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Proceedings Paper

Analysis on planar-type long-period gratings for wavelength tuning filters
Author(s): Kyong Hon Kim; Dongseok Lee; El-Hang Lee
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Paper Abstract

This paper reports numerically analyzed results on temperature dependent performances of planar-type long period waveguide gratings (LPWGs) for thermally tunable wavelength filter applications. The thermally tunable characteristics of the LPWG with a four-layer geometry have been evaluated. The calculated results show that the tuning characteristics depend significantly on the temperature dependent refractive index change rate of the core and clad waveguide materials compared to their thermal expansion coefficient.

Paper Details

Date Published: 3 March 2006
PDF: 9 pages
Proc. SPIE 6124, Optoelectronic Integrated Circuits VIII, 61240F (3 March 2006); doi: 10.1117/12.648629
Show Author Affiliations
Kyong Hon Kim, Inha Univ. (South Korea)
Dongseok Lee, Inha Univ. (South Korea)
El-Hang Lee, Inha Univ. (South Korea)

Published in SPIE Proceedings Vol. 6124:
Optoelectronic Integrated Circuits VIII
Louay A. Eldada; El-Hang Lee, Editor(s)

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