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http://dx.doi.org/10.3807/HKH.2008.19.6.408

Quasi Phase-Matched Second Harmonic-Wave Generation based on Nonlinear-Optic Effect Utilizing Ti:PPLN Optical Waveguides  

Jung, Hong-Sik (Dept. of Electronic and Electrical Engineering, Hongik University)
Jung, Young-Sik (Dept. of Electrical Engineering, University of Incheon)
Publication Information
Korean Journal of Optics and Photonics / v.19, no.6, 2008 , pp. 408-415 More about this Journal
Abstract
The characteristics of a ferroelectric-domain inverted grating fabricated by applying a high-voltage pulse at room temperature in Ti-diffused channel waveguides in z-cut $LiNbO_3$ (Ti:PPLN) were examined for channel waveguide quasi phase-matched secondharmonic generation devices. The fabrication conditions of uniform periodic domain-inversion were examined. Ti:PPLN with period ${\Lambda}=16.6{\mu}m$ for SHG were fabricated and the performances were measured. A normalized SHG efficiency as high as 473 (%/W) was obtained with 49 mm interaction length.
Keywords
광도파로 집적소자;비선형광학효과;도메인반전;주기분극 리튬나오베이트;Ti:PPLN 채널 광도파로;의사위상정합;제 2 조화파 발생;
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