Low‐dimensional (LD) materials demonstrate intriguing optical properties, which lead to
applications in diverse fields, such as photonics, biomedicine and energy. Due to …

Ultrafast laser sources operating in the mid-infrared (mid-IR) region, which contains the
characteristic fingerprint spectra of many important molecules and transparent windows of …

The mid-infrared fiber lasers in the 2–3.5 μm spectral regions have been extensively applied
in many application fields, such as biomedicine, telecommunications, military and nonlinear …

Abstract Mid‐infrared (mid‐IR) ultrafast lasers are widely employed in biomedicine,
molecular spectroscopy, material processing, and nonlinear optics. With the improvement of …

Metallic 2D materials can be promising saturable absorbers for ultrashort pulsed laser
production in the long wavelength regime. However, preparing and manipulating their 2D …

An all-fiberized, mode-locked fiber laser that operates in the 1912 nm region with a
saturable absorber (SA) that is based on a composite consisting of bulk-like, molybdenum …

We demonstrate the potential of nanosized titanium dioxide (TiO 2) in forming ultrashort
pulses using a ring cavity thulium-doped fiber laser. A TiO 2 polymer composite was …

In this study, the topological insulator (TI) antimony telluride (Sb 2 Te 3) was used as a
saturable absorber (SA) to obtain stable mode-locked pulses in a thulium holmium-doped …

Abstract 2D van der Waals materials are crystals composed of atomic layers, which have
atomic thickness scale layers and rich distinct properties, including ultrafast optical …

We performed density functional theory calculations for the topological insulators (TIs) of Bi 2
Se 3 and CoSb 3 (skutterudite) in a comparison with Bi 2 Te 3 and In 2 Co 4 Sb 12 (filled …