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Photonics
Special Issues
Photonic Crystals: Physics and Devices, 2nd Edition
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Photonic Crystals: Physics and Devices, 2nd Edition

A special issue of Photonics (ISSN 2304-6732). This special issue belongs to the section "Optoelectronics and Optical Materials".

Deadline for manuscript submissions: 10 October 2025 | Viewed by 6513

Special Issue Editors

Dr. Feng Wu

E-Mail Website
Guest Editor
School of Optoelectronic Engineering, Guangdong Polytechnic Normal University, Guangzhou 510665, China
Interests: nanophotonics; photonic crystals; bound states in the continuum; strong coupling; metamaterials; metasurfaces; multilayers; subwavelength gratings; Goos–Hänchen shift; photonic spin Hall effect; two-dimensional materials
Special Issues, Collections and Topics in MDPI journals
Dr. Shuyuan Xiao

E-Mail Website
Guest Editor
Institute for Advanced Study, Nanchang University, Nanchang 330031, China
Interests: plasmonics; metamaterials; metasurfaces; surface-enhanced Raman spectroscopy; two-dimensional materials; optical resonance; bound states in the continuum; optical nonlinearity; harmonic generation; holographic imaging
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Photonic crystals offer an elegant platform to manipulate light at the micro- and nano-scale since they possess photonic band gaps where light transmission is prohibited. Over the past three decades, a series of physical effects including spontaneous emission, negative refraction, bound states in the continuum, Goos–Hänchen shifts, photonic spin Hall effects, topology, chirality, and nonlinear optical process have been widely studied in photonic crystals. Empowered by these physical effects in photonic crystals, many high-performance devices including mirrors, absorbers, filters, lasers, waveguides, fibers, polarizers, photodetectors, antennas, light-emitting diodes, logic devices, and solar cells have been designed. As promising building blocks in nanophotonics, photonic crystals not only promote the fundamental study of physical effects, but also facilitate the development of high-performance devices. Similar to photonic crystals, other classes of periodic nanostructures, i.e., metamaterials, metasurfaces, and subwavelength gratings, also exhibit the unique ability to manipulate light.

This Special Issue aims to present original state-of-the-art articles on physics and devices in photonic crystals and other classes of periodic nanostructures, including theoretical, numerical, and experimental works. We welcome both original research and review articles.

Topics of interest include, but are not limited to, the following:

  • Photonic band gaps in photonic crystals (including one/two/three-dimensional photonic crystals and photonic crystal slabs);
  • Resonances in photonic crystals, metamaterials, metasurfaces, and subwavelength gratings;
  • Bound states in the continuum in photonic crystals, metamaterials, metasurfaces, and subwavelength gratings;
  • Topological properties in photonic crystals, metamaterials, metasurfaces, and subwavelength gratings;
  • Strong coupling in photonic crystals, metamaterials, and metasurfaces;
  • Goos–Hänchen shift and photonic spin Hall effect in photonic crystals;
  • Polaritons in photonic crystals;
  • Nonlinear and quantum effects in photonic crystals;
  • Photonic crystals containing two-dimensional materials, superconducting materials, phase-change materials, or metamaterials;
  • Novel optical phenomena in photonic crystals;
  • Devices based on photonic crystals;
  • Physics and devices in other classes of periodic nanostructures, such as metamaterials, metasurfaces, and subwavelength gratings.

Dr. Feng Wu
Dr. Shuyuan Xiao
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. Photonics is an international peer-reviewed open access monthly 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

  • nanophotonics
  • topological photonics
  • photonic crystals
  • photonic band gaps
  • metamaterials
  • metasurfaces
  • subwavelength gratings
  • resonances
  • bound states in the continuum
  • Goos–Hänchen shift
  • photonic spin Hall effect
  • polaritons
  • devices

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (4 papers)

