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Recent Advances in Fiber Gratings and Fiber-Grating-Based Devices

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

Deadline for manuscript submissions: closed (30 June 2021) | Viewed by 5039

Special Issue Editor


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Guest Editor
Faculty of Electronics and Information Technology, Warsaw University of Technology, 00-665 Warsaw, Poland
Interests: optical fibers; optical fiber components; fiber optic metrology
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

In recent years, the dynamic growth of research on the fabrication of fiber gratings (i.e., fiber Bragg gratings (FBGs) and long-period gratings (LPGs)) in novel/special optical fibers and their applications has been observed. Currently, the significant progress in the development of fiber gratings technology in non-standard fibers such as silica multicore and few-mode as well as polymer fibers is noticeable. These gratings are finding increasing applications in sensing and biosensing. They are also an integral part of more complex structures such as MMI sensors, grating-based Fabry–Perot interferometers, fiber lasers, as well as complex photonics and microwave photonics subsystems.

The aim of this Special Issue is to collect and present recent advances in fiber gratings design/modeling, technology, and their applications in life and science. We invite original and review papers on topics that include, but are not limited to, the following:

  • Theory and modeling of fiber gratings and grating-based devices;
  • Progress in fiber grating technology;
  • Special optical fibers for gratings fabrication;
  • Fiber grating sensors;
  • Fiber-grating-based passive components;
  • Fiber-grating-based lasers;
  • Fiber-grating-based measurement systems.

Prof. Tomasz Osuch
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 gratings
  • fiber Bragg gratings
  • long period gratings
  • fiber optic sensors
  • materials
  • special optical fibers
  • fiber lasers
  • fiber optic components
  • fiber optic metrology and measurement systems

Published Papers (2 papers)

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Research

13 pages, 3575 KiB  
Article
Receiver Integration with Arrayed Waveguide Gratings toward Multi-Wavelength Data-Centric Communications and Computing
by Yoshiyuki Doi, Toshihide Yoshimatsu, Yasuhiko Nakanishi, Satoshi Tsunashima, Masahiro Nada, Shin Kamei, Kimikazu Sano and Yuzo Ishii
Appl. Sci. 2020, 10(22), 8205; https://doi.org/10.3390/app10228205 - 19 Nov 2020
Cited by 10 | Viewed by 2786
Abstract
This paper reviews receivers that feature low-loss multimode-output arrayed waveguide gratings (MM-AWGs) for wavelength division multiplexing (WDM) as well as hybrid integration techniques with high-speed throughput of up to 100 Gb/s and beyond. A design of optical coupling between higher-order multimode beams and [...] Read more.
This paper reviews receivers that feature low-loss multimode-output arrayed waveguide gratings (MM-AWGs) for wavelength division multiplexing (WDM) as well as hybrid integration techniques with high-speed throughput of up to 100 Gb/s and beyond. A design of optical coupling between higher-order multimode beams and a photodiode for a flat-top spectral shape is described in detail. The WDM photoreceivers were fabricated with different approaches. A 10-Gb/s photoreceiver was developed for a 1.25-Gb/s baud rate and assembled for eight-channel WDM by mechanical alignment. A receiver with 40-Gb/s throughput was built by using visual alignment for a 10-Gb/s baud rate and four-channel WDM. A 100-Gb/s receiver assembled by active alignment with a four-channel by 25-Gb/s baud rate is the basis for beyond-100 Gb/s and future multi-wavelength integrated devices toward data-centric communications and computing. Full article
(This article belongs to the Special Issue Recent Advances in Fiber Gratings and Fiber-Grating-Based Devices)
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16 pages, 5546 KiB  
Article
Analysis of Distributed Measurement Method for Array Antenna Position
by Zhen Ma and Xiyuan Chen
Appl. Sci. 2020, 10(10), 3480; https://doi.org/10.3390/app10103480 - 18 May 2020
Cited by 2 | Viewed by 1861
Abstract
The measurement of the phase center of the airborne array antenna can directly affect the accuracy of the Earth observation system. However, the relationship between the relative motion of each sub-antenna cannot be accurately measured because of the adverse environment of the airborne [...] Read more.
The measurement of the phase center of the airborne array antenna can directly affect the accuracy of the Earth observation system. However, the relationship between the relative motion of each sub-antenna cannot be accurately measured because of the adverse environment of the airborne platform. Therefore, it is necessary to find a suitable method to measure the motion parameters of distributed antennas and the phase center of each element antenna accurately in order to improve the imaging resolution of the Earth observation system. Distributed position and orientation system (POS) technology has high precision, but its measurement error will accumulate with time. So it needs to transfer and align continuously to achieve high-precision measurement. The paper introduces the distributed measurement method of measuring the array antenna position based on the combination of fiber Bragg grating (FBG) sensing technology and POS technology on the aircraft wing. The paper first introduces the technical scheme and principle, then carries out the structural design and method analysis. Next, the structural strength of the experimental model is checked and summarized. Full article
(This article belongs to the Special Issue Recent Advances in Fiber Gratings and Fiber-Grating-Based Devices)
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