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Advances in Optical Fiber Amplifiers: Techniques and Applications to Laser-Based...
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Advances in Optical Fiber Amplifiers: Techniques and Applications to Laser-Based Global Connectivity

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

Deadline for manuscript submissions: closed (30 November 2023) | Viewed by 7591

Special Issue Editors

Prof. Dr. Arun K. Majumdar

E-Mail Website
Guest Editor
Research Scientist, Colorado State University-Pueblo, Pueblo, CO 81001, USA
Interests: optical communication; optical receivers; optical transmitters; signal processing
Dr. Morio Toyoshima

E-Mail Website
Guest Editor
Director General of Wireless Networks Research Center, National Institute of Information and Communications Technology (NICT), Koganei, Tokyo 184-8795, Japan
Interests: satellite communications; optical communication; laser beam propagation; satellite quantum cryptography
Dr. Jan Latal

E-Mail Website
Guest Editor
Faculty of Electrical Engineering and Computer Science, VSB–Technical University of Ostrava, 17. listopadu 2172/15, 708 00 Ostrava Poruba, Czech Republic
Interests: optics computer networking; photonics optics; lasers optoelectronics; nonlinear optics; nanophotonics
Prof. Dr. Srinivas Talabattula

E-Mail Website
Guest Editor
Department of Electrical Communication Engineering, Indian Institute of Science, Bangalore 560012, India
Interests: photonic integrated circuits; optical biosensors; quantum information technology

Special Issue Information

Dear Colleagues,

In communication systems and networks, the signals from the sender pass through the transmission medium and the components, and finally are received by the receiver. The ultimate communication system performance is determined by the available signal-to-noise ratio (SNR) and the achievable bit-error-rate (BER). Wireless communication systems and associated networks have experienced a tremendous growing increase in data traffic due to the ever-increasing wireless broadband internet and wide-spread uses of smart devices anytime, anywhere. Free Space Optical Communications (FSOs) and fiber communications are considered as alternate technologies where RF-based technology cannot be used or is not suitable to meet today’s demand of growing increase in the data traffic. In addition, the recent developments of laser satellites at various orbits require ideally all-optical technologies from the sender’s to the receiver’s ends, to establish high data rate communications worldwide including at remote locations. In conclusion, signals at every stage need to be amplified before reaching the next stage. Optical amplifiers play one of the most roles in all categories of FSO and fiber communication systems in compensating for the losses due to transmission medium such as atmospheric turbulence and fiber medium as well as due to the associated components. The goal of the optical amplifier is to reduce the need for expensive, complex and slow optical–electrical–optical conversion.

This Special Issue addresses the latest up to date and advanced results on optical amplifiers, different techniques and performance to achieve the goal of amplifying communication signals for various applications like laser satellites and associated fiber optics components for FSO and fiber optics guided communications for space, aerial, terrestrial and underwater communication terminals. This Special Issue should be useful to the researchers in academia, industry and telecommunications service operators.

Contributions are requested in the following topics (but are not limited to):

  • Semiconductor optical amplifier for next generation optical networks including routing and signal processing;
  • Photonic integrated semiconductor optical amplifier;
  • Compact optical amplifier without significant excess noise for long range space and fiber communication;
  • Next challenges of optical amplifier for space optical links including satellite, aerial, terrestrial and underwater terminals.

Submissions should be of high quality, suitable for an international journal, and should not have been submitted or published elsewhere. Finally, we welcome review papers that cover the subjects of this Special Issue.

Prof. Dr. Arun K. Majumdar
Dr. Morio Toyoshima
Dr. Jan Latal
Prof. Dr. Srinivas Talabattula
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

  • optical networks
  • satellite communication
  • optical communication
  • photonic integrated semiconductor
  • optical amplifier

Published Papers (4 papers)

