Solitons are stable localized wave packets that can propagate long distance in dispersive
media without changing their shapes. As particle-like nonlinear localized waves, solitons …

Nanomaterials with remarkable optical, mechanical, and electrical properties have shed
new light on various fields including optoelectronics, sensors, biomedicine, and ultrafast …

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 …

Dual-comb spectroscopy performed in the mid-infrared—where molecules have their
strongest rotovibrational absorption lines—offers the promise of high spectral resolution …

Laser frequency combs are coherent light sources that emit a broad spectrum of discrete,
evenly spaced narrow lines whose absolute frequency can be measured to within the …

Fiber lasers have seen progressive developments in terms of spectral coverage and
linewidth, output power, pulse energy, and ultrashort pulse width since the first …

The diverse output pulsewidths, linewidths and polarization states of fibre lasers provide
both high efficiency and high output power in a small, low-maintenance format that is ideal …

Carbon nanotubes (CNTs) have been extensively studied as one of the most interesting
nanomaterials for over 25 years because they exhibit excellent mechanical, electrical …

Under strong laser radiation, a Dirac material, the topological insulator (TI) Bi 2 Te 3, exhibits
an optical transmittance increase as a result of saturable absorption. Based on an open …

In this paper, tin disulfide (SnS_2), a two-dimensional (2D) n-type direct bandgap layered
metal dichalcogenide with a gap value of 2.24 eV, was employed as a saturable absorber …