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Advances in Nanophotonic Materials, Devices, and Applications

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Optical and Photonic Materials".

Deadline for manuscript submissions: 20 June 2025 | Viewed by 3486

Special Issue Editors

Guangdong Provincial Key Laboratory of Optoelectronic Information Processing Chips and Systems, School of Microelectronics Science and Technology, Sun Yat-sen University, Zhuhai 519082, China
Interests: nanofabrication; flat optics; silicon photonics; plasmonics; sensors and measurements
Special Issues, Collections and Topics in MDPI journals
Guangdong Provincial Key Laboratory of Optoelectronic Information Processing Chips and Systems, School of Microelectronics Science and Technology, Sun Yat-sen University, Zhuhai 519082, China
Interests: optoelectronics; nanofabrication; flexible devices; neuromorphic chips
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Over the past few decades, the field of micro/nanophotonics has seen tremendous growth, driven by the continuous advancements in the design and fabrication of photonic devices at micro- and nano-scales. These devices have found applications in a wide range of areas, including telecommunications, medical imaging, sensing, quantum computing, and environmental monitoring. For instance, photodetectors incorporated with metal nanorods employ the surface plasmonic effect to delocalize the electric field, which facilitates carrier dissociation and thus leads to improved responsivity. A metasurface that depicts a layer of subwavelength-scale nanostructures shows the strong capability of tuning light–matter interaction and thus performs versatile functions in photonics and optics.

In light of these developments, we invite you to contribute your original research articles, review papers, and short communications that showcase the latest breakthroughs and applications of nanophotonics devices, materials, and applications. We are particularly interested in papers that address the following device’s themes: experimental and modeling advances in micro/nano-structured optoelectronics and photonics devices, including LEDs, solar cells, photodetectors, metasurfaces, silicon photonics devices, lasers, and flat optics devices. Areas of interest include, but are not limited to, nanomaterials, micro/nanostructures, nanofabrication, micro/nanodevices and applications, and simulation works.

We look forward to receiving your submissions.

Dr. Zhengji Xu
Dr. Lu Zhu
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. Materials 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 2600 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

  • metasurface
  • nanophotonics
  • nanomaterials
  • micro/nanostructures
  • nanofabrication
  • optoelectronics
  • silicon photonics

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Published Papers (3 papers)

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Research

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12 pages, 4146 KiB  
Article
Stripe Noise Removal in Blazed Grating Generation for Electrically Tunable Beam Deflector
by Woosup Kim, Taeyoung Kim, Jun Do, Heechang Ma, Heesun Yoon and Kanghee Won
Materials 2025, 18(2), 291; https://doi.org/10.3390/ma18020291 - 10 Jan 2025
Viewed by 616
Abstract
In this paper, we demonstrate a blazed phase grating to achieve tunable beam steering and propose a novel algorithm to reduce the stripe noise in wrapped phase. To control the diffraction angle to steer light to the desired direction, an electrically tunable transmission-type [...] Read more.
In this paper, we demonstrate a blazed phase grating to achieve tunable beam steering and propose a novel algorithm to reduce the stripe noise in wrapped phase. To control the diffraction angle to steer light to the desired direction, an electrically tunable transmission-type beam deflector based on liquid crystals is introduced, and electric fields are applied to the patterned indium tin oxide electrodes to change its phase retardation. Two different 2π phase-wrapping methods are applied to obtain various diffraction angles within the minimum cell-gap, and the method of equal interval of phase achieves a worthwhile diffraction efficiency compared to the methods based on equal interval of diffraction angle. The proposed method is able to completely eliminate the stripe noise in all steering angles that helps to improve the diffraction efficiency. Full article
(This article belongs to the Special Issue Advances in Nanophotonic Materials, Devices, and Applications)
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11 pages, 5962 KiB  
Article
Stable Single-Mode 795 nm Vertical-Cavity Surface-Emitting Laser for Quantum Sensing
by Yongli Wang, Yang Zhang, Chuanchuan Li, Jian Li, Xin Wei and Lianghui Chen
Materials 2024, 17(19), 4872; https://doi.org/10.3390/ma17194872 - 4 Oct 2024
Viewed by 1654
Abstract
Vertical-cavity surface-emitting lasers (VCSELs) are essential for exhibiting single-transverse-mode output characteristics, which are critical for applications in quantum sensing, optical interconnection, and laser printing. In this study, we achieved stable single-transverse-mode lasing using extended-2λ-cavity with an oxide aperture diameter of 7.08 μm. The [...] Read more.
Vertical-cavity surface-emitting lasers (VCSELs) are essential for exhibiting single-transverse-mode output characteristics, which are critical for applications in quantum sensing, optical interconnection, and laser printing. In this study, we achieved stable single-transverse-mode lasing using extended-2λ-cavity with an oxide aperture diameter of 7.08 μm. The device demonstrated a high output power of 6.8 mW and a narrow linewidth of 49.8 MHz at room temperature. Additionally, it maintained stable single-mode emission at 794.8 nm and achieved a side-mode suppression ratio (SMSR) exceeding 40 dB within the temperature range of 25 °C~85 °C, thereby meeting the requirements of 87Rb atom quantum sensors. The fabricated device obtained high-power and narrow linewidth single-transverse-mode operation by a monolithic extended cavity without introducing additional processing procedures, which is expected to promote the commercial viability of VCSELs in quantum sensing. Full article
(This article belongs to the Special Issue Advances in Nanophotonic Materials, Devices, and Applications)
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Review

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23 pages, 4538 KiB  
Review
Recent Progress in Pyro-Phototronic Effect-Based Photodetectors: A Path Toward Next-Generation Optoelectronics
by Vishwa Bhatt and Min-Jae Choi
Materials 2025, 18(5), 976; https://doi.org/10.3390/ma18050976 - 21 Feb 2025
Viewed by 596
Abstract
Since photodetectors are widely used in a variety of applications, such as imaging, optical communication, security and safety, motion detection, environmental sensing, and more, they are a crucial part of many technologies. The performance of photodetectors has significantly improved due to the advanced [...] Read more.
Since photodetectors are widely used in a variety of applications, such as imaging, optical communication, security and safety, motion detection, environmental sensing, and more, they are a crucial part of many technologies. The performance of photodetectors has significantly improved due to the advanced development of third-generation semiconducting materials caused by the novel pyro-phototronic effect. This effect; induced by localized heating under pulsed incident light, enhances the generation, separation, and collection of charge carriers within photodetectors. The combined pyroelectric and photoelectric effects resulting from this process are collectively termed the pyro-phototronic effect. It is crucial to understand how the pyro-phototronic effect affects the optoelectronic processes that take place during photodetection. This review addresses the latest advancements in photodetector performance by presenting the pyro-phototronic effect for a range of semiconductors. We provide a comprehensive summary of the pyro-phototronic effect in different semiconducting materials and outline recent developments in photodetectors. Full article
(This article belongs to the Special Issue Advances in Nanophotonic Materials, Devices, and Applications)
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