Nano-Optics and Light-Matter Interactions
A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Nanophotonics Materials and Devices".
Deadline for manuscript submissions: 20 May 2024 | Viewed by 2007
Special Issue Editor
Special Issue Information
Dear Colleagues,
Nano-optics and specifically interactions between light and matter at the nanoscale are a subject of rapidly increasing scientific importance and technical relevance. Nanoscale light–matter interactions possess notable advantages in spectroscopy, quantum computing, communication, data storage, and lasers. In the last few decades, light–matter interactions have been actively investigated in quasiparticles called polaritons. Polaritons arise from the interactions between electromagnetic fields and dipolar oscillations in the matter, including electrons, phonons, and excitons. Polaritons, with their half-light–half-matter nature, can have vastly different polarization and dispersion and are confined to the scale of nanometers. Such photonic quasiparticles make it possible to reveal various kinds of light–matter interactions and to produce optical functionalities to manipulate the properties and energy of light at the nanoscale. The related research has given a significant boost to the development of nano-optics and nanophononics.
This Special Issue will present comprehensive research outlining progress in the coupling of photons to material resonances (plasmons, phonons, and excitons) and welcome contributions focusing on optics and photonics, optical materials, optical spectroscopy, quantum physics, condensed matter physics, and optical chemistry. We sincerely invite relevant researchers to contribute to the growing field of light–matter interactions at the nanoscale.
Dr. Siyuan Dai
Guest Editor
Manuscript Submission Information
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Keywords
- nanophotonics and nanoplasmonics
- light–matter interactions
- phonon polaritons
- van der waals materials
- quantum physics
- condensed matter physics
- optical materials and optical spectroscopy
Planned Papers
The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.
Title: Attosecond photoscopy at hybrid nanogap resonators: A simulation framework
Authors: Jakob Elsner; Klaus Lutter; Thorsten Uphues
Affiliation: 1. Coburg University of Applied Sciences and Arts, Friedrich-Streib-Straße 2, 96450 Coburg, Germany
2. Institute for Sensor and Actuator Technology ISAT, Am Hofbräuhaus 1b, 96450 Coburg, Germany
Abstract: Attosecond streaking spectroscopy is a powerful technique to investigate and characterize the dynamics of electrons in matter on the attosecond (10^−18 s) time scale. The technique involves the generation of attosecond pulses in the extreme ultraviolet regime (XUV), produced by high harmonic generation (HHG) during a highly nonlinear excitation process driven by a infrared (IR) laser pulse. The extension of the basic technique towards the plasmonic interaction with matter following photoexcited subcycle dynamics is of major interest for many application and has been proposed as attosecond photoscopy.
In this concept the XUV emitted photoelectrons electrons interact with the electromagnetic field in a first step, causing them to accelerate or decelerate depending on their initial energy and momentum. By analyzing the energy and momentum changes of the streaked electrons, insights into the ultrafast dynamics of electrons in various processes can be gained, such as photoemission, electron-electron scattering and electron-phonon interactions. The streaking traces reveal coexisting processes driven by the IR laser field and the plasmonic field at the surface at serve for the generation of subcycle electron bunches due to this interaction. Attosecond photoscopy enables the observation and measurement of these electronic processes occurring on extremely short time scales, providing valuable information for understanding fundamental physical phenomena.