Lithium niobate photonic crystal waveguides: Far field and near field characterisation

被引:25
作者
Bernal, M. -P. [1 ]
Courjal, N. [1 ]
Amet, J. [1 ]
Roussey, M. [1 ]
Hou, C. H. [1 ]
机构
[1] Univ Franche Comte, Inst FEMTO ST, UMR 6174, Dept Opt PM Duffieux, F-25030 Besancon, France
关键词
lithium niobate photonic crystal; SNOM; waveguides;
D O I
10.1016/j.optcom.2006.03.042
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
In this paper, we experimentally investigate photonic crystal waveguides in a X-cut lithium niobate substrate. The transmission response is measured through the Gamma M direction of a triangular lattice structure and the results coincide with the theoretical predictions. In addition, a scanning near-field microscope is used in collection mode to map the optical intensity distribution inside the structure putting in evidence the guiding of the light through lines of defects. This study offers perspectives towards lithium niobate tunable photonic crystal devices. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码:180 / 186
页数:7
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