Especially for displays, visible-wavelength lasers are in high demand for a wide range of
applications. Active research and development have been devoted to laser-based displays …

Artificial saturable absorbers (SA) are nonlinear optical devices widely employed in mode‐
locked lasers. Among the artificial SAs are nonlinear polarization evolution (NPE) and …

Femtosecond fiber lasers have revolutionized the industry of laser technology by providing
ultrashort pulses of high brightness through compact, affordable, and reliable setups. In this …

Real‐time investigation in mode‐locked fiber lasers (MLFLs) is important to understand the
ultrafast dynamics before, during, and after the formation of stable laser pulses. However …

Although visible femtosecond lasers based on nonlinear frequency conversion of Ti:
sapphire femtosecond oscillators or near-infrared ultrafast lasers have been well developed …

As deep-red semiconductor lasers are still in development, high-power deep-red lasers
have traditionally relied on excimer or dye lasers, or nonlinear frequency conversion of near …

We report on the experimental realization of, to the best of our knowledge, the first green and
orange passively mode-locked all-fiber lasers. Stable mode-locking in the burst-pulse status …

Visible vortex beams have a large array of applications; however, the sources are often
large or complex. Here, we present a compact vortex source with red, orange, and dual …

Ultrafast yellow lasers are in high demand in recent biomedical and medical applications;
however, direct emission of mode-locked pulses in yellow at the high-power level still …

The controllable manipulation of degrees of freedom in structured light fields, has attracted
substantial attention in recent years. Various derived applications, notably in imaging and …