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Periodically domain inversion and optical properties of low-loss Ti : $LiNbO_3$ waveguides  

Yang, W.S. (Nano Bio-photonics Team, Korea Electronics Technology Institute)
Kwon, S.W. (Department of Materials Engineering, Hankuk Aviation University)
Lee, H.M. (Nano Bio-photonics Team, Korea Electronics Technology Institute)
Kim, W.K. (Nano Bio-photonics Team, Korea Electronics Technology Institute)
Yoon, D.H. (Department of Advanced Materials Engineering, Sungkyunkwan University)
Lee, H.Y. (Nano Bio-photonics Team, Korea Electronics Technology Institute)
Publication Information
Journal of the Korean Crystal Growth and Crystal Technology / v.16, no.2, 2006 , pp. 49-52 More about this Journal
Abstract
Periodic electric field assisted poling low loss (${\sim}0.1dB/cm$) single-mode Ti-diffused waveguides in $LiNbO_3$ has been achieved using a periodically patterned electrode on the +Z surface of Ti : $LiNbO_3$ crystal and homogeneous LiCl solution. Using selective chemical etching, we confirmed the periodic (${\sim}16{\mu}m$) domain inverted structure and measured SH (second harmonic) properties of fabricated periodically poled Ti : $LiNbO_3$ waveguides.
Keywords
Ti : $LiNbO_3$; Waveguide; Periodic poling; Domain; Propagation loss;
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