Title :
Femtosecond irradiation induced refractive-index changes and channel waveguiding in bulk Ti/sup 3+/:sapphire
Author :
Apostolopoulos, V. ; Laversenne, L. ; Colomb, T. ; Depeursinge, C. ; Salathé, R.P. ; Pollinau, M. ; Osellame, R. ; Cerullo, G. ; Laporta, P.
Author_Institution :
Inst. for Biomed. Imaging, Opt. & Eng., Swiss Fed. Inst. of Technol., Lausanne, Switzerland
Abstract :
Femtosecond writing of refractive-index changes in sapphire is demonstrated by doping the crystal with an appropriate ion (here: Ti/sup 3+/) that reduces the threshold of the process. Passive and active buried channel waveguiding is demonstrated.
Keywords :
high-speed optical techniques; integrated optics; laser beam effects; optical fabrication; optical materials; optical waveguides; refractive index; titanium; Al/sub 2/O/sub 3/:Ti; bulk Ti/sup 3+/:sapphire; channel waveguiding; crystal doping; femtosecond irradiation; irradiation induced changes; refractive-index changes;
Conference_Titel :
Lasers and Electro-Optics, 2004. (CLEO). Conference on
Conference_Location :
San Francisco, CA
Print_ISBN :
1-55752-777-6
