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Applied Sciences
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Advanced Optical-Fiber-Related Technologies
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Advanced Optical-Fiber-Related Technologies

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Optics and Lasers".

Deadline for manuscript submissions: 30 September 2024 | Viewed by 1801

Special Issue Editor

Dr. Galina Nemova

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Guest Editor
Department of Engineering Physics, Polytechnique Montréal, P.O. Box 6079, Station Centre-ville, Montréal, QC H3C 3A7, Canada
Interests: fiber optics; optical fibers; applied optics; radiation-balanced fiber lasers and amplifiers; nanophotonics; nonlinear optics; laser cooling of solids; quantum optics
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Optical fiber technologies are revolutionizing the world of communications, laser, sensors, and quantum systems. Newly developed fiber amplifiers allow for the direct transmission of high-speed signals over transcontinental distances without the need for electronic regeneration. Great possibilities of controlling the properties of light have made fiber lasers and amplifiers the optical sources of choice for a large range of scientific and industrial applications. Optical fiber sensors can provide nearly every physical parameter measurement including strain, torsion, temperature, vibration, and heat with high precision. They have found applications in structural health monitoring, robotics, biomedical applications and space research. Recently, optical fibers have found applications in waveguide quantum electrodynamics.

It is my pleasure and honor to present this Special Issue of Applied Sciences, titled “Advanced Optical-Fiber-Related Technologies”. I kindly invite you to submit your original research or review papers to this Special Issue. All papers will be subject to the normal standards and peer-review processes of the journal.

The purpose of this Special Issue is to provide an overview of recent experimental and theoretical achievements in optical fiber technologies. This Special Issue welcomes contributions from theoretical, numerical, and experimental studies, from fundamentals to application studies including fiber communications, fiber lasers, fiber sensors, fiber Bragg gratings, LPGs, fiber materials and design.

Potential topics include, but are not limited to, the following:

  • Fiber lasers and amplifiers.
  • Raman fiber lasers and amplifiers.
  • Brillouin fiber lasers and amplifiers.
  • Radiation-balanced (athermal) fiber lasers.
  • Fiber frequency comb sources.
  • Fiber supercontinuum sources.
  • Photonic crystal fibers.
  • Chalcogenide fibers.
  • Tellurite fibers.
  • Fluoride fibers.
  • New fiber materials and designs.
  • Laser cooling in optical fibers.
  • Nonlinear effects in optical fibers .
  • Fiber Bragg grating and LPGs.
  • Fiber switching, memory, and signal processing.
  • Long-haul transmission systems.
  • Fiber local area networks.
  • Fiber sensors and instrumentation.
  • Waveguide quantum electrodynamics.

Dr. Galina Nemova
Guest Editor

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

  • fiber optics
  • optical fibers
  • applied optics
  • radiation-balanced fiber lasers and amplifiers
  • Raman fiber lasersnanophotonics
  • nonlinear optics
  • Brillouin fiber lasers and amplifiers
  • fiber materials
  • fiber Bragg gratings
  • LPG
  • fiber networks
  • fiber sensors
  • quantum electrodynamics

Published Papers (2 papers)

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Review

38 pages, 33578 KiB  
Review
Advances in High–Speed, High–Power Photodiodes: From Fundamentals to Applications
by Qingtao Chen, Xiupu Zhang, Mohammad S. Sharawi and Raman Kashyap
Appl. Sci. 2024, 14(8), 3410; https://doi.org/10.3390/app14083410 - 17 Apr 2024
Viewed by 595
Abstract
High–speed, high–power photodiodes play a key role in wireless communication systems for the generation of millimeter wave (MMW) and terahertz (THz) waves based on photonics–based techniques. Uni–traveling–photodiode (UTC–PD) is an excellent candidate, not only meeting the above–mentioned requirements of broadband (3 GHz~1 THz) [...] Read more.
High–speed, high–power photodiodes play a key role in wireless communication systems for the generation of millimeter wave (MMW) and terahertz (THz) waves based on photonics–based techniques. Uni–traveling–photodiode (UTC–PD) is an excellent candidate, not only meeting the above–mentioned requirements of broadband (3 GHz~1 THz) and high–frequency operation, but also exhibiting the high output power over mW–level at the 300 GHz band. This paper reviews the fundamentals of high–speed, high–power photodiodes, mirror–reflected photodiodes, microstructure photodiodes, photodiode–integrated devices, the related equivalent circuits, and design considerations. Those characteristics of photodiodes and the related photonic–based devices are analyzed and reviewed with comparisons in detail, which provides a new path for these devices with applications in short–range wireless communications in 6G and beyond. Full article
(This article belongs to the Special Issue Advanced Optical-Fiber-Related Technologies)
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18 pages, 2605 KiB  
Review
Brief Review of Recent Developments in Fiber Lasers
by Galina Nemova
Appl. Sci. 2024, 14(6), 2323; https://doi.org/10.3390/app14062323 - 10 Mar 2024
Viewed by 847
Abstract
This review covers the recent achievements in high-power rare earth (RE)-doped fiber lasers, Raman fiber lasers, and Brillouin fiber lasers. RE-doped fiber lasers have many applications such as laser cutting, laser welding, laser cleaning, and laser precision processing. They operate in several wavelength [...] Read more.
This review covers the recent achievements in high-power rare earth (RE)-doped fiber lasers, Raman fiber lasers, and Brillouin fiber lasers. RE-doped fiber lasers have many applications such as laser cutting, laser welding, laser cleaning, and laser precision processing. They operate in several wavelength ranges including 1050–1120 nm (ytterbium-doped fiber lasers), 1530–1590 nm (erbium- and erbium–ytterbium-doped fiber lasers), and 1900–2100 nm (thulium- and holmium-doped fiber lasers). White spaces in the wavelength spectrum, where no RE-doped fiber lasers are available, can be covered by Raman lasers. The heat power generated inside the laser active medium due to the quantum defect degrades the performance of the laser causing, for example, transverse-mode instability and thermal lensing. It can even cause catastrophic fiber damage. Different approaches permitting the mitigation of the heat generation process are considered in this review. Brillouin fiber lasers, especially multiwavelength Brillouin fiber lasers, have several important applications including optical communication, microwave generation, and temperature sensing. Recent progress in Brillouin fiber lasers is considered in this review. Full article
(This article belongs to the Special Issue Advanced Optical-Fiber-Related Technologies)
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