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Applied Sciences
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Nanophotonics and Integrated Photonics
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Nanophotonics and Integrated Photonics

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

Deadline for manuscript submissions: 20 May 2025 | Viewed by 4688

Special Issue Editors

Dr. Fanfan Lu

E-Mail Website
Guest Editor
School of Artificial Intelligence, OPtics and ElectroNics (iOPEN), Northwestern Polytechnical University, Xi’an 710072, China
Interests: nanophtonics; plasmonics; surface/tip-enhanced Raman spectroscopy; metasurface
Dr. Zhiqiang Yang

E-Mail Website
Guest Editor
School of Microelectronics Science and Technology, Sun Yat-Sen University, Zhuhai 519082, China
Interests: lithium niobate; integrated photonics; micro- and nano-optoelectronic devices; manufacturing processes; acousto-optic modulation; deflection; frequency shifting

Special Issue Information

Dear Colleagues,

Nanophotonics and integrated photonics are two rapidly evolving fields that hold immense promise for revolutionizing various industries, including telecommunications, data processing, sensing, and energy harvesting. Nanophotonics deals with the manipulation and control of light at the nanoscale, whereas integrated photonics focuses on the development of compact and scalable photonic devices and systems.

This Special Issue will address all topics related to the theory, design, simulation, technology, and characterization of novel nanophotonics and integrated photonics devices. Potential topics related to photonic devices include but are not limited to design and computational and theoretical simulations at the nanoscale, fabrication techniques, and the experimental characterization of the photonic nanostructures.

Dr. Fanfan Lu
Dr. Zhiqiang Yang
Guest Editors

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.

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 2400 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.

Keywords

  • plasmonics
  • metamaterial
  • nanofabrication
  • nanoscopy
  • nano-optoelectronics
  • nanophotonics devices
  • integrated photonics devices
  • photonic nanostructures

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Published Papers (3 papers)

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Editorial

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3 pages, 172 KiB  
Editorial
Nanophotonics and Integrated Photonics
by Fanfan Lu and Zhiqiang Yang
Appl. Sci. 2023, 13(23), 12605; https://doi.org/10.3390/app132312605 - 23 Nov 2023
Cited by 1 | Viewed by 1478
Abstract
Nanophotonics, a field combining photonics and nanotechnology, focuses on the mechanism and application of light–matter interactions at the nanoscale [...] Full article
(This article belongs to the Special Issue Nanophotonics and Integrated Photonics)

Research

Jump to: Editorial

14 pages, 2817 KiB  
Article
Numerical and Experimental Demonstration of a Silicon Nitride-Based Ring Resonator Structure for Refractive Index Sensing
by Muhammad A. Butt, Łukasz Kozłowski, Michał Golas, Mateusz Slowikowski, Maciej Filipiak, Marcin Juchniewicz, Aleksandra Bieniek-Kaczorek, Michał Dudek and Ryszard Piramidowicz
Appl. Sci. 2024, 14(14), 6082; https://doi.org/10.3390/app14146082 - 12 Jul 2024
Cited by 3 | Viewed by 1262
Abstract
In optical communication and sensing, silicon nitride (SiN) photonics plays a crucial role. By adeptly guiding and manipulating light on a silicon-based platform, it facilitates the creation of compact and highly efficient photonic devices. This, in turn, propels advancements in high-speed communication systems [...] Read more.
In optical communication and sensing, silicon nitride (SiN) photonics plays a crucial role. By adeptly guiding and manipulating light on a silicon-based platform, it facilitates the creation of compact and highly efficient photonic devices. This, in turn, propels advancements in high-speed communication systems and enhances the sensitivity of optical sensors. This study presents a comprehensive exploration wherein we both numerically and experimentally display the efficacy of a SiN-based ring resonator designed for refractive index sensing applications. The device’s sensitivity, numerically estimated at approximately 110 nm/RIU, closely aligns with the experimental value of around 112.5 nm/RIU. The RR sensor’s Q factor and limit of detection (LOD) are 1.7154 × 104 and 7.99 × 10−4 RIU, respectively. These congruent results underscore the reliability of the two-dimensional finite element method (2D-FEM) as a valuable tool for accurately predicting and assessing the device’s performance before fabrication. Full article
(This article belongs to the Special Issue Nanophotonics and Integrated Photonics)
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13 pages, 7231 KiB  
Article
On-Chip Reconstructive Spectrometer Based on Parallel Cascaded Micro-Ring Resonators
by Zan Zhang, Beiju Huang, Zanyun Zhang and Hongda Chen
Appl. Sci. 2024, 14(11), 4886; https://doi.org/10.3390/app14114886 - 4 Jun 2024
Cited by 1 | Viewed by 1242
Abstract
In contrast to cumbersome benchtop spectrometers, integrated on-chip spectrometers are well-suited for portable applications in health monitoring and environmental sensing. In this paper, we have developed an on-chip spectrometer with a programmable silicon photonic filter by simply using parallel cascaded micro-ring resonators (MRs). [...] Read more.
In contrast to cumbersome benchtop spectrometers, integrated on-chip spectrometers are well-suited for portable applications in health monitoring and environmental sensing. In this paper, we have developed an on-chip spectrometer with a programmable silicon photonic filter by simply using parallel cascaded micro-ring resonators (MRs). By altering the transmission spectrum of the filter, multiple and diverse sampling of the input spectrum is achieved. Then, combined with an artificial neural network (ANN) model, the incident spectrum is reconstructed from the sampled signals. Each MR is coupled to adjacent ones, and the phase shifts within each MR can be independently tuned. Through dynamic programming of the phases of these MRs, sampling functions featuring diverse characteristics are obtained based on a single programmable filter with an adjustable number of sampling channels. This eliminates the need for a filter array, significantly reducing the area of the on-chip reconstructive spectrometer. The simulation results demonstrate that the proposed design can achieve the reconstruction of continuous and sparse spectra within the wavelength range of 1450 nm to 1650 nm, with a tunable resolution ranging from 2 nm to 0.2 nm, depending on the number of sampling states employed. This benefit arises from the programmable nature of the device. The device holds tremendous potential for applications in wearable optical sensing, portable spectrometry, and other related scenarios. Full article
(This article belongs to the Special Issue Nanophotonics and Integrated Photonics)
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