Point-to-point UV-written planar waveguide components

Karin Zenth; Christian V. Poulsen; Anders Bjarklev

doi:10.1117/12.229935

10 January 1996 Point-to-point UV-written planar waveguide components

Karin Zenth, Christian V. Poulsen, Anders Bjarklev

Proceedings Volume 2695, Functional Photonic and Fiber Devices; (1996) https://doi.org/10.1117/12.229935
Event: Photonics West '96, 1996, San Jose, CA, United States

Abstract

Germanosilicate film waveguides have been fabricated by plasma enhanced chemical vapor deposition. In the film waveguides straight waveguides, directional couplers and a Y-splitter were written directly point to point with UV-light by focussing a 244 nm beam by a single lens. No kind of mask was used to define the structure. The propagation loss of a multi-mode UV-written waveguide has been measured to 0.3 dB/cm, which is excellent for directly written waveguides. The UV-induced change of refractive index in the written components is estimated to be between 4 (DOT) 10^-3 and 6 (DOT) 10^-3. This provides a highly flexible and fast method for fabrication of new waveguide components.

Citation Download Citation

Karin Zenth, Christian V. Poulsen, and Anders Bjarklev "Point-to-point UV-written planar waveguide components", Proc. SPIE 2695, Functional Photonic and Fiber Devices, (10 January 1996); https://doi.org/10.1117/12.229935

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