Femtosecond irradiation induced refractive-index changes and channel waveguiding in bulk Ti3+:sapphire

Apostolopoulos, VasilisLaversenne, LaetitiaColomb, TristanDepeursinge, ChristianSalathé, RenéPollnau, MarkusOsellame, RobertoCerullo, GiulioLaporta, Paolo2009-07-202009-07-202009-07-202004https://infoscience.epfl.ch/handle/20.500.14299/41545Femtosecond writing of refractive-index changes in sapphire is demonstrated by doping the crystal with an appropriate ion (here: Ti3+) that reduces the threshold of the process. Passive and active buried channel waveguiding is demonstrated.[MVD]Femtosecond irradiation induced refractive-index changes and channel waveguiding in bulk Ti3+:sapphiretext::conference output::conference proceedings::conference paper