Silver Nanowires with Ultrabroadband Plasmon Response for Ultrashort Pulse Fiber Lasers

Lv, Changjian; Luo, Hongyu; Cui, Linghao; Zhang, Tianqi; Jia, Zhixu; Li, Jianfeng; Qin, Weiping; Qin, Guanshi

doi:10.1002/adpr.202100184

Cited by 11 publications

(20 citation statements)

References 74 publications

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“…Wet methods such as solvothermal reduction method and polyol strategy are also reported in synthesizing MNP SAs. [117,118] Especially, laser-based synthesis methods such as pulsed laser ablation in liquid phase are also reported to obtain pure MNPs. This method focuses pulsed lasers on target materials to exfoliate MNPs.…”

Section: Seed-mediated Growthmentioning

confidence: 99%

“…Their work fully demonstrated the broadband absorption properties of silver nanomaterials as SAs. [118] To sum up, Ag-based SAs, such as SNPs, SNPTs, and SNWs, have been successfully applied in lasers at a range of wavelengths, which have achieved stable output with high repetition rates. Notably, the application of Ag in mid-infrared region has been confirmed.…”

Section: Silver-based Sas At 2 and 3 μMmentioning

confidence: 99%

“…[74] Thus, the emerging 1D metal nanomaterials such as GNWs and SNWs with broadband optical responses and ultrafast properties are excellent candidates for ultrafast photonics in the mid-infrared region. [118,153] GNWs, for instance, have been reported to have longitudinal SPR that results in broadband absorption property extending to the 10 µm. [153] Moreover, the aggregation of MNPs can make the absorption bands redshifted and broadened.…”

Section: Challenges and Perspectivesmentioning

confidence: 99%

“…[ 72 ] Up to the present, reports on ultrafast lasers operated at 3.5 µm and above are few while mid‐infrared lasers have important applications such as sensing and spectroscopy. [ 203,204 ] Given that 3 µm operation have been achieved with GNP, [ 88 ] GNW, [ 153 ] and SNW [ 118 ] SAs, it is promising for metal nanomaterials to realize mid‐infrared operation with appropriately designed morphology‐dependent nonlinear response. In addition to the commonly used materials such as gold, silver, and copper, some emerging metal‐based materials as SAs also exhibit excellent nonlinear optical properties, which deserve further attention and exploration. First, novel metal nanomaterials such as 2D germanene, an allotrope of germanium as well as a kind of Dirac materials, have shown fast carrier relaxation time and large nonlinear absorption which can be considered as an excellent SA.…”

Section: Challenges and Perspectivesmentioning

confidence: 99%

mentioning

confidence: 99%

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Recent Advances and Challenges in Ultrafast Photonics Enabled by Metal Nanomaterials

Wang

Liu

Chao

et al. 2022

Advanced Optical Materials

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absorbers (SAs) are widely used to obtain ultrafast lasers. Mode-locking indicates a fixed phase between longitudinal modes in spectral domain, while Q-switching refers to the giant pulse formation due to the tunable Q factor of the laser cavity. Saturable absorption represents the optical modulation that absorption coefficient of SAs decreases with the increase of incident optical intensity, where SAs are often categorized into artificial and real SAs. [7][8][9] Artificial SAs mainly consist of nonlinear polarization evolution, [10,11] nonlinear optical loop mirrors, [12][13][14] and nonlinear amplification loop mirrors, [15,16] which fulfill the function of saturable absorption by means of nonlinear effects. By contrast, real SAs are characterized by the inherent nonlinear absorption property of the materials. Semiconductor saturable absorber mirror is a typical real SA and widely used in diverse lasers. However, several drawbacks such as complex fabrication and narrow operating bandwidth restrict its applications. [17][18][19][20][21] Under such circumstances, nanomaterials emerge as SAs of distinction where 2D nanomaterials have been widely investigated because of the unique optical properties induced by the energy band structures. [22][23][24][25][26][27][28] Graphene possesses zero bandgap and ultrafast carrier dynamics properties, contributing to a broad operating bandwidth and fast response time. [29][30][31][32][33][34][35][36] Nevertheless, the modulation depth of ≈2.3% per layer limits Nanomaterials with outstanding optical properties are widely used in ultrafast photonics. Especially, metal nanomaterials have attracted increasing attention in recent years owing to the surface plasmon resonance that further enhances their nonlinear optical response, making them suitable for generating ultrafast pulses in a wide range of wavebands. Herein, the fabrication and integration processes of typical metal nanomaterials such as gold, silver, and copper, as well as their applications in ultrafast lasers are reviewed. The synthesis methods of metal nanomaterials, which can be divided into dry and wet methods, are first introduced with their characteristics and advantages summarized. Moreover, the integration approaches that are used to incorporate metal nanomaterials into laser cavities are discussed, where sandwich structure based on polymer film and deposition method, as well as evanescent-wave structure based on D-shaped and tapered fiber are demonstrated. Besides, the state of the art of typical ultrafast lasers enabled by metal nanoparticles is systematically reviewed. Finally, current challenges and perspectives on the development of ultrafast photonics enabled by metal nanomaterials are proposed.

