Ultrafast Processes In Quasi-Zero Dimensional Semiconductor Microcrystallites In Glasses

Electron-hole recombination processes in quasi-zero dimensional semiconductor microcrystallites embedded in glasses are examined by time-resolved photoluminescence (PL) and degenerate four wave mixing experiments. These two types of experiments provide evidence that quantum confinement effects play important roles in the understanding of ultrafast processes in the microcrystallites in glasses.