A GaAlAs-GaAs integrated coherence modulator

被引：13
作者：
Khalfallah, S
Dubreuil, P
Legros, R
Fontaine, C
Muñoz-Yagüe, A
Beche, B
Porte, H
机构：
[1] CNRS, Lab Anal & Architecture Syst, F-31077 Toulouse, France
[2] Univ Franche Comte, UFR Sci & Tech, CNRS, URA 214, F-25030 Besancon, France
来源：
JOURNAL OF LIGHTWAVE TECHNOLOGY | 1999年 / 17卷 / 01期