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Fiber Lasers and Non-Linear Optics of Materials

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Optical and Photonic Materials".

Deadline for manuscript submissions: closed (20 August 2022) | Viewed by 5148

Special Issue Editor

College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha, China
Interests: high-quality laser generation; structural optics generation and propagation; laser beam combine; nanomaterials

Special Issue Information

Dear Colleagues,

Elias Snitzer invented the fiber laser in 1961 and demonstrated its use in 1963. In the 1990s, serious commercial applications emerged. At present, fiber lasers are everywhere in today’s society, and fiber lasers and non-linear optics of materials have increasingly attracted attention of scientists and technologists.

Fiber lasers are widely utilized in industrial applications, telecommunications, and medicine due to their high electrical efficiency, cheap maintenance and running costs, and wide range of wavelengths. Today, significant breakthroughs in fiber laser technology are continuously being produced, making it more efficient, powerful, and accessible.

Fiber lasers use an optical fiber cable made of silica glass to guide light. Nonlinear optics of materials is a critical component of high-quality fiber laser generation, and it is expanding rapidly. It is also worth noting that there has been a tremendous amount of research carried out on nonlinear optics, optical materials, and nonlinear optics devices in recent years.

Topics of interest include but are not limited to:

  • Fiber and fiber-based devices;
  • Ultrafast fiber lasers;
  • High power fiber lasers;
  • Beam combination of lasers;
  • Nonlinear optics;
  • Second harmonic generation;
  • Nonlinear optics devices.

This is an open invitation to contribute to a Special Issue on “Fiber Lasers and Non-Linear Optics of Materials”. We look forward to your submissions.

Dr. Jian Wu
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. Materials 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 2600 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 lasers
  • high power lasers
  • single frequency
  • near-diffraction-limited
  • beam combination
  • nonlinear optics
  • optical materials
  • second harmonic generation
  • higher-order harmonics
  • nonlinear optics devices
  • 2D materials
  • flexible material

Published Papers (3 papers)

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Research

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7 pages, 975 KiB  
Article
Generation of 99.8 fs, 25 kW Peak-Power, Dispersion-Managed Pulses Directly from an Yb-Doped Figure-of-9 Fiber Laser
by Shuai Yuan, Lu Si, Jianing Chen, Junyu Chen and Han Yu
Materials 2022, 15(19), 7038; https://0-doi-org.brum.beds.ac.uk/10.3390/ma15197038 - 10 Oct 2022
Cited by 1 | Viewed by 1519
Abstract
We reported on the generation of 99.8 fs, 25 kW peak-power, dispersion-managed pulses directly from a passively mode-locked Yb-fiber laser oscillator with a figure-of-9 configuration. The introduction of strongly injected pump power and optical components with a high damage threshold enables high-power operation, [...] Read more.
We reported on the generation of 99.8 fs, 25 kW peak-power, dispersion-managed pulses directly from a passively mode-locked Yb-fiber laser oscillator with a figure-of-9 configuration. The introduction of strongly injected pump power and optical components with a high damage threshold enables high-power operation, while the polarization-maintaining (PM) fiber supports environmentally stable self-started mode-locking. Mode-locking in the soliton-like and negative-dispersion regime is characterized by the dispersion management via tuning the separation distances between a pair of gratings inside the cavity. The oscillator generates stable pulses with up to 40.10 mW average power at a 16.03 MHz repetition rate, corresponding to a pulse energy of 2.5 nJ. To the best of our knowledge, it is the highest peak-power directly obtained by a laser oscillator with a figure-of-9 configuration. Full article
(This article belongs to the Special Issue Fiber Lasers and Non-Linear Optics of Materials)
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8 pages, 2587 KiB  
Article
Continuous Goos-Hänchen Shift of Vortex Beam via Symmetric Metal-Cladding Waveguide
by Xue Fen Kan, Zhi Xin Zou, Cheng Yin, Hui Ping Xu, Xian Ping Wang, Qing Bang Han and Zhuang Qi Cao
Materials 2022, 15(12), 4267; https://0-doi-org.brum.beds.ac.uk/10.3390/ma15124267 - 16 Jun 2022
Cited by 4 | Viewed by 1114
Abstract
Goos-Hänchen shift provides a way to manipulate the transverse shift of an optical beam with sub-wavelength accuracy. Among various enhancement schemes, millimeter-scale shift at near-infrared range has been realized by a simple symmetrical metal-cladding waveguide structure owing to its unique ultrahigh-order modes. However, [...] Read more.
Goos-Hänchen shift provides a way to manipulate the transverse shift of an optical beam with sub-wavelength accuracy. Among various enhancement schemes, millimeter-scale shift at near-infrared range has been realized by a simple symmetrical metal-cladding waveguide structure owing to its unique ultrahigh-order modes. However, the interpretation of the shift depends crucially on its definition. This paper shows that the shift of a Gaussian beam is discrete if we follow the light peak based on the stationary phase approach, where the M-lines are fixed to specific directions and the beam profile is separated near resonance. On the contrary, continuous shift can be obtained if the waveguide is illuminated by a vortex beam, and the physical cause can be attributed to the position-dependent phase-match condition of the ultrahigh-order modes due to the spatial phase distribution. Full article
(This article belongs to the Special Issue Fiber Lasers and Non-Linear Optics of Materials)
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Review

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26 pages, 8954 KiB  
Review
Frontier and Hot Topics of Pulsed Fiber Lasers via CiteSpace Scientometric Analysis: Passively Mode-Locked Fiber Lasers with Real Saturable Absorbers Based on Two-Dimensional Materials
by Wen Zhou, Xiuyang Pang, Hanke Zhang, Qiang Yu, Fangqi Liu, Wenyue Wang, Yikun Zhao, Yan Lu and Zixin Yang
Materials 2022, 15(19), 6761; https://0-doi-org.brum.beds.ac.uk/10.3390/ma15196761 - 29 Sep 2022
Cited by 10 | Viewed by 2091
Abstract
Pulsed fiber lasers, with high peak power and narrow pulse widths, have been proven to be an important tool for a variety of fields of application. In this work, frontier and hot topics in pulsed fiber lasers were analyzed with 11,064 articles. Benefitting [...] Read more.
Pulsed fiber lasers, with high peak power and narrow pulse widths, have been proven to be an important tool for a variety of fields of application. In this work, frontier and hot topics in pulsed fiber lasers were analyzed with 11,064 articles. Benefitting from the scientometric analysis capabilities of CiteSpace, the analysis found that passively mode-locked fiber lasers with saturable absorbers (SAs) based on two-dimensional (2D) materials have become a hot research topic in the field of pulsed fiber lasers due to the advantages of self-starting operation, high stability, and good compatibility. The excellent nonlinear optical properties exhibited by 2D materials at nanometer-scale thicknesses have become a particularly popular research topic; the research has paved the way for exploring its wider applications. We summarize the performance of several typical 2D materials in ultrafast fiber lasers, such as graphene, topological insulators (TIs), transition metal dichalcogenides (TMDs), and black phosphorus (BP). Meanwhile, we review and analyze the direction of the development of 2D SAs for ultrafast fiber lasers. Full article
(This article belongs to the Special Issue Fiber Lasers and Non-Linear Optics of Materials)
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