Temperature dependence of pyrolysed sol-gel planar waveguide parameters

A set-up for varying the temperature (5-90\0\C) of planar optical waveguides is described. The principle is to control the temperature of the cover medium (in this case, water). The propagation constants of guided modes are measured via a grating coupler. The temperature coefficients of the thicknes...

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Bibliographic Details
Published in:Journal of physics. D, Applied physics Applied physics, 1994-06, Vol.27 (6), p.1134-1138
Main Authors: Saini, S, Kurrat, R, Prenosil, J E, Ramsden, J J
Format: Article
Language:English
Subjects:
Applied sciences
Circuit properties
Electric, optical and optoelectronic circuits
Electronics
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Imaging detectors and sensors
Integrated optics. Optical fibers and wave guides
Optical and optoelectronic circuits
Optical elements, devices, and systems
Optics
Physics
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Summary:A set-up for varying the temperature (5-90\0\C) of planar optical waveguides is described. The principle is to control the temperature of the cover medium (in this case, water). The propagation constants of guided modes are measured via a grating coupler. The temperature coefficients of the thickness and refractive index of the waveguide material can be described by simple polynomial expressions. (Original abstract-amended)
ISSN:0022-3727
1361-6463
DOI:10.1088/0022-3727/27/6/009