Special Issue "New Materials for Nanophotonics"

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Applied Physics".

Deadline for manuscript submissions: 31 December 2020.

Special Issue Editor

Prof. Dr. Sangin Kim
Website
Guest Editor
Department of Electrical and Computer Engineering, Ajou University, Suwon 16499, Korea
Interests: nanophotonics

Special Issue Information

Dear Colleagues,

The MDPI journal of Applied Sciences invites manuscript submissions in the topic of “New Materials for Nanophotonics”. Nanophotonics has played an important role in material research as well as in photonic devices. In nanophotonics, artificial structures are used to modulate the flow of light, enhance the light–matter interaction, or induce exotic electromagnetic properties. At the same time, new materials can add novel functionalities to nanophotonics, just like graphene enables tunability in plasmonics and metamaterials. This Special Issue focuses on the recent progress of materials and devices based on nanophotonics.

Topics of interest include (but not limited to) the following:

- Tunability of nanophotonic devices

- Low-dimensional materials for photonic devices

- Nonlinear materials for THz and mid-IR ranges

- Flexible photonic devices

- Materials for photonic sensors

- Materials for photon-based quantum computing

Prof. Dr. Sangin Kim
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 papers will be 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.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Applied Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1800 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Published Papers (1 paper)

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Research

Open AccessArticle
High-Efficiency All-Dielectric Metasurfaces for the Generation and Detection of Focused Optical Vortex for the Ultraviolet Domain
Appl. Sci. 2020, 10(16), 5716; https://doi.org/10.3390/app10165716 - 18 Aug 2020
Abstract
The optical vortex (OV) has drawn considerable attention owing to its tremendous advanced applications, such as optical communication, quantum entanglement, and on-chip detectors. However, traditional OV generators suffer from a bulky configuration and limited performance, especially in the ultraviolet range. In this paper, [...] Read more.
The optical vortex (OV) has drawn considerable attention owing to its tremendous advanced applications, such as optical communication, quantum entanglement, and on-chip detectors. However, traditional OV generators suffer from a bulky configuration and limited performance, especially in the ultraviolet range. In this paper, we utilize a large bandgap dielectric material, niobium pentoxide (Nb2O5), to construct ultra-thin and compact transmission-type metasurfaces to generate and detect the OV at a wavelength of 355 nm. The meta-atom, which operates as a miniature half-wave plate and demonstrates a large tolerance to fabrication error, manipulates the phase of an incident right-handed circular polarized wave with high cross-polarized conversion efficiency (around 86.9%). The phase delay of π between the orthogonal electric field component is attributed to the anti-parallel magnetic dipoles induced in the nanobar. Besides, focused vortex generation (topological charge l from 1 to 3) and multichannel detection (l from −2 to 2) are demonstrated with high efficiency, up to 79.2%. We envision that our devices of high flexibility may have potential applications in high-performance micron-scale integrated ultraviolet nanophotonics and meta-optics. Full article
(This article belongs to the Special Issue New Materials for Nanophotonics)
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