Efficiency improvement by high-index cladding in LiNbO3 waveguide quasi-phase-matched wavelength converter for optical communication

被引：10
|
作者：
Sato, D [1 ]
Morita, T [1 ]
Suhara, T [1 ]
Fujimura, M [1 ]
机构：
[1] Osaka Univ, Grad Sch Engn, Dept Elect, Suita, Osaka 5650871, Japan
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2003年 / 15卷 / 04期
关键词：
difference frequency generation (DFG); lithium niobate; nonlinear optics; optical waveguide; quasi-phase matching (QPM); wavelength conversion;
D O I：
10.1109/LPT.2003.809320
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Quasi-phase-matched difference frequency generation devices for the 1.5-mum band using a LiNbO3 waveguide with a high-index cladding layer of AS(2)S(3) were designed and fabricated. By the cladding, the guided mode profiles were modified, and their overlap was increased. A high normalized conversion efficiency of 790%/W was obtained for 30-mm interaction length.
引用
收藏
页码：569 / 571
页数：3
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