Visible upconversion emission intensities are investigated in Er3 -doped Y2O3 nanocrystals. We also find that the upconv......

Using 300-fs 1039-nm Yb-doped fiber laser, we experimentally demonstrate blue light generation in a high-\Delta and hig......

Two-photon excited stimulated emission at ~617 nm has been achieved in an organic chromophore solution pumped at 1064 nm......

Enhancing the photoluminescence and depressing the background emission are important problems in rare earth ion-doped ma......

A reliable target-triggering plasma shutter was applied to second harmonic generation (SHG) of AgGaSe_(2) crystal with a......

Pulsed collimated blue light at 420.3 nm is generated in hot Rb vapor by upconverting the 778.10 nm pumping beam through......

We report the upconversion luminescence of lithium fluoride single crystals excited by an infrared femtosecond laser at ......

Mechanisms of upconversion luminescence (UCL) of SrF2:E...