Electro-optic intensity modulator for broadband optical communications

被引：0
|
作者：
Rizzi, M [1 ]
Castagnolo, B [1 ]
机构：
[1] Politecn Bari, Dipartimento Elettrotecn & Elettron, I-70125 Bari, Italy
来源：
FIBER AND INTEGRATED OPTICS | 2002年 / 21卷 / 04期
关键词：
modulator; refractive index; travelling wave electrode; coplanar strips; driving voltage; phase velocity;
D O I：
10.1080/01468030290087688
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
An LiNbO3 electro-optic grating modulator, composed of coplanar microstrip electrodes with periodic small fins and an airbridge structure, is presented. The small fins slow down the microwave propagating speed, while the effect of the airbridge is the reduction of the effective index. The modulator design has good performance in terms of wavelength selection and high-speed characteristics. The microwave and optical analysis are carried out using the three-dimensional finite difference method and coupled mode equations.
引用
收藏
页码：243 / 251
页数：9
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