Evanescent fields of laser written waveguides

Dario Jukić; Thomas Pohl; Jörg B. Götte

doi:10.1117/12.2077189

20 March 2015 Evanescent fields of laser written waveguides

Dario Jukić, Thomas Pohl, Jörg B. Götte

Author Affiliations +

Proceedings Volume 9379, Complex Light and Optical Forces IX; 93790R (2015) https://doi.org/10.1117/12.2077189
Event: SPIE OPTO, 2015, San Francisco, California, United States

Abstract

We investigate the evanescent field at the surface of laser written waveguides. The waveguides are written by a direct femtosecond laser writing process into fused silica, which is then sanded down to expose the guiding layer. These waveguides support eigenmodes which have an evanescent field reaching into the vacuum above the waveguide. We study the governing wave equations and present solution for the fundamental eigenmodes of the modified waveguides.

Citation Download Citation

Dario Jukić, Thomas Pohl, and Jörg B. Götte "Evanescent fields of laser written waveguides", Proc. SPIE 9379, Complex Light and Optical Forces IX, 93790R (20 March 2015); https://doi.org/10.1117/12.2077189

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