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Electronics
Special Issues
Emerging Optoelectronics Devices: Materials, Designs and Applications
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Emerging Optoelectronics Devices: Materials, Designs and Applications

A special issue of Electronics (ISSN 2079-9292). This special issue belongs to the section "Optoelectronics".

Deadline for manuscript submissions: closed (30 April 2024) | Viewed by 2042

Special Issue Editors

Dr. Seyed Mohammad Mirjalili

E-Mail Website
Guest Editor
Department of Engineering Physics, Polytechnique Montréal, Montreal, QC H3C 3A7, Canada
Interests: photonics; electronics and optoelectronics devices; fiber-optic communication; photonic crystals; engineering optimization; artificial intelligence
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Seyedali Mirjalili

E-Mail Website
Guest Editor
1. University Research and Innovation Center, Obuda University, 1034 Budapest, Hungary
2. Centre for Artificial Intelligence Research and Optimisation, Torrens University Australia, Brisbane, QLD 4006, Australia
Interests: artificial intelligence; metaheuristics; engineering optimization; evolutionary algorithm; swarm intelligence; photonics
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Over the last few decades, there has been growing interest in utilizing optoelectronics devices for a diverse range of applications. In such devices, the light photons and electrons of the materials are converted to each other through light–matter interactions. Therefore, light–matter interactions provide the opportunity to generate, manipulate, and detect lightwaves for many applications which are used in our daily life. This Special Issue seeks original submissions on all topics in emerging optoelectronics, including device materials, designs, and applications. Topics include but are not limited to optoelectronics devices which are used in sensing, imaging, solar energy harvesting, fiber-optic communication, and so on.

Technical Program Committee Members:

  1. Dr. Hussein Taleb, Tarbiat Modares University (TMU)
  2. Dr. Behnaz Merikhi, Concordia University
  3. Dr. Somayeh Davar, Concordia University

Dr. Seyed Mohammad Mirjalili
Prof. Dr. Seyedali Mirjalili 
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. Electronics 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

  • optoelectronics devices
  • photonics
  • light engineering
  • sensing
  • imaging
  • solar energy harvesting
  • fiber-optic communication

Published Papers (2 papers)

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Research

17 pages, 5963 KiB  
Article
Compact High-Resolution Multi-Wavelength LED Light Source for Eye Stimulation
by Giovanni Gibertoni, Guido Borghi and Luigi Rovati
Electronics 2024, 13(6), 1127; https://0-doi-org.brum.beds.ac.uk/10.3390/electronics13061127 - 20 Mar 2024
Viewed by 497
Abstract
Eye stimulation research plays a critical role in advancing our understanding of visual processing and developing new therapies for visual impairments. Despite its importance, researchers and clinicians still face challenges with the availability of cost-effective, precise, and versatile tools for conducting these studies. [...] Read more.
Eye stimulation research plays a critical role in advancing our understanding of visual processing and developing new therapies for visual impairments. Despite its importance, researchers and clinicians still face challenges with the availability of cost-effective, precise, and versatile tools for conducting these studies. Therefore, this study introduces a high-resolution, compact, and budget-friendly multi-wavelength LED light source tailored for precise and versatile eye stimulation, addressing the aforementioned needs in medical research and visual science. Accommodating standard 3 mm or 5 mm package LEDs, the system boasts broad compatibility, while its integration with any microcontroller capable of PWM generation and supporting SPI and UART communication ensures adaptability across diverse applications. Operating at high resolution (18 bits or more) with great linearity, the LED light source offers nuanced control for sophisticated eye stimulation protocols. The simple 3D printable optical design allows the coupling of up to seven different wavelengths while ensuring the cost-effectiveness of the device. The system’s output has been designed to be fiber-coupled with standard SMA connectors to be compatible with most solutions. The proposed implementation significantly undercuts the cost of commercially available solutions, providing a viable, budget-friendly option for advancing eye stimulation research. Full article
(This article belongs to the Special Issue Emerging Optoelectronics Devices: Materials, Designs and Applications)
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13 pages, 3264 KiB  
Article
Comparative Performance Evaluation of Conventional and Folded Detector Structures: Application to Perovskite X-ray Detectors
by Robin Ray and M. Z. Kabir
Electronics 2023, 12(13), 2976; https://0-doi-org.brum.beds.ac.uk/10.3390/electronics12132976 - 6 Jul 2023
Viewed by 1114
Abstract
The imaging performance of a semiconductor radiation imaging detector critically depends on its photoconductor layer thickness. The conventional detector structure (i.e., a photoconductor layer is sandwiched between two parallel electrodes) needs a strict design criterion on photoconductor thickness as compared to folded detector [...] Read more.
The imaging performance of a semiconductor radiation imaging detector critically depends on its photoconductor layer thickness. The conventional detector structure (i.e., a photoconductor layer is sandwiched between two parallel electrodes) needs a strict design criterion on photoconductor thickness as compared to folded detector structure for optimizing the detective quantum efficiency (DQE), which is the most important imaging performance. In this paper, the DQE performance of both folded and conventional detector structures is analyzed by incorporating the quantum noise due to random charge carrier trapping in the photoconductor layer in the cascaded linear system model. An analytical expression for the variance of incomplete charge collection in folded structure is also developed. The optimum values of photoconductor layer thickness and spacing between electrodes for maximizing the DQE under various combinations of exposure, electronic noise and charge carrier transport parameters are investigated. The folded structure provides a design flexibility for achieving DQE higher than 0.7 by adjusting the distance between electrodes without compromising the quantum efficiency while the maximum possible DQE in conventional structure can be even below 0.3 for certain values of material and detector parameters. Full article
(This article belongs to the Special Issue Emerging Optoelectronics Devices: Materials, Designs and Applications)
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