Cut-off wavelength measurements of integrated optical waveguides

One of the most important parameters in the characterization of integrated optical waveguides is the precise determination of the effective cut-off wavelength of the fundamental and the first order mode, since it sets the exact region of single-mode operation. This paper describes an experimental set-up for the measurement of the cut-off wavelengths of integrated optical waveguides, using the technique of spectral light transmission. Measurement results obtained with Ti:LiNbO3 channel waveguides are presented. The effect of different geometrical parameters and fabrication conditions on the cut-off wavelengths of the channel waveguides for both TE and TM mode excitation will be discussed.


Publié dans:
AGEN-Mitteilungen, 56-57, 55-57
Année
1993
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 Notice créée le 2008-09-29, modifiée le 2019-03-16

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