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Conference Paper
Conference on Lasers and Electro-Optics
San Francisco, California United States
May 16, 2004
ISBN: 1-55752-770-9
Material Modification with Femtosecond Pulses (CMY)

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

Vasilis Apostolopoulos, Laetitia Laversenne, Tristan Colomb, Christian Depeursinge, Rene Salathe, Markus Pollnau, Roberto Osellame, Giulio Cerullo, and Paolo Laporta

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Femtosecond 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.

© 2004 Optical Society of America

OCIS Codes
(230.0230) Optical devices : Optical devices
(230.7380) Optical devices : Waveguides, channeled
(320.0320) Ultrafast optics : Ultrafast optics
(320.2250) Ultrafast optics : Femtosecond phenomena

V. Apostolopoulos, L. Laversenne, T. Colomb, C. Depeursinge, R. Salathe, M. Pollnau, R. Osellame, G. Cerullo, and P. Laporta, "Femtosecond irradiation induced refractive-index changes and channel waveguiding in bulk Ti3+:sapphire," in Conference on Lasers and Electro-Optics/International Quantum Electronics Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2004), paper CMY4.

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