Growth, spectroscopy, and laser characterization of Er:KGdYbY(WO) epitaxial layers.

We report on the composition of Er-doped KGdYbY(WO) layers to be grown onto undoped KY(WO) substrate providing fine lattice matching and high refractive index contrast with the substrate and fabrication of high optical quality Er(1.3  at. %):KGdYbY(WO) epitaxial layers with thickness up to 180 μm.

Energy transfer in Tm,Ho:KYW crystal and diode-pumped microchip laser operation.

An investigation of Tm-Ho energy transfer in Tm(5at.%),Ho(0.4at.

Spectroscopy and femtosecond laser performance of Yb3+:YAlO3 crystal.

We report what we believe to be the first demonstration of cw and passively mode-locked Yb(3+):YAlO(3) (Yb:YAP) laser operation under diode pumping. Spectroscopic properties of a 0.6 at.

Efficient 1 W continuous-wave diode-pumped Er,Yb:YAl3(BO3)4 laser.

We report the spectroscopy and high-power continuous-wave (CW) diode-pumped laser operation of Er:Yb:YAl3(BO3) crystal. Absorption and stimulated emission spectra, emission lifetimes, and efficiency of energy transfer from Yb3+ to Er3+ ions were determined. A CW Er:Yb:YAB laser emitting at 1602, 1555, and 1531 nm with output power as high as 1W and slope efficiency up to 35% was demonstrated.