Bimetallic solid solution MAX phase Ti2NbAlC2 as saturable absorber for passively Q-switched Er3+-doped fiber laser

Zhao, Bin; Zhang, Hong-Ping; Ma, Rong-Ze; Farrell, Gerald; Li, Zhen-Rui; Wang, Peng-Fei

doi:10.1088/1612-202x/ad174c

Cited by 2 publications

(1 citation statement)

References 50 publications

(48 reference statements)

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“…Owing to their easy integration, high output optical power density, and flexible pulse modulation [1,2], ultrafast fiber lasers based on the mode-locked methods have shown * Authors to whom any correspondence should be addressed.…”

Section: Introductionmentioning

confidence: 99%

Saturable absorption properties of mixed lead-tin halide perovskites and their application in near-infrared ultrafast lasers

Lan,

Yang,

Wei

et al. 2024

J. Phys. D: Appl. Phys.

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Mixed lead-tin halide perovskites, as highly sensitive materials in the near-infrared region, hold significant potential for optoelectronic device applications. Here, mixed lead-tin halide perovskite saturable absorbers (SAs) have been developed by coupling with the side-polished surfaces of the single-mode fibers and excellent saturable absorption effects of the mixed lead-tin halide perovskite SAs have been demonstrated in the near-infrared region. By constructing the in-gap site assisted carrier transfer mode, the saturation absorption process of the mixed lead-tin halide perovskite SAs can be well explained, in which defects as in-gap sites can help the photon-generated carriers transfer into the conduction band and promote the Pauli-blocking-induced absorption bleaching in the SA. Moreover, ytterbium-doped fiber lasers based on perovskite SAs have been fabricated, and mode-locked operations at 1040 nm are achieved using the mixed lead-tin halide perovskite SA, generating ultra-short pulses with a pulse width of 683 fs, 3dB bandwidth of 4.88 nm, signal-to-noise ratio exceeding 49.74 dB, and a repetition rate of 3.74 MHz. Our findings demonstrate that the mixed lead-tin halide perovskite SAs have excellent optical modulation capability and promising applications in the field of ultrafast photonics.

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Section: Introductionmentioning

confidence: 99%

Saturable absorption properties of mixed lead-tin halide perovskites and their application in near-infrared ultrafast lasers

Lan,

Yang,

Wei

et al. 2024

J. Phys. D: Appl. Phys.

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Graphene Oxide and Reduced Graphene Oxide Saturable Absorbers: Advancements in Erbium-Doped Fiber Lasers for Mode-Locking and Q-Switching

Alrebdi,

Fatima,

Alshehri

et al. 2024

Photonics

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Graphene oxide (GO) and reduced graphene oxide (rGO) have emerged as robust materials in the development of SAs for erbium-doped fiber lasers (EDFLs). Their exceptional optical properties, such as broadband absorption and fast recovery times, make them ideal candidates for achieving ultrashort pulse operation in EDFLs. With its higher oxygen content, GO offers greater nonlinearity and a tunable absorption spectrum, while rGO, yielded through chemical reduction, exhibits enhanced electrical conductivity and higher saturable absorption. These properties facilitate the generation of ultrashort pulses in EDFLs, which are highly desired for various medical imaging, telecommunications, and material processing applications. This review paper comprehensively analyzes the advancements in GO and rGO SAs in the context of EDFLs for mode-locking and Q-switching applications. The performance of EDFLs utilizing GO and rGO SAs is critically evaluated, focusing on key parameters, such as modulation depth, pulse duration, repetition rate, average power, pulse energy, peak power, and signal-to-noise ratio. Additionally, this review delves into the various synthesis methods of GO and rGO thin film, highlighting their impact on the optical properties and performance of SAs. The discussion on techniques to integrate the SAs into laser cavities includes direct deposition of nanoparticles/thin-film-based SAs, tapered-fiber-based SAs, and D-shaped SAs. Furthermore, the paper explores the challenges encountered during the fabrication of ideal GO and rGO SAs, with issues related to uniformity, stability, and tunability, along with proposed solutions to address these challenges. The insights provided offer valuable guidance for future research aimed at enhancing the performance of EDFLs using GO/rGO SAs.

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Bimetallic solid solution MAX phase Ti₂NbAlC₂ as saturable absorber for passively Q-switched Er³⁺-doped fiber laser

Cited by 2 publications

References 50 publications

Saturable absorption properties of mixed lead-tin halide perovskites and their application in near-infrared ultrafast lasers

Saturable absorption properties of mixed lead-tin halide perovskites and their application in near-infrared ultrafast lasers

Graphene Oxide and Reduced Graphene Oxide Saturable Absorbers: Advancements in Erbium-Doped Fiber Lasers for Mode-Locking and Q-Switching

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