Integrated Optics

Limitations imposed by birefringence uniformity on narrow-linewidth filters based on mode coupling

[+] Author Affiliations
Gadang Ramantoko

Universite´ de Franche-Comte´, Laboratoire d’Optique P.-M. Duffieux, UMR CNRS 6603, Institut des Microtechniques, F-25030 Besanc¸on Cedex, France

Opt. Eng. 40(12), 2763-2770 (Dec 01, 2001). doi:10.1117/1.1418711
History: Received Feb. 8, 2001; Revised June 26, 2001; Accepted June 28, 2001
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Integrated tunable narrow-linewidth wavelength filters based on TE-TM mode conversion require a high quality processing. The discussion is based on numerical simulations of typical technology-induced defects and on a comparison with experimental results. We show that uniformity of the LiNbO3 crystal growth currently limits the linewidth to about 0.6 nm for spectral filters operating at 1.55 μm. Moreover, such a filter would require a technology with strict conditions of uniformity over several centimeters. The discussion is focused on electro-optic filters but the results can be extended to any device based on codirectional mode coupling, such as acousto-optic filters. © 2001 Society of Photo-Optical Instrumentation Engineers.

© 2001 Society of Photo-Optical Instrumentation Engineers

Citation

Franck Chollet ; Jean-Pierre Goedgebuer and Gadang Ramantoko
"Limitations imposed by birefringence uniformity on narrow-linewidth filters based on mode coupling", Opt. Eng. 40(12), 2763-2770 (Dec 01, 2001). ; http://dx.doi.org/10.1117/1.1418711


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