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Nanomaterials
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Advanced Fiber Laser (Third Edition)
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Advanced Fiber Laser (Third Edition)

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Nanophotonics Materials and Devices".

Deadline for manuscript submissions: 10 November 2026 | Viewed by 1763

Special Issue Editors

Dr. Jun Li

E-Mail Website
Guest Editor
College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha 410073, China
Interests: optical field manipulation; laser property measurement; AI for fiber lasers
Special Issues, Collections and Topics in MDPI journals
Dr. Can Li

E-Mail
Guest Editor
College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha, China
Interests: fiber laser; ultrafast laser; single-frequency laser

Special Issue Information

Dear Colleagues,

The field of fiber lasers has witnessed remarkable breakthroughs driven by interdisciplinary advancements spanning semiconductor technology, laser material science, optical engineering, and artificial intelligence. These innovations have in the meantime promoted widespread applications in, for example, advanced manufacturing, sensing and measuring, biomedical, and research frontiers. A pivotal enabler of this progress has been the synergistic development of material synthesis, microstructure engineering, and photonic device fabrication, which collectively propelled the performance boundaries of fiber lasers. This Special Issue invites contributions that address cutting-edge research in advanced fiber laser systems and potential topics include, but are not limited to, the following:

  • Fiber laser and amplifier;
  • Functional fiber with nano/micro structure;
  • Laser fiber and components;
  • Nonlinear fiber optics;
  • Fiber laser enabled by nanomaterials;
  • Laser field manipulation;
  • Advanced applications of fiber laser;
  • AI for fiber lasers.

Dr. Jun Li
Dr. Can Li
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 250 words) can be sent to the Editorial Office for assessment.

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. Nanomaterials 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 laser and amplifier
  • optical fiber
  • fiber component and device
  • nonlinear fiber optics
  • laser field manipulation
  • AI for fiber laser

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Published Papers (2 papers)

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Research

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12 pages, 2315 KB  
Article
Nonlinearity- and Dispersion-Controlled High-Energy All-Fiber Femtosecond Laser System with Peak Power Exceeding 0.5 GW
by Feng Li, Qianglong Li, Jixin Xing, Xue Cao, Wenlong Wen, Lei Wang, Yufeng Wei, Hualong Zhao, Yishan Wang, Yuxi Fu and Wei Zhao
Nanomaterials 2026, 16(1), 32; https://doi.org/10.3390/nano16010032 - 25 Dec 2025
Viewed by 768
Abstract
A monolithic all-fiber high-energy chirped pulse amplification (CPA) system with a managed large dispersion is demonstrated. Considering the nonlinearity in the amplification system, two temperature-tuning cascaded chirped fiber Bragg gratings (CFBGs) with a large dispersion of 200 ps/nm are employed as stretchers to [...] Read more.
A monolithic all-fiber high-energy chirped pulse amplification (CPA) system with a managed large dispersion is demonstrated. Considering the nonlinearity in the amplification system, two temperature-tuning cascaded chirped fiber Bragg gratings (CFBGs) with a large dispersion of 200 ps/nm are employed as stretchers to stretch the pulse duration to more than 2 ns in the time domain. The main amplifier, with centimeter-level length, a large mode area, and high-gain silicate glass fiber, increases the energy to 293 μJ at 100 kHz. A reflective grating pair with a high density of 1740 lines/mm is used to compress the large-dispersion chirped pulse into a compact structure. Owing to the high-order dispersion pre-compensation by the CFBGs and the large-sized grating with high diffraction efficiency, we achieved a compressed pulse duration of 466 fs with a maximum pulse energy of 250 μJ, corresponding to a compression efficiency of more than 85% and a well-preserved beam quality of M2 < 1.3. To the best of our knowledge, this is the highest pulse energy ever reported in a monolithic fiber femtosecond amplifier. Full article
(This article belongs to the Special Issue Advanced Fiber Laser (Third Edition))
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Review

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25 pages, 5911 KB  
Review
On-Chip Strained Germanium Lasers: A Review
by Ronghuan Liu, Weiqi Song and Zi-Wei Zheng
Nanomaterials 2026, 16(6), 356; https://doi.org/10.3390/nano16060356 - 14 Mar 2026
Viewed by 724
Abstract
The 100 GHz-class ultrafast photonic integrated circuit (PIC) positions itself as a promising technology in the post-Moore era, when the bandwidth limit of metallic interconnections constrains current electronic integrated circuits. Nevertheless, the lack of an effective on-chip, CMOS-compatible laser source challenges the ongoing [...] Read more.
The 100 GHz-class ultrafast photonic integrated circuit (PIC) positions itself as a promising technology in the post-Moore era, when the bandwidth limit of metallic interconnections constrains current electronic integrated circuits. Nevertheless, the lack of an effective on-chip, CMOS-compatible laser source challenges the ongoing development of PIC. Germanium straintronics facilitate bandgap transformation from indirect to direct, thereby enabling effective band-to-band radiative recombination. Some parameters, such as nanowire diameters or crystalline orientation and strain direction, have a profound effect on the bandgap transformation of Ge nanowires. In this review, we will discuss changes in the fundamental physical properties of Ge nanowires under strain, including mechanical, electronic, optical, and thermal properties. Subsequently, we summarize common methods for strain engineering, as well as novel approaches that have emerged in recent years. Some notable application cases reported in the last few decades will be discussed in detail. This review may fill knowledge gaps and provide a solid background for forthcoming investigations of on-chip strained Ge lasers. Full article
(This article belongs to the Special Issue Advanced Fiber Laser (Third Edition))
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