Two-dimensional (2D) materials are crystals with one to a few layers of atoms and are being
used in many fields such as optical modulator, photodetector, optical switch, and ultrafast …

Topological insulator (TI), a promising quantum and semiconductor material, has gapless
surface state and narrow bulk band gap. Firstly, the properties, classifications and …

Femtosecond optical pulses have applications in optical communication, astronomical
frequency combs and laser spectroscopy. Here, a hybrid mode-locked erbium-doped fiber …

Topological insulators are innovative materials with semiconducting bulk together with
surface states forming a Dirac cone, which ensure metallic conduction in the surface plane …

Optical modulation technique plays a crucial role in photonics technologies, and there is an
ever-increasing demand for broadband and ultrafast optical modulation in the era of artificial …

Owing to their extraordinary physical and chemical properties, two-dimensional (2D)
materials have aroused extensive attention and have been widely used in photonic and …

We report on the generation of dissipative solitons in an Er-doped fiber laser mode-locked
by antimony telluride (Sb_2Te_3) topological insulator in the near-zero dispersion regime …

Compared with continuous wave lasers, ultrafast lasers have the advantages of ultra-short
pulse width and ultra-high peak power, and have significant applications in optical …

Abstract Sb 2 Te 3/GeTe bilayer films with different thickness ratios have been deposited on
silicon substrate and fused quartz substrates by radio-frequency magnetron sputtering …

We experimentally demonstrate a passively mode-locked Er: Yb doped double-clad fiber
laser using a graphene nanocoated optical taper. Averaging 20 μm of clad diameter with a …