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Formation of single mode waveguide and domain modulation in KTiOPO4 crystal by barrier-confined Rb+/Ba2+-K+ exchange
Zhenhua Qin * #,Fei Lu,Xianbing Ming,Jiaojian Yin,Yujie Ma
Information and Science and Engineering School, Shandong University
*Correspondence author
#Submitted by
Subject:
Funding: Research Fund for the Doctoral Program of Higher Education of China （No.20070422078）
Opened online:12 November 2010
Accepted by: none
Citation: Zhenhua Qin,Fei Lu,Xianbing Ming.Formation of single mode waveguide and domain modulation in KTiOPO4 crystal by barrier-confined Rb+/Ba2+-K+ exchange[OL]. [12 November 2010] http://en.paper.edu.cn/en_releasepaper/content/4390794
 
 
Single mode waveguide with modulated domain in KTiOPO4 crystal is achieved using ion exchange combining with ion implantation. Different ratios of Ba(NO3)2/RbNO3 solution are selected to investigate the disparity of the effective exchange depth of Rb+ and Ba2+ in KTP crystal. The effective diffusion depths of Rb+ and Ba2+ ions are deduced according to iWKB method and RBS technique. A lattice damage layer is introduced by He+ implantation to confine the depth of Rb+-K+ exchange. The characteristic is analyzed using prism-coupling and RBS technique.
Keywords:Nonlinear optics, Ion exchange, Ion implantation, Waveguide fabrication, Domain modulation
 
 
 

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