We are investigating diode pumped alkali lasers (DPAL) as a potential high-energy laser source. A 10-W class cesium DPAL has been developed. Since DPAL involves problems such as chemical reactions and ...

We propose a vanadate crystal-based composite gain medium consisting of Tm3+ and Ho3+ ion-doped sections, which facilitates the direct use of common 800 nm diode lasers for a miniature 2.1 μm laser ...

We report on a diode-pumped passively mode-locked picosecond Tm:CaGdAlO 4 (Tm:CALGO) laser using a semiconductor saturable absorber mirror as the mode locker. With Tm:CALGO disordered crystal as gain ...

More information: Michinori Shiomi et al, Electrically pumped laser oscillation of C-band InAs quantum dot vertical-cavity surface-emitting lasers on InP (311)B substrate, Optics Express (2025).