Black Phosphorus Saturable Absorber for Pulse Generation Using Q-switched Teachnique

Hamida, Belal Ahmed; Hussein, Laiq; Khan, Sheroz; Habaebi, Mohamed Hadi; Zainuddin, Ahmad Anwar; Eltaif, Tawfig; Harun, Sulaiman Wadi

doi:10.11591/ijeecs.v11.i1.pp36-40

IJEECS

2018

DOI: 10.11591/ijeecs.v11.i1.pp36-40

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Black Phosphorus Saturable Absorber for Pulse Generation Using Q-switched Teachnique

Belal Ahmed Hamida¹,

Laiq Hussein²,

Sheroz Khan³

et al.

Abstract: This paper reported a passive Q-switched erbium doped fiber laser (EDFL) using two-dimensional (2D) material of black phosphorus saturable absorber (BP-SA). The maximum output power reached is 3.54 mW, which is generated by pump power of 42.327 mW. The results show that a stable pulse was generated with repetition rate starts at about 9.606 kHz and ends at about 44.72 kHz and very narrow pulse width between 40.01 µs and 9.84 µs and pulse energy 80 nJ. Clearly, the stability of the Q-switched pulse train was ac… Show more

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Ultrafast photonics applications of emerging 2D-Xenes beyond graphene

et al. 2022

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Driven by new two-dimensional materials, great changes and progress have taken place in the field of ultrafast photonics in recent years. Among them, the emerging single element two-dimensional materials (Xenes) have also received much attention due to their special physical and photoelectric properties including tunable broadband nonlinear saturable absorption, ultrafast carrier recovery rate, and ultrashort recovery time. In this review, the preparation methods of Xenes and various integration strategies are detailedly introduced at first. Then, we summarize the outcomes achieved by Xenes-based (beyond graphene) fiber lasers and make classifications based on the characteristics of output pulses according to the materials characterization and nonlinear optical absorption properties. Finally, an outlook of the future opportunities and challenges of ultrafast photonics devices based on Xenes and other 2D materials are highlighted, and we hope this review will promote their extensive applications in ultrafast photonics technology.

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Ultrafast photonics applications of emerging 2D-Xenes beyond graphene

et al. 2022

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Ultrafast optical properties and applications of anisotropic 2D materials

Suk,

Seo,

Cho

et al. 2024

Nanophotonics

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Two-dimensional (2D) layered materials exhibit strong light-matter interactions, remarkable excitonic effects, and ultrafast optical response, making them promising for high-speed on-chip nanophotonics. Recently, significant attention has been directed towards anisotropic 2D materials (A2DMs) with low in-plane crystal symmetry. These materials present unique optical properties dependent on polarization and direction, offering additional degrees of freedom absent in conventional isotropic 2D materials. In this review, we discuss recent progress in understanding the fundamental aspects and ultrafast nanophotonic applications of A2DMs. We cover structural characteristics and anisotropic linear/nonlinear optical properties of A2DMs, including well-studied black phosphorus and rhenium dichalcogenides, as well as emerging quasi-one-dimensional materials. Then, we discuss fundamental ultrafast anisotropic phenomena occurring in A2DMs, such as polarization-dependent ultrafast dynamics of charge carriers and excitons, their direction-dependent spatiotemporal diffusion, photo-induced symmetry switching, and anisotropic coherent acoustic phonons. Furthermore, we review state-of-the-art ultrafast nanophotonic applications based on A2DMs, including polarization-driven active all-optical modulations and ultrafast pulse generations. This review concludes by offering perspectives on the challenges and future prospects of A2DMs in ultrafast nanophotonics.

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Black Phosphorus Saturable Absorber for Pulse Generation Using Q-switched Teachnique

Cited by 2 publications

References 8 publications

Ultrafast photonics applications of emerging 2D-Xenes beyond graphene

Ultrafast photonics applications of emerging 2D-Xenes beyond graphene

Ultrafast optical properties and applications of anisotropic 2D materials

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