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Nanomaterials
Special Issues
Low-Dimensional Nanomaterials for Optical and Laser Applications
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Low-Dimensional Nanomaterials for Optical and Laser Applications

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

Deadline for manuscript submissions: 10 June 2026 | Viewed by 1507

Special Issue Editors

Dr. Xi Wang

E-Mail Website
Guest Editor
School of Future Technology, Henan University, Zhengzhou 450046, China
Interests: nanomaterials; saturable absorber; mid-infrared pulsed lasers; ultrafast photonic devices
Dr. Huiran Yang

E-Mail Website
Guest Editor
School of Science, Xi’an University of Posts and Telecommunications, Xi’an 710121, China
Interests: nanomaterials; fiber laser; laser pulse; fiber nonlinearity

Special Issue Information

Dear Colleagues,

Low-dimensional nanomaterials stand as the cornerstones of next-generation laser devices, owing to their exceptional broadband nonlinear optical responses, ultrafast carrier dynamics, and precisely tailorable band structures. These materials have found extensive integration into diverse applications, including saturable absorbers, laser gain media, photodetectors, and optical modulators, thereby driving innovation throughout the field.

We cordially invite the submission of high-quality original research papers and comprehensive review articles that highlight the latest advancements and breakthroughs in the utilization of low-dimensional nanomaterials for laser devices. In particular, we encourage contributions that span a broad spectrum of topics, such as the development of novel synthesis strategies to enhance the performance of low-dimensional materials in laser applications, the exploration of new physical mechanisms underlying their optical and laser functionalities, and the innovative laser devices leveraging these nanomaterials.

This Special Issue aims to foster interdisciplinary collaboration by bringing together experts from materials science, physics, and engineering. By facilitating the exchange of ideas and insights, we seek to collectively address the challenges and develop transformative solutions for advancing low-dimensional nanomaterials in laser technology.

In this Special Issue, original research articles and reviews are welcome. Research areas may include (but are not limited to) the following:

  • Nonlinear Optical Properties of Low-Dimensional Materials;
  • Nonlinear Optical Physics of Low-Dimensional Systems;
  • Ultrafast Photonic Devices;
  • Mid-infrared Saturable Absorbers.

We look forward to receiving your contributions.

Dr. Xi Wang
Dr. Huiran Yang
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

  • low-dimensional nanomaterials
  • two-dimensional(2D) nanomaterials
  • one-dimensional nanowires (1D NWs)
  • zero-dimensional quantum dots (0D QDs)
  • ultrafast photonics
  • saturable absorbers
  • heterostructures
  • nonlinear optical properties

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (2 papers)

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14 pages, 8195 KB  
Article
Carbon-Nanotube-Enabled Low-Threshold Laser Lift-Off for Ultra-Thin Polyimide Films
by Junwei Fu, Yachong Xu, Run Bai, Zhenzhen Sun, Yili Zhang, Rui Yang, Zijuan Han, Fanfan Wang and Boyuan Cai
Nanomaterials 2026, 16(9), 527; https://doi.org/10.3390/nano16090527 - 27 Apr 2026
Viewed by 581
Abstract
Laser lift-off (LLO) is a critical process for separating ultra-thin polyimide (PI) films in flexible electronics manufacturing, yet traditional methods often induce thermal and mechanical damage due to high laser energy processing. To address this, we propose a low-threshold LLO method by integrating [...] Read more.
Laser lift-off (LLO) is a critical process for separating ultra-thin polyimide (PI) films in flexible electronics manufacturing, yet traditional methods often induce thermal and mechanical damage due to high laser energy processing. To address this, we propose a low-threshold LLO method by integrating carbon nanotubes (CNTs) at the interface between a 500 nm PI film and a glass substrate. The interfacial thermal dynamics and separation quality were evaluated through finite element simulations and experimental validations using a 355 nm ultraviolet nanosecond laser. Results demonstrate that CNTs significantly enhance interfacial ultraviolet absorption and promote lateral heat diffusion due to their high axial thermal conductivity. This mechanism broadens the thermal decomposition zone and suppresses vertical heat transfer, thereby reducing the required LLO threshold from 180 mJ/cm2 to 120 mJ/cm2. Furthermore, the integration of CNTs reduces interfacial adhesion and alters the separation dynamics, resulting in the formation of smoother blisters with increased diameters and reduced heights compared to conventional LLO. These effects effectively minimize thermal and mechanical damage to the ultra-thin PI film and its integrated devices. This CNT-assisted LLO approach provides an efficient, low-damage solution for ultra-thin film separation, showing strong potential for advancing high-performance flexible electronics. Full article
(This article belongs to the Special Issue Low-Dimensional Nanomaterials for Optical and Laser Applications)
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9 pages, 1670 KB  
Article
Low-Threshold and Long-Term Stable Soliton Fiber Laser Using PbSe/PbS Quantum Dot-Polystyrene Composite Saturable Absorber
by Bin Yang, Jingping Shao, Chunxiao Liu, Ling Yun and Zuxing Zhang
Nanomaterials 2026, 16(5), 306; https://doi.org/10.3390/nano16050306 - 27 Feb 2026
Viewed by 508
Abstract
Colloidal PbSe quantum dots are promising candidates as saturable absorbers for ultrafast fiber lasers, but their performance is often limited by surface-related defects and chemical instability, leading to aggregation under optical pumping. In this study, we present a freestanding PbSe/PbS quantum dot-polystyrene composite [...] Read more.
Colloidal PbSe quantum dots are promising candidates as saturable absorbers for ultrafast fiber lasers, but their performance is often limited by surface-related defects and chemical instability, leading to aggregation under optical pumping. In this study, we present a freestanding PbSe/PbS quantum dot-polystyrene composite saturable absorber film, with PbS overcoating on PbSe to enhance surface passivation and oxidation resistance. The composite exhibits a saturation intensity of 5.76 kW·cm−2, a modulation depth of 33%, and an optical damage threshold of 13.6 mJ·cm−2. When integrated into a bidirectionally pumped erbium-doped fiber laser in the anomalous-dispersion regime, the device demonstrates self-starting soliton mode locking at an ultralow pump threshold of 6 mW, generating 1.06 ps pulses with a radio-frequency signal-to-noise ratio of approximately 65 dB. The spectra remain stable over an 8-month period, showing excellent environmental and operational durability. These findings confirm that PbSe/PbS quantum dots in a polymer matrix offer a robust, low-threshold saturable absorber platform for ultrafast fiber lasers. Full article
(This article belongs to the Special Issue Low-Dimensional Nanomaterials for Optical and Laser Applications)
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