Phase Composition and Electro-Optic Properties of Proton-Exchanged Waveguides in Lithium Niobate Crystals*

被引：5
|
作者：
Kostritskii, S. M. [1 ]
Korkishko, Yu. N. [1 ]
Fedorov, V. A. [1 ]
Sevostyanov, O. G. [2 ]
Chirkova, I. M. [2 ]
Mitrokhin, V. P. [1 ]
机构：
[1] RPC Optolink Ltd, Moscow 124489, Russia
[2] Kemerovo State Univ, Kemerovo, Russia
来源：
JOURNAL OF APPLIED SPECTROSCOPY | 2015年 / 82卷 / 02期
关键词：
lithium niobate; integrated optics; proton-exchanged waveguide; electro-optic effect; optical absorption spectrum; Raman spectroscopy; IR reflectance spectroscopy; HXLI1-XNBO3; PHASES; DIFFUSION;
D O I：
10.1007/s10812-015-0091-2
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
Based on experimental data on the shift of the fundamental absorption edge, we have quantitatively estimated the electro-optic coefficient r (13) in proton-exchanged waveguides containing different H (x) Li1-x NbO3 phases. The phase composition of the waveguides was determined based on IR reflectance and micro-Raman spectroscopy data. We established that the electro-optic properties of the waveguides depend on their phase composition. The results obtained allowed us to optimize the process for preparation of phase modulators based on channel waveguides in LiNbO3 crystals.
引用
收藏
页码：234 / 241
页数：8
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