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

Franck Alexis Chollet; Jean-Pierre Goedgebuer; Gadang Ramantoko

doi:10.1117/1.1418711

1 December 2001 Limitations imposed by birefringence uniformity on narrow-linewidth filters based on mode coupling

Franck Alexis Chollet, Jean-Pierre Goedgebuer, Gadang Ramantoko

Optical Engineering, Vol. 40, Issue 12, (December 2001). https://doi.org/10.1117/1.1418711

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 ?m. 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 (SPIE)

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Franck Alexis Chollet, Jean-Pierre Goedgebuer, and Gadang Ramantoko "Limitations imposed by birefringence uniformity on narrow-linewidth filters based on mode coupling," Optical Engineering 40(12), (1 December 2001). https://doi.org/10.1117/1.1418711

Published: 1 December 2001

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