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Research

12 pages, 4371 KiB  
Communication
Refractive Index of Aluminophosphosilicate Glass in Optical Fibers near AlPO4 Join
by Mikhail E. Likhachev, Tatiana S. Zaushitsyna, Vitaliya A. Agakhanova, Svetlana S. Aleshkina, Mikhail M. Bubnov, Alexey S. Lobanov, Denis I. Oleinik and Denis S. Lipatov
Photonics 2025, 12(1), 20; https://doi.org/10.3390/photonics12010020 - 29 Dec 2024
Viewed by 585
Abstract
The minimum refractive index of the aluminophosphosilicate (APS) core in optical fibers has been determined for a wide range of phosphorous and aluminum concentrations. It was found that the APS core refractive index became higher by ~0.0005–0.0012 as compared to that in optical [...] Read more.
The minimum refractive index of the aluminophosphosilicate (APS) core in optical fibers has been determined for a wide range of phosphorous and aluminum concentrations. It was found that the APS core refractive index became higher by ~0.0005–0.0012 as compared to that in optical fiber preform. The analysis of the measured data has shown that at least 0.2 mol.% of Al2O3 and P2O5 remain in their ordinary form near their equimolar concentrations and do not form an AlPO4 join (the effect observed for all concentrations of AlPO4 join from 5 to 25 mol.%). Full article
(This article belongs to the Special Issue Photonic Crystals: Physics and Devices, 2nd Edition)
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14 pages, 3767 KiB  
Article
Scaling of Average Power in All-Fiber Side-Pumped Sub-MW Peak Power ps-Pulses Yb-Doped Tapered Amplifier
by Egor K. Mikhailov, Andrey E. Levchenko, Vladimir V. Velmiskin, Tatiana S. Zaushitsyna, Mikhail M. Bubnov, Denis S. Lipatov, Andrey V. Shirmankin, Vladimir A. Kamynin and Mikhail E. Likhachev
Photonics 2024, 11(10), 915; https://doi.org/10.3390/photonics11100915 - 27 Sep 2024
Cited by 1 | Viewed by 925
Abstract
In this study, we explored the potential for average power scaling in a monolithic side-counter-pumped combiner based on Yb-doped tapered fibers. The optimal configuration of the pump-feeding fibers was determined through experiments with passive signal fibers. It is shown that pump coupling efficiencies [...] Read more.
In this study, we explored the potential for average power scaling in a monolithic side-counter-pumped combiner based on Yb-doped tapered fibers. The optimal configuration of the pump-feeding fibers was determined through experiments with passive signal fibers. It is shown that pump coupling efficiencies higher than 83% can be achieved for fibers coated with low-index polymer with a numerical aperture (NA) around 0.45 and more than 74% for fibers with second cladding made of F-doped silica (NA ~ 0.26) for pump power up to 100 W. It was shown that the main factor significantly reducing the pump-to-signal conversion efficiency in the developed monolithic Yb-doped tapered fiber amplifiers is the pump leakage due to the decrease of the first cladding diameter along the tapered fiber and the corresponding increase of the pump NA (which becomes higher than the NA of the first cladding). A solution to this problem based on a narrowing diameter at the output end of the tapered fiber was proposed and realized. The record-high average power of 41 W, with a coupling efficiency of 77.7%, was demonstrated in a monolithic amplifier with a threshold of nonlinear effects of more than 600 kW (for ps pulses). Prospects for further power scaling in all-fiber sub-MW peak power amplifiers are discussed. Full article
(This article belongs to the Special Issue Photonic Crystals: Physics and Devices, 2nd Edition)
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9 pages, 4539 KiB  
Communication
Fabrication of Circular Defects in 2-Dimensional Photonic Crystal Lasers with Convex Edge Structure
by Rubing Zuo, Yuki Adachi, Yuto Kudo, Hanqiao Ye, Tetsuya Yagi, Masato Morifuji, Hirotake Kajii, Akihiro Maruta and Masahiko Kondow
Photonics 2024, 11(9), 853; https://doi.org/10.3390/photonics11090853 - 10 Sep 2024
Viewed by 776
Abstract
We have developed circular defects in 2-dimensional photonic crystal lasers that allow current injection for interconnected optical communications. However, when cleaving the sample to measure the output light, the output light intensity changes due to the cleaving position. In a previous study, we [...] Read more.
We have developed circular defects in 2-dimensional photonic crystal lasers that allow current injection for interconnected optical communications. However, when cleaving the sample to measure the output light, the output light intensity changes due to the cleaving position. In a previous study, we proposed a new end face structure called a convex edge structure. In this paper, we design the electron beam lithography patterns to fabricate this structure. With this design, it is possible to eliminate the effect of different cleaving positions and ensure that the cleavage tolerance is larger than the cleavage position error. We also develop the fabrication technology for this structure, fabricate samples, and measure the output light experimentally. The optical properties of the fabricated sample are similar to well-fabricated samples with normal cleavage edge faces. We are assured that these results contribute to future work such as accurate manufacturing and improving the end face configuration to obtain higher outputs. Full article
(This article belongs to the Special Issue Photonic Crystals: Physics and Devices, 2nd Edition)
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11 pages, 2611 KiB  
Article
Symmetry-Engineered Dual Plasmon-Induced Transparency via Triple Bright Modes in Graphene Metasurfaces
by Yanrui Cao and Tian Sang
Photonics 2024, 11(7), 660; https://doi.org/10.3390/photonics11070660 - 15 Jul 2024
Cited by 1 | Viewed by 3646
Abstract
Dynamical manipulation of plasmon-induced transparency (PIT) in graphene metasurfaces is promising for optoelectronic devices such as optical switching and modulating; however, previous design approaches are limited within one or two bright/dark modes, and the realization of dual PIT windows through triple bright modes [...] Read more.
Dynamical manipulation of plasmon-induced transparency (PIT) in graphene metasurfaces is promising for optoelectronic devices such as optical switching and modulating; however, previous design approaches are limited within one or two bright/dark modes, and the realization of dual PIT windows through triple bright modes in graphene metasurfaces is seldom mentioned. Here, we demonstrate that dual PIT can be realized through a symmetry-engineered graphene metasurface, which consists of the graphene central cross (GCC) and graphene rectangular ring (GRR) arrays. The GCC supports a bright mode from electric dipole (ED), the GRR supports two nondegenerate bright modes from ED and electric quadrupole (EQ) due to the C2v symmetry breaking, and the resonant coupling of these three bright modes induces the dual PIT windows. A triple coupled-oscillator model (TCM) is proposed to evaluate the transmission performances of the dual PIT phenomenon, and the results are in good agreement with the finite-difference time-domain (FDTD) method. In addition, the dual PIT windows are robust to the variation of the structural parameters of the graphene metasurface except for the y-directioned length of the GRR. By changing the carrier mobility of graphene, the amplitudes of the two PIT windows can be effectively tuned. The alteration of the Fermi level of graphene enables the dynamic modulation of the dual PIT with good performances for both modulation degree (MD) and insertion loss (IL). Full article
(This article belongs to the Special Issue Photonic Crystals: Physics and Devices, 2nd Edition)
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