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Photonics
Special Issues
Fiber Lasers and Amplifiers
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Fiber Lasers and Amplifiers

A special issue of Photonics (ISSN 2304-6732).

Deadline for manuscript submissions: closed (31 May 2023) | Viewed by 3158

Special Issue Editor

Dr. Mario Christian Falconi

E-Mail Website
Guest Editor
Department of Electrical and Information Engineering, Polytechnic University of Bari, Via Orabona 4, 70125 Bari, Italy
Interests: fiber optics; photonic crystal fibers; plasmonic nanotweezers; rare-earth doped fiber lasers and amplifiers; supercontinuum generation

Special Issue Information

Dear Colleagues,

In recent decades, remarkable advances have been made in the field of fiber lasers and amplifiers, with the development of increasingly efficient, compact, and low-cost devices operating in the near-infrared (NIR) and mid-infrared (MIR) regions. Several fiber lasers and amplifiers exploiting rare-earth-doped materials, stimulated Brillouin scattering (SBS), stimulated Raman scattering (SRS), and optical parametric amplification (OPA) have been proposed in the literature. They are based on different glasses (e.g., silicate, germanate, chalcogenide, and fluoride glasses) and can operate both in continuous-wave (CW) and pulsed regimes. Optical pulses were generated by means of gain-switching, Q-switching, and mode-locking techniques. Moreover, numerous mathematical models were developed and employed to investigate and optimize the performance of fiber lasers and amplifiers.

This Special Issue aims to collect the latest theoretical and experimental results about fiber lasers and amplifiers. The submission of both original research papers and review papers is encouraged. Topics include, but are not limited to, the following:

  • Rare-earth-doped fiber lasers and amplifiers;
  • Brillouin fiber lasers and amplifiers;
  • Raman fiber lasers and amplifiers;
  • Fiber optical parametric oscillators and amplifiers;
  • Continuous-wave and pulsed fiber lasers;
  • The modeling and optimization of fiber lasers and amplifiers.

Dr. Mario Christian Falconi
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. Photonics is an international peer-reviewed open access monthly 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

  • rare-earth-doped fiber lasers and amplifiers
  • brillouin fiber lasers and amplifiers
  • raman fiber lasers and amplifiers
  • fiber optical parametric oscillators and amplifiers
  • continuous-wave fiber lasers
  • pulsed fiber lasers
  • gain switching
  • Q-switching
  • mode locking
  • the modeling and optimization of fiber lasers and amplifiers

Published Papers (2 papers)

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Research

8 pages, 2230 KiB  
Communication
All-Fiber Wavelength-Tunable Narrow-Linewidth Polarization-Maintaining Tm-Doped Fiber MOPA System
by Tianran Sun, Xinyang Su, Yunhong Zhang, Huaiwei Zhang, Tianjia Xu and Yi Zheng
Photonics 2022, 9(10), 778; https://doi.org/10.3390/photonics9100778 - 19 Oct 2022
Cited by 2 | Viewed by 1422
Abstract
An all-fiber wavelength-tunable narrow-linewidth polarization-maintaining (PM) Tm-doped fiber master oscillator power amplifier (MOPA) system is presented. We demonstrate an all-fiber ring cavity Tm-doped fiber master-oscillator (MO) with a tuning range of 110 nm (from 1925 to 2034 nm). The maximum output power of [...] Read more.
An all-fiber wavelength-tunable narrow-linewidth polarization-maintaining (PM) Tm-doped fiber master oscillator power amplifier (MOPA) system is presented. We demonstrate an all-fiber ring cavity Tm-doped fiber master-oscillator (MO) with a tuning range of 110 nm (from 1925 to 2034 nm). The maximum output power of 459 mW is obtained at 1992.9 nm for 16 W of launched pump power at 793 nm, corresponding to a slope efficiency of 5.6% concerning launched pump power. By using a one-stage Tm-doped fiber amplifier combined with a high gain of >10 dB, the maximum slope efficiency is 12.6% and the output power is 5.65 W at 1993 nm. The 3 dB linewidth is less than 0.5 nm, M2 ≈ 1.25, and the polarization extinction ratio (PER) reaches 21.4 dB. The influence of different active fiber lengths on laser amplification is also studied. Full article
(This article belongs to the Special Issue Fiber Lasers and Amplifiers)
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10 pages, 5201 KiB  
Communication
Monolithic Side-Pumped Amplifier Based on an Yb-Doped Tapered-Fiber and Yielding 0.53 MW 9.3 ps Pulses
by Konstantin Bobkov, Andrey Levchenko, Denis Lipatov, Alexey Guryanov, Mikhail Bubnov and Mikhail Likhachev
Photonics 2022, 9(10), 771; https://doi.org/10.3390/photonics9100771 - 15 Oct 2022
Cited by 1 | Viewed by 1327
Abstract
We demonstrated a simple design of a monolithic all-fiber side-coupled combiner for counter-pumped amplifiers that requires no special fiber processing systems for fabrication. The combiner based on a Yb-doped polarization-maintained tapered fiber with an output core diameter of 40 µm and a total [...] Read more.
We demonstrated a simple design of a monolithic all-fiber side-coupled combiner for counter-pumped amplifiers that requires no special fiber processing systems for fabrication. The combiner based on a Yb-doped polarization-maintained tapered fiber with an output core diameter of 40 µm and a total length of 1.8 m exhibiting over 60% coupling efficiency of 976 nm 0.10 NA pump power was demonstrated and utilized to amplify 1064 nm 9.3 ps 1.84 MHz pulses up to 9.1 W of average power and 0.53 MW of peak power with near diffraction-limited beam quality. The demonstrated approach seems promising for further power scaling, retaining good output beam characteristics via design optimization. Full article
(This article belongs to the Special Issue Fiber Lasers and Amplifiers)
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