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2.1
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Photonics
Special Issues
Fiber Lasers
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Fiber Lasers

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

Deadline for manuscript submissions: closed (30 November 2021) | Viewed by 4048

Special Issue Editors

Dr. Mehmetcan Akbulut

E-Mail Website
Guest Editor
Wyant College of Optical Sciences, University of Arizona,Tucson, AZ 85721, USA
Interests: ultrafast optics; fiber lasers and amplifiers; semiconductor lasers and amplifiers; optical frequency combs; RF photonics; optical signal processing; optical communications; polarization mode dispersion; ultrafast pulse shaping; wide range of optical product development
Dr. Leonid Kotov

E-Mail Website
Guest Editor
NP Photonics, Tucson, AZ 85721, USA
Interests: fiber; laser; fiber optics; optics and lasers; nonliear optics

Special Issue Information

Dear colleague,

Fiber laser research and development has received significant focus for the past three decades. The rapid progress in this field has been astonishing. With applications ranging from manufacturing to biomedicine, sensing, metrology, telecommunications, and defense, fiber lasers have entered and improved our daily lives. Reports of fiber lasers with kiloWatts of power, milliJoules of energy, and MegaWatts of peak power at the 1 micron, 1.5 micron and 2 micron bands have become common place. They are giving Gas and Solid-state lasers a run for their money, and even taking over some of their markets. As we write this, hundreds and thousands of commercial and research institutions all around the world are working hard to invent the next generation of fiber lasers.

In this Special Issue on Fiber Lasers, we wish to sample the latest interests of the research community. Recommended topics for this issue are (but not limited to):

Simulations and studies of fiber laser dynamics, temporal and modal fluctuations

Mode-locked, Q-switched and Gain-switched fiber lasers

Single-cycle fiber lasers and Fiber-laser based Frequency Combs

Nonlinearity based fiber lasers (Raman, Brillouin, etc.)

High energy pulsed fiber lasers

kW-class high power fiber lasers, including multiple laser combining

Studies on the limits of fiber laser power and energy extraction

Single-frequency fiber lasers

Multi-core fiber lasers (coherent, incoherent)

Fiber lasers with non-standard wavelengths (Visible, UV, Mid-IR, IR, etc.)

Novel fiber glasses and waveguide geometries for fiber lasers

Optical and electronic locking of multiple fiber lasers

Fiber lasers with multi-wavelength output

Dr. Mehmetcan Akbulut
Dr. Leonid Kotov
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. 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.

Published Papers (2 papers)

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Research

11 pages, 2077 KiB  
Article
Low Frequency Anti-Interference Mechanism of Axial Stretching Fiber Laser Hydrophones
by Wenzhang Song, Bo Tong, Junbin Huang, Hongcan Gu, Bo Tang, Wen Liu, Yandong Pang and Gaofei Yao
Photonics 2022, 9(5), 318; https://doi.org/10.3390/photonics9050318 - 6 May 2022
Viewed by 1361
Abstract
For the axial stretching fiber laser hydrophone, a fiber laser is often exposed to flexural interference. A theoretical model for the flexural vibration of a fiber laser was therefore constructed in this paper to explore the low frequency anti-interference mechanism for the frequency [...] Read more.
For the axial stretching fiber laser hydrophone, a fiber laser is often exposed to flexural interference. A theoretical model for the flexural vibration of a fiber laser was therefore constructed in this paper to explore the low frequency anti-interference mechanism for the frequency response of an axially tensioned fiber laser hydrophone (FLH). A specific packaging structure was used for finite element comparison and simulation. Packaged FLHs were tested for frequency response. The simulation and test results reveal that the flexible attachment at both ends of a fiber laser leads to lower amplitude of flexural vibration compared with rigid attachment, which therefore promotes a flat acoustic response curve of an FLH. The analysis given in this paper can be taken as a basis for improving the packaging technique. Full article
(This article belongs to the Special Issue Fiber Lasers)
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11 pages, 2454 KiB  
Communication
Spatiotemporal Evolutions of Similariton Pulses in Multimode Fibers with Raman Amplification
by Leila Graini and Bülend Ortaç
Photonics 2021, 8(9), 354; https://doi.org/10.3390/photonics8090354 - 27 Aug 2021
Cited by 1 | Viewed by 1925
Abstract
This paper aims to pave the way towards the demonstration of spatiotemporal similariton pulses’ evolution in passive multimode fibers with Raman amplification. We numerically present this issue in graded-index and step-index multimode fibers and provide a first look at the complex spatiotemporal dynamics [...] Read more.
This paper aims to pave the way towards the demonstration of spatiotemporal similariton pulses’ evolution in passive multimode fibers with Raman amplification. We numerically present this issue in graded-index and step-index multimode fibers and provide a first look at the complex spatiotemporal dynamics of similariton pulses. The results showed that the similariton pulses could be generated in both multimode fibers. The temporal and spectral evolution of the pulses can be characterized as parabolic shapes with linear chirp and kW peak power. By compressing these, high-energy femtoseconds pulses can be obtained, starting initial picosecond pulses. A spatial beam profile could be preserved in both multimode fibers with the most energy coupled to the fundamental mode. Specifically, the similariton pulses’ generation with Raman amplification in a graded-index multimode fiber improves the spatial beam self-cleaning process under the different initial modes’ excitation. The observation of a new beam self-cleaning process is another attractor feature of propagation in graded-index multimode fibers. Full article
(This article belongs to the Special Issue Fiber Lasers)
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