines

23 March 2021 Abstract
23 June 2021 Manuscript

Participating Journals

Manuscripts can be submitted to this Research Topic via the following journals:

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Topic Editors

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Submission Deadlines

23 March 2021 Abstract
23 June 2021 Manuscript

Participating Journals

Manuscripts can be submitted to this Research Topic via the following journals:

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