The Latest Frontiers in Fiber Laser Innovations

A special issue of Photonics (ISSN 2304-6732). This special issue belongs to the section "Lasers, Light Sources and Sensors".

Deadline for manuscript submissions: closed (30 April 2025) | Viewed by 566

Special Issue Editors


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Guest Editor
Department of Electrical and Photonics Engineering, Technical University of Denmark, DK-2800 Kgs. Lyngby, Denmark
Interests: mid-infrared; fiber laser; mode-locking; Q-switching; supercontinuum generation

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Guest Editor
Associate Researcher, Laboratory of Infrared Material and Devices, Advanced Technology Research Institute, Ningbo University, Ningbo 315211, China
Interests: femtosecond laser; mid-infrared laser; optical waveguide; soft glass fiber; infrared supercontinuum generation

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Guest Editor
National Key Laboratory of High Power Semiconductor Lasers, Changchun University of Science and Technology, Changchun, China
Interests: fiber laser; beam quality; high power; output power; pulse width; pump power; self-phase modulation; absorption cross-section; absorption emission; amplified spontaneous emission; beam polarization

Special Issue Information

Dear Colleagues,

Fiber lasers, a cutting-edge technology, utilize optical fibers as the gain medium for laser amplification. Their unique design offers numerous advantages, including high power efficiency, compact size, and exceptional beam quality, and the boundaries of fiber laser technology in innovation are constantly being pushed. From enhancements in efficiency and reliability to novel applications in fields such as materials processing, sensing and beyond, the latest developments in fiber laser advancements should be explored. Discover the transformative potential of these emerging topics, poised to redefine the boundaries of what is possible with laser technology.

This Special Issue on “The Latest Frontiers in Fiber Laser Innovations” will welcome contributions that focus on fundamental physics, novel methodologies, and breakthrough research as regular and review papers. Research areas may include (but are not limited to) the following:

  • Fiber lasers;
  • Noval optical design in fiber lasers;
  • Special optical fiber/optical waveguide;
  • Nonlinear fiber optics;
  • Fiber amplifiers;
  • Applications based on fiber lasers.

Dr. Yiwen Shi
Dr. Peilong Yang
Dr. Liang Jin
Guest Editors

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Keywords

  • fiber lasers
  • noval optical design in fiber lasers
  • special optical fiber/optical waveguide
  • nonlinear fiber optics
  • fiber amplifiers
  • applications based on fiber lasers

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Published Papers (1 paper)

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Research

11 pages, 3389 KiB  
Article
Applications of Prepared MnMoO4 Nanoparticles as Saturable Absorbers for Q-Switched Erbium-Doped Fiber Lasers: Experimental and Theoretical Analysis
by Tahani A. Alrebdi, Shahid Sadiq, Si-Cong Tian, Mamoon Asghar, Izhar Saghir and Haroon Asghar
Photonics 2025, 12(5), 474; https://doi.org/10.3390/photonics12050474 - 12 May 2025
Cited by 1 | Viewed by 351
Abstract
This study presents the synthesis of manganese molybdenum tetraoxide (MnMoO4)-based nanoparticles and then their experimental demonstration as saturable absorbers (SAs) in erbium-doped fiber lasers (EDFLs). The MnMoO4 nanoparticles were prepared and then embedded between the fiber ferrule to act as [...] Read more.
This study presents the synthesis of manganese molybdenum tetraoxide (MnMoO4)-based nanoparticles and then their experimental demonstration as saturable absorbers (SAs) in erbium-doped fiber lasers (EDFLs). The MnMoO4 nanoparticles were prepared and then embedded between the fiber ferrule to act as an SA to generate Q-switched pulsed operation in EDFLs. For the characterization, scanning electron microscopy (SEM) was employed to confirm the particle size of the prepared MnMoO4 nanoparticles, and the SA optical properties were further investigated by measuring their modulation depth and saturation intensity. By implementing the prepared SA within the cavity, the measured results revealed that under pump power ranging from 28 to 312.5 mW, the laser exhibited Q-switched pulse durations varying from 15.22 to 2.35 µs and repetition rates spanning from 24.98 to 88.11 kHz. The proposed EDFL system delivered an average output power between 0.128 and 2.95 mW, pulse energies ranging from 5.12 to 33.49 nJ, and peak power from 0.281 to 6.26 mW. The laser stability was also confirmed by continuously noticing the pulse duration, emission wavelengths, and pulse repetition rates for 4 h. Finally, a numerical model based on a nonlinear Schrödinger equation (NLSE) was employed to validate both experimental and theoretical results of the passive Q-switched EDFL. These findings highlight the potential of EDFLs utilizing MnMoO4-based SAs for potential applications in pulsed laser sources. Full article
(This article belongs to the Special Issue The Latest Frontiers in Fiber Laser Innovations)
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