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Applied Sciences
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Wireless and Optical Communication: Technologies and Applications
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Wireless and Optical Communication: Technologies and Applications

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Electrical, Electronics and Communications Engineering".

Deadline for manuscript submissions: closed (31 August 2023) | Viewed by 2059

Special Issue Editors

Dr. Min Tao

E-Mail Website
Guest Editor
State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, China
Interests: solid-state lidar; robot development; development of embedded system; FPGA system design
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Junfeng Song

E-Mail Website
Guest Editor
College of Electronic Science and Engineering, Jilin University, Changchun 130033, China
Interests: photonics; optics and photonics; optics and lasers; optoelectronics; nonlinear optics
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Electronic circuit technology is the basis for achieving a rapid and stable industry. Laser radar technology is one of the 35 key technologies that have been blocked in China. It offers great opportunities but faces challenges at all levels to break through technological innovation and achieve independent control of core technologies. This journal mainly displays the relevant achievements in the development of circuits and systems as well as laser radar systems. Topics of interest mainly include the theoretical analysis of digital circuits and analog circuits, photoelectric detection technology, digital filters and signal processing, FPGA system design, intelligent machine development, embedded system development, intelligent system control, free-space optical communication, optical communication modulation and demodulation technology, optical communication networking technology, laser radar chip technology, laser ranging technology, optical phased array control technology, laser radar imaging technology, the integration of laser radar communication, the development of all-solid-state laser radar systems and other related topics.

Dr. Min Tao
Prof. Dr. Junfeng Song
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

  • electronic technology
  • electronic circuits
  • optical phased arrays
  • laser radar
  • laser ranging
  • space optical communication
  • FPGA system design
  • optical communication networking technology

Published Papers (2 papers)

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Research

14 pages, 2311 KiB  
Article
Compensation of the Distorted WDM Signals by Symmetric Dispersion Map with Nonuniform Zero-Crossing Place of Accumulated Dispersion in Midway-OPC System
by Jae-Pil Chung and Seong-Real Lee
Appl. Sci. 2023, 13(18), 10456; https://doi.org/10.3390/app131810456 - 19 Sep 2023
Viewed by 538
Abstract
The nonlinear Kerr effect and chromatic dispersion are the fundamental causes of optical signal degradation in single-mode fiber (SMF) and erbium-doped fiber-amplification (EDFA)-based wavelength division multiplexing (WDM) transmission. Dispersion management combined with a midway optical phase conjugator among the technologies for compensating for [...] Read more.
The nonlinear Kerr effect and chromatic dispersion are the fundamental causes of optical signal degradation in single-mode fiber (SMF) and erbium-doped fiber-amplification (EDFA)-based wavelength division multiplexing (WDM) transmission. Dispersion management combined with a midway optical phase conjugator among the technologies for compensating for such optical signal distortion is known to not be limited by the modulation format and multiplexing technology. Optimization of the dispersion map can partially alleviate the capacity and maximum transmission distance limitations of the SMF and EDFA system. In this paper, we propose various types of symmetric dispersion maps in which the position of zero-crossing place of the cumulative dispersion is not constant, and analyze the effect of each dispersion map configuration on 40 Gb/s × 24-channel WDM signal distortion compensation. When designed with the residual dispersion per span (RDPS) around 400 ps/nm, it is confirmed that most of the proposed dispersion maps are more effective in compensating the distorted WDM signal than conventional dispersion map. In particular, we confirm that, among the proposed dispersion maps, the dispersion map in which the RDPS is designed uniformly for all fiber spans can increase the power margin of WDM channel and expand the range of the total residual dispersion in the dispersion-managed link. Full article
(This article belongs to the Special Issue Wireless and Optical Communication: Technologies and Applications)
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14 pages, 7368 KiB  
Article
Research on Fast Detection Technology of Dark Currents in a Ge–Si Detector Array
by Zhen Gao, Min Tao, Xuetong Li, Junfeng Song, Zijian Liu, Ziming Wang and Chengming Li
Appl. Sci. 2023, 13(12), 6887; https://doi.org/10.3390/app13126887 - 6 Jun 2023
Viewed by 1219
Abstract
A shortwave infrared Ge–Si photodetector will become the core device of the LiDAR optical receiver. In order to meet the urgent demand for photodetectors in the LiDAR field, we designed and produced a 32 × 32-pixel Ge–Si photodetector array, which was proposed and [...] Read more.
A shortwave infrared Ge–Si photodetector will become the core device of the LiDAR optical receiver. In order to meet the urgent demand for photodetectors in the LiDAR field, we designed and produced a 32 × 32-pixel Ge–Si photodetector array, which was proposed and developed to meet the performance requirements of the detector array. A dark current detection system for fast scanning and detecting large-scale Ge–Si detector arrays was proposed and developed to achieve the rapid detection of dark current in each detector pixel, with a detection accuracy of less than 1 nA. The system validated the primary performance indicators of the detector array we designed, achieving rapid discrimination of the array performance and rapid localization of damaged pixels. The scanning test results showed that the average dark current of the designed detector array chip was on the nanoampere level, and the proportion of bad points was less than 1%. The consistency of the array chip was high, which meets the requirements of light detection at the receiving end of LiDAR. This work laid the foundation for our subsequent development of a LiDAR prototype system. Full article
(This article belongs to the Special Issue Wireless and Optical Communication: Technologies and Applications)
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