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Research

13 pages, 5172 KiB  
Article
Long Distance Military Fiber-Optic Polarization Sensor Improved by an Optical Amplifier
by Martin Kyselak, Jiri Vavra, Karel Slavicek, David Grenar and Lucie Hudcova
Electronics 2023, 12(7), 1740; https://doi.org/10.3390/electronics12071740 - 06 Apr 2023
Cited by 1 | Viewed by 1419
Abstract
The ever-increasing demands for the use of fiber-optic sensors powered by long optical fibers is forcing developers to solve problems associated with powering these remote sensors. Due to their non-electric character, these sensors are suitable for many uses, including military applications. The Army [...] Read more.
The ever-increasing demands for the use of fiber-optic sensors powered by long optical fibers is forcing developers to solve problems associated with powering these remote sensors. Due to their non-electric character, these sensors are suitable for many uses, including military applications. The Army of the Czech Republic is very interested in this type of optical fiber sensor as it fulfils the significant prerequisites for use in military areas. However, the army’s requirements are challenging because they require long supply cables in which there is significant attenuation of optical power. At the same time, there is a need for high sensitivity. The subject of our research team’s work was to use amplifiers to power these sensors. The army already uses this type of sensor for short distances as it cannot ignite a gas mixture with an explosive concentration and thus meet the strict requirements of the explosion-poof standard. The novelty of our research lies in the discovered measurement technique that allows the sensors to be powered remotely and in the saving of optical fibers by utilizing duplex communication with a circulator. Furthermore, the research presents an innovative approach to the optimization of the entire sensor by using a bidirectional, sensory, polarization-maintaining optical fiber. The proposed sensor was first verified in laboratory conditions at the Optoelectronics Laboratory of the University of Defense in Brno, and further tests were carried out in the military training areas of Boletice and Březina in the Czech Republic, which is a member of North Atlantic Treaty Organization. Full article
(This article belongs to the Special Issue Advances in Optical Fiber Amplifiers: Techniques and Applications to Laser-Based Global Connectivity)
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19 pages, 5325 KiB  
Article
Remote Real-Time Optical Layers Performance Monitoring Using a Modern FPMT Technique Integrated with an EDFA Optical Amplifier
by Ahmed Atef Ibrahim, Mohammed Mohammed Fouad and Azhar Ahmed Hamdi
Electronics 2023, 12(3), 601; https://doi.org/10.3390/electronics12030601 - 25 Jan 2023
Cited by 2 | Viewed by 1240
Abstract
Fiber performance monitoring using modern online technologies in the next generation of intelligent optical networks allows for identifying the source of the degeneration and putting in protective steps to increase remote optical network stability & reliability. In this paper, the performance of the [...] Read more.
Fiber performance monitoring using modern online technologies in the next generation of intelligent optical networks allows for identifying the source of the degeneration and putting in protective steps to increase remote optical network stability & reliability. In this paper, the performance of the fiber performance monitoring tool (FPMT) technique was improved by integrating it with optical amplifier boards. In this regard, the improved technique detects optical layer events and all fiber soft and hard failures at the online remote rather than disrupting the data flow with a measurement accuracy for defect location of up to ~99.9%, small tolerance of up to ~1 m, the longest distance to detecting optical line defects of up to ~300km, and enhanced power budget for the system with optimum insertion-loss of up to ~0.0 dB. The proposed integration method provides better results with an excellent and efficient solution at fault location measurement & detection in real-time with good financial implications of the technique. The competitiveness of the improved technique over the actual optical networks has been successfully confirmed through application to Huawei labs infrastructure nodes and displayed experimental simulation results. Full article
(This article belongs to the Special Issue Advances in Optical Fiber Amplifiers: Techniques and Applications to Laser-Based Global Connectivity)
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18 pages, 5710 KiB  
Communication
A Design Fiber Performance Monitoring Tool (FPMT) for Online Remote Fiber Line Performance Detection
by Ahmed Atef Ibrahim, Mohammed Mohammed Fouad and Azhar Ahmed Hamdi
Electronics 2022, 11(21), 3627; https://doi.org/10.3390/electronics11213627 - 07 Nov 2022
Cited by 3 | Viewed by 1486
Abstract
A new technique for fiber faults events detection and monitoring in optical communication network systems is proposed. The fiber performance monitoring tool is a new proposed technique designed to detect, locate, and estimate the fiber faults without interrupting the data flow with efficient [...] Read more.
A new technique for fiber faults events detection and monitoring in optical communication network systems is proposed. The fiber performance monitoring tool is a new proposed technique designed to detect, locate, and estimate the fiber faults without interrupting the data flow with efficient costs and to improve the availability and reliability of optical networks as it detects fiber faults remotely in real time. Instead of the traditional old method, the new proposed FPMT uses an optical time domain reflectometer to detect multiple types of fiber failures, e.g., fiber breaks, fiber end face contamination, fiber end face burning, large insertion losses on the connector and interconnection, or mismatches between two different types of fiber cables. The proposed technique methodology to detect the fiber failures depends on analyzing the feedback of the reflected signal and the pattern shape of the reflected signal over network fiber lines, supports a higher range of distance testing and performance monitoring, and can be performed inside an optical network in real time and remotely by integrating with an OSC board. The proposed technique detects fiber faults with an average accuracy of measurement up to 99.8%, the maximum distance to detect fiber line faults is up to 150 km, and it can improve the system power budget with a minimal insertion loss of 0.4 dB. The superiority of the suggested technique over real networks was verified with success by the Huawei labs’ infrastructure nodes in the simulation experiment results. Full article
(This article belongs to the Special Issue Advances in Optical Fiber Amplifiers: Techniques and Applications to Laser-Based Global Connectivity)
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10 pages, 4392 KiB  
Article
Development and Space-Qualification of a Miniaturized CubeSat’s 2-W EDFA for Space Laser Communications
by Alberto Carrasco-Casado, Koichi Shiratama, Dimitar Kolev, Phuc V. Trinh, Femi Ishola, Tetsuharu Fuse and Morio Toyoshima
Electronics 2022, 11(15), 2468; https://doi.org/10.3390/electronics11152468 - 08 Aug 2022
Cited by 5 | Viewed by 2717
Abstract
The Japanese National Institute of Information and Communications Technology (NICT) is currently developing a high-performance laser-communication terminal for CubeSats aimed at providing a high-datarate communication solution for LEO satellites requiring transmission of large volumes of data from orbit. A key aspect of the [...] Read more.
The Japanese National Institute of Information and Communications Technology (NICT) is currently developing a high-performance laser-communication terminal for CubeSats aimed at providing a high-datarate communication solution for LEO satellites requiring transmission of large volumes of data from orbit. A key aspect of the communication system is a high-power optical amplifier capable of providing enough gain to the transmitted signals to be able to close the link on its counterpart’s receiver with the smallest impact in terms of energy and power on the CubeSat’s platform. This manuscript describes the development of a miniaturized 2-W space-grade 2-stage erbium-doped fiber amplifier (EDFA) compatible with the CubeSat form factor, showing the best power-to-size ratio for a space-qualified EDFA to the best of the authors’ knowledge. Performance results under realistic conditions as well as full space qualification and test are presented, proving that this module can support short-duration LEO-ground downlinks as well as long-duration intersatellite links. Full article
(This article belongs to the Special Issue Advances in Optical Fiber Amplifiers: Techniques and Applications to Laser-Based Global Connectivity)
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