Characterization of α-phase soft proton-exchanged LiNbO3 optical waveguides

被引：29
|
作者：
Korkishko, YN [1 ]
Fedorov, VA
Baranov, EA
Proyaeva, MV
Morozova, TV
Caccavale, F
Segato, F
Sada, C
Kostritskii, SM
机构：
[1] Tech Univ, Moscow Inst Elect Technol, Dept Mat & Technol, Moscow 103498, Zelenograd, Russia
[2] INFM, I-20125 Milan, Italy
[3] Univ Milano Bicocca, Dipartimento Sci Mat, I-20125 Milan, Italy
[4] INFM, I-35131 Padua, Italy
[5] Univ Padua, Dipartimento Fis G Galilei, I-35131 Padua, Italy
[6] Kemerovo State Univ, Dept Phys, Kemerovo 650043, Russia
来源：
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION | 2001年 / 18卷 / 05期
关键词：
D O I：
10.1364/JOSAA.18.001186
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Waveguides in LiNbO3 are realized by a soft proton Exchange (SPE) process with use of a melt of stearic acid highly diluted by lithium stearate. No phase transitions are formed when alpha-phase waveguides are obtained by SPE. The alpha-phase presents the same crystalline structure as that of pure LiNbO3 crystal, and it maintains the excellent nonlinear and electro-optical properties of the bulk material. The kinetics of the SPE method is studied by the use of secondary-ion mass spectrometry and prism-coupling techniques. The hydrogen effective diffusion coefficient as well as the self-diffusion coefficients of H+ and Li+ ions are determined as a function of the proton-exchange temperature for X-cut LiNbO3. (C) 2001 Optical Society of America.
引用
收藏
页码：1186 / 1191
页数：6
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