All-Fiber Saturable Absorber Using Nonlinear Multimode Interference in a Chalcogenide Fiber

Zhang, Kaixuan; Rochette, Martin

doi:10.1109/jlt.2020.3010356

Cited by 12 publications

(7 citation statements)

References 30 publications

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“…It should be noted that the pending on the polarization state and bending pattern bility has the potential to cater to various customizati shrink tubes of different diameters has been jacketed in respectively. These tubes can be easily, flexibly, and fi when both sides of GIMF1/GIMF2 are attached to the op We propose a distributed structure with two GIMFs of unequal length located at different positions in the resonant cavity, which introduces a variable mode field distribution and associated mode coupling ratio through an intermediate SMF that could remove the length constraint by the fusion splicer and is a variant of the offset-spliced SA in refs [30,31]. As illustrated in Figure 2a, the distributed GIMF1-GIMF2 (Fibestar: GI105/125-AC; diameter: 105 µm; numerical aperture: 0.24; and lengths: 0.6, 0.2 m), although located at different positions in the resonant cavity, act as an integral SA device.…”

Section: Experimental Setup and Principlesmentioning

confidence: 99%

“…Subsequently, such an approach has been demonstrated experimentally [15][16][17][18][19][20][21]. Researchers solved the problem of the strict length limitation through several innovative methods such as adding a segment of step-index multimode/no-core fiber ahead of the GIMF [22][23][24][25], introducing an inner micro-cavity in the GIMF [26], stretching the GIMF [27][28][29], offset-splicing the GIMF [30,31], coiling the GIMF [32], etc. Through these methods, more high-order modes in the GIMF can be excited, and the mode field distribution can also be reconstructed, both of which lead to a reshaping of the transmission, thus removing the length limitation of the GIMF.…”

Section: Introductionmentioning

confidence: 99%

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Generation of Different Mode-Locked States in Nonlinear Multimodal Interference-Based Fiber Lasers

Deng,

Yang,

et al. 2024

Photonics

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A novel mode-locking method based on nonlinear multimode interference (NLMI) using a distributed large-core (105 μm) graded-index multimode fiber (GIMF)-based saturable absorber (SA) capable of generating four pulse modes is proposed. The distributed SA geometry consists of two GIMFs located at different positions in the resonant cavity. The coupling and joint operation not only facilitate resistance to pulse fragmentation but also provide a sophisticated and widely tunable transmission with saturable and reverse saturable absorption phenomena. Based on this, dissipative soliton (DS), dissipative soliton resonance (DSR), wedge-shaped, and staircase pulses are achieved without additional filters. The DS has accessible output power, pulse energy, bandwidth, and duration of up to 15.33 mW, 2.02 nJ, 22.63 nm, and ~1.68 ps. The DSR has an achievable pulse duration and energy of ~32.39 ns, 30.3 nJ. The dispersion range that allows DS operation is studied, and the dynamics of the evolution from DS to DSR are observed. The versatility, flexibility, and simplicity of the SA device, combined with the possibility of scaling the pulse energy, make it highly attractive for ultrafast optics and nonlinear dynamics.

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Section: Experimental Setup and Principlesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Generation of Different Mode-Locked States in Nonlinear Multimodal Interference-Based Fiber Lasers

Deng,

Yang,

et al. 2024

Photonics

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“…With the growing availability of optical fiber building blocks compatible with the mid-IR such as optical fibers, fiber tapers, OFCs, optical fiber saturable absorbers [85], and certainly many others to come, it is expected that all-fiber devices and all-fiber light sources will quickly develop. Just recently, the first all-fiber chalcogenide ring laser has been demonstrated [86].…”

Section: Advances In Science and Technology To Meet Challengesmentioning

confidence: 99%

Roadmap on chalcogenide photonics

Gholipour

Müller

et al. 2023

J. Phys. Photonics

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Alloys of sulphur, selenium and tellurium, often referred to as chalcogenide semiconductors offer a highly versatile, compositionally-controllable material platform for a variety of passive and active photonic applications. They are optically nonlinear, photoconductive materials with wide transmission windows that present various high- and low-index dielectric, low-epsilon and plasmonic properties across ultra-violet, visible and infrared frequencies, in addition to an ultra-fast, non-volatile, electrically-/optically-induced switching capability between phase states with markedly different electromagnetic properties. This roadmap collection presents an in-depth account of the critical role that chalcogenide semiconductors play within various traditional and emerging photonic technology platforms. The potential of this field going forward is demonstrated by presenting context and outlook on selected socioeconomically important research streams utilizing chalcogenide semiconductors. To this end, this roadmap encompasses selected topics that range from systematic design of material properties and switching kinetics to device level nanostructuring and integration within various photonic system architectures.

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“…Arslan Anjum and Martin Rochette, Senior Member, IEEE P MMI-SA compatible with mid-infrared fiber laser operation [17].…”

Section: Modelocked Tm-doped Fiber Laser Using Multimode Interference...mentioning

confidence: 99%

“…A precise adjustment of the MMF length is hard to implement due to the short imaging length of the MMF e.g., 1.15 mm for typical graded index MMF [14]. Alternatively, to adjust the coupled power to/from MMF modes, mode adoption [15], bending [16] and offset coupling [17] have been demonstrated.…”

Section: Introductionmentioning

confidence: 99%

Modelocked Tm-doped Fiber Laser Using Multimode Interference Saturable Absorber in Reflection Mode

Rochette¹,

Anjum²

2022

Preprint

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We present a reflection mode saturable absorber based on nonlinear multimode interference in a graded index multimode fiber. The saturable absorber provides a modulation depth of 12% at a low saturation intensity of 18.5 MW/cm<sup>2</sup>. The all-fiber structure and reflection mode design of this saturable absorber makes it an ideal device for the fabrication of fiber lasers with linear resonant cavity. When inserted in a linear laser cavity comprising a thulium doped fiber as the gain medium, the saturable absorber triggers modelocked noise like pulses with a center wavelength of 1905 nm and spectral width of 11.2 nm.

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All-Fiber Saturable Absorber Using Nonlinear Multimode Interference in a Chalcogenide Fiber

Cited by 12 publications

References 30 publications

Generation of Different Mode-Locked States in Nonlinear Multimodal Interference-Based Fiber Lasers

Generation of Different Mode-Locked States in Nonlinear Multimodal Interference-Based Fiber Lasers

Roadmap on chalcogenide photonics

Modelocked Tm-doped Fiber Laser Using Multimode Interference Saturable Absorber in Reflection Mode

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