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Gain determination of optical active doped planar waveguides
Author(s): J. Šmejcký; V. Jeřábek; P. Nekvindová
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Paper Abstract

This paper summarizes the results of the gain transmission characteristics measurement carried out on the new ion exchange Ag+ - Na+ optical Er3+ and Yb3+ doped active planar waveguides realized on a silica based glass substrates. The results were used for optimization of the precursor concentration in the glass substrates. The gain measurements were performed by the time domain method using a pulse generator, as well as broadband measurement method using supercontinuum optical source in the wavelength domain. Both methods were compared and the results were graphically processed. It has been confirmed that pulse method is useful as it provides a very accurate measurement of the gain - pumping power characteristics for one wavelength. In the case of radiation spectral characteristics, our measurement exactly determined the maximum gain wavelength bandwidth of the active waveguide. The spectral characteristics of the pumped and unpumped waveguides were compared. The gain parameters of the reported silica-based glasses can be compared with the phosphate-based parameters, typically used for optical active devices application.

Paper Details

Date Published: 1 December 2017
PDF: 11 pages
Proc. SPIE 10603, Photonics, Devices, and Systems VII, 106030P (1 December 2017); doi: 10.1117/12.2294030
Show Author Affiliations
J. Šmejcký, Czech Technical Univ. in Prague (Czech Republic)
V. Jeřábek, Czech Technical Univ. in Prague (Czech Republic)
P. Nekvindová, Univ. of Chemistry and Technology Prague (Czech Republic)


Published in SPIE Proceedings Vol. 10603:
Photonics, Devices, and Systems VII
Karel Fliegel; Petr Páta, Editor(s)

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