Research on Vibrational Dynamics in Nanoscale Plasmonic Cavities
A special issue of Nanomaterials (ISSN 2079-4991).
Deadline for manuscript submissions: closed (31 July 2019) | Viewed by 209
Special Issue Editor
Special Issue Information
Dear Colleagues,
Surface and tip-enhanced Raman scattering are powerful, label-free analytical tools that can reveal the vibrational fingerprints of trace amounts of analytes—down to single-molecule sensitivity. Since the discovery of huge Raman signal enhancements from molecules deposited on a rough metal film, our understanding of the underlying physical mechanism and our control over the plasmonic hot spots have made dramatic progress.
One of the most impressive recent advances is the engineering of “plasmonic nanocavities” that predictably and reliably confine the electromagnetic energy into deep sub-wavelength mode volumes, and that feature well-defined resonances. In a sense, they are the plasmonic, nanoscale counterparts of conventional dielectric cavities used to trap light and enhance the light-matter interaction.
Nanocavities offer a new playground to study plasmon-enhanced Raman scattering. This Special Issue endeavors to provide a snapshot of the state of the art in experimental and theoretical “Research on Vibrational Dynamics in Nanoscale Plasmonic Cavities”, covering, in particular, the following topics:
- Design, fabrication and characterization of nanoscale plasmonic cavities
- New insights into vibrational dynamics under strong field confinement
- Out-of-equilibrium phonon occupancy and anomalous anti-Stokes/Stokes ratio
- Dependence of Raman signal and phonon occupancy on laser-cavity detuning
- Nonlinear effects in Raman-active plasmonic nanocavities and laser power dependence
- Theoretical models of vibration–plasmon–laser interaction
- Probing the quantum limit to the enhancement factor
- Raman signal fluctuations, molecule motion and pico-cavity formation
- Emerging topics, such as hybrid dielectric-plasmonic cavities, Raman scattering in the regime of strong exciton-plasmon coupling, etc.
Prof. Dr. Christophe Galland
Guest Editor
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Keywords
- Raman scattering
- Plasmonics
- Vibrational dynamics
- Molecular sensing
- Cavity optomechanics
- Raman spectroscopy
- Nano-optics
- Near-field optics
- Plasmonic antenna
- Field enhancement
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