Fabrication of photonic devices inside glasses by high repetition rate femtosecond lasers

Femtosecond laser microprocessing has provided new prospects to integrate and miniaturize highly functional photonic devices directly inside transparent materials. Here, we will report that the enhancements of linear and nonlinear optical features for the high repetition rate femtosecond laser synthesized metal and semiconductor nanocrystals inside specially designed glasses. We will also demonstrate the potential applications for the femtosecond laser induced nanocrystal doped glasses in fabrication of photonics devices.