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Section: Seed-mediated Growthmentioning

confidence: 99%

Section: Silver-based Sas At 2 and 3 μMmentioning

confidence: 99%

Section: Challenges and Perspectivesmentioning

confidence: 99%

Section: Challenges and Perspectivesmentioning

confidence: 99%

mentioning

confidence: 99%

See 3 more Smart Citations

Recent Advances and Challenges in Ultrafast Photonics Enabled by Metal Nanomaterials

Wang

Liu

Chao

et al. 2022

Advanced Optical Materials

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Lab‐on‐Fiber Based on Optimized Gallium Selenide for Femtosecond Mode‐Locked Lasers and Fiber‐Compatible Photodetectors

Liu

Zhang

et al. 2023

Advanced Photonics Research

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Although the physicochemical properties of gallium selenide (GaSe) have been widely investigated, the property and application exploration of GaSe‐coupled fiber devices are still in its infancy. There are obvious challenges, namely, selecting from multiple GaSe phases and effectively coupling to the unique fiber structure. Herein, lab‐on‐fiber (LOF) based on optimized GaSe is proposed to be used for robust femtosecond pulse generation and fiber‐compatible photodetection. First, based on density functional theory (DFT) calculations, ε‐GaSe is selected as a preferable model material for its suitable band structures, low work function, and high damage threshold. Benefiting from the fiber‐compatible ε‐GaSe combined with micro–nano processing, stable femtosecond soliton pulse (≈303 fs, 16.67 MHz, 51.64 dB) output and multiwavelength (520, 808, and 1550 nm) detection are realized in LOF. These results pave the way for optics research of polyphase semiconductors and design of integrated all‐fiber devices.

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Promoting 2D Material Photodetectors by Optical Antennas beyond Noble Metals

et al. 2023

Advanced Sensor Research

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The distinctive layered crystal structures and diverse properties of 2D layered materials (2DLMs) have established them as prospective building blocks for implementing next‐generation optoelectronics. One critical predicament in terms of light sensing is the weak absorption caused by the atomic‐scale thickness, as well as the limited effective wavelength range/low spectral selectivity constrained by the intrinsic band structures. Despite the fact that numerous noble metal antennas are harnessed for enhancing the light–matter coupling, they suffer from exorbitant cost and narrow resonant optical windows. To this end, a number of non‐noble plasmonic optical antennas have been developed to improve the light‐sensing properties of 2DLM photodetectors, and tremendous advances have been accomplished. Herein, a comprehensive overview of this subject is provided based on four aspects; namely, non‐noble metal antenna promoted 2DLM photodetectors, heteroatom doped semiconductor antenna promoted 2DLM photodetectors, non‐stoichiometric semiconductor antenna promoted 2DLM photodetectors, and MXene antenna promoted 2DLM photodetectors. The focus is on the device structures, preparation, and underlying mechanisms. In the end, the challenges are highlighted, and potential strategies addressing them are proposed, which aim to navigate the upcoming exploration in the related domains and fully exert the pivotal role of non‐noble plasmonic optical antennas toward advancing 2DLM photodetectors.

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Silver Nanowires with Ultrabroadband Plasmon Response for Ultrashort Pulse Fiber Lasers

Cited by 11 publications

References 74 publications

Recent Advances and Challenges in Ultrafast Photonics Enabled by Metal Nanomaterials

Recent Advances and Challenges in Ultrafast Photonics Enabled by Metal Nanomaterials

Lab‐on‐Fiber Based on Optimized Gallium Selenide for Femtosecond Mode‐Locked Lasers and Fiber‐Compatible Photodetectors

Promoting 2D Material Photodetectors by Optical Antennas beyond Noble Metals

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