Recent Research on Nanophotonics and Nanoscale Quantum Optics

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Nanophotonics Materials and Devices".

Deadline for manuscript submissions: closed (30 April 2024) | Viewed by 743

Special Issue Editor


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Guest Editor
Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
Interests: low-dimensional quantum materials; symmetry breaking

Special Issue Information

Dear Colleagues,

Nanomaterials, such as 0D quantum dots, 1D nanotubes and 2D van der Waals materials, have ushered in a new era of fundamental research and technological innovation, owing to the unique electronic, photonic, and optoelectronic properties that are unattainable in their bulk counterparts. For example, owing to the quantum confinement effect, nanomaterials typically show strong light–matter interaction and provide a powerful platform to realize novel and designable photonics and quantum optic phenomena. In addition, the ease with which nanomaterials can be transferred onto photonic circuits to create hybrid devices provides new opportunities for scalable quantum photonic devices. Nanophotonics and nanoscale quantum optics are also highly tunable through external degrees of freedom (such as ultrafast optical excitations, electric/magnetic field, strain, twist angle, doping, and Floquet engineering). This not only offers extraordinary opportunities to underpin new physics and initiate new research fields but also provides unprecedented possibilities to stimulate technological advances.

The goal of this Special Issue, entitled "Recent Research on Nanophotonics and Nanoscale Quantum Optics", is to showcase the latest advances in photonics and quantum optics in low-dimensional materials and their heterostructures. Potential topics include, but are not limited to, the following: excitons, phonons, polaritons, magnons, collective excitations, photoresponses, single-photon emission/detection, and symmetry-breaking photonics/optoelectronics. We kindly invite all researchers working in these areas to contribute to this Special Issue.

Prof. Dr. Luojun Du
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

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Keywords

  • nanophotonics
  • quantum optics
  • low-dimensional materials
  • van der Waals heterostructures
  • photonics
  • optoelectronics

Published Papers (1 paper)

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Research

10 pages, 1577 KiB  
Article
Raman Scattering Enhancement through Pseudo-Cavity Modes
by Vincenzo Caligiuri, Antonello Nucera, Aniket Patra, Marco Castriota and Antonio De Luca
Nanomaterials 2024, 14(10), 875; https://doi.org/10.3390/nano14100875 - 17 May 2024
Viewed by 444
Abstract
Raman spectroscopy plays a pivotal role in spectroscopic investigations. The small Raman scattering cross-section of numerous analytes, however, requires enhancement of the signal through specific structuring of the electromagnetic and morphological properties of the underlying surface. This enhancement technique is known as surface-enhanced [...] Read more.
Raman spectroscopy plays a pivotal role in spectroscopic investigations. The small Raman scattering cross-section of numerous analytes, however, requires enhancement of the signal through specific structuring of the electromagnetic and morphological properties of the underlying surface. This enhancement technique is known as surface-enhanced Raman spectroscopy (SERS). Despite the existence of various proposed alternatives, the approach involving Fabry–Pérot cavities, which constitutes a straightforward method to enhance the electromagnetic field around the analyte, has not been extensively utilized. This is because, for the analyte to experience the maximum electric field, it needs to be embedded within the cavity. Consequently, the top mirror of the cavity will eventually shield it from the external laser source. Recently, an open-cavity configuration has been demonstrated to exhibit properties similar to the classic Fabry–Pérot configuration, with the added advantage of maintaining direct accessibility for the laser source. This paper showcases how such a simple yet innovative configuration can be effectively utilized to achieve remarkable Raman enhancement. The simple structure, coupled with its inexpensive nature and versatility in material selection and scalability, makes it an ideal choice for various analytes and integration into diverse Raman apparatus setups. Full article
(This article belongs to the Special Issue Recent Research on Nanophotonics and Nanoscale Quantum Optics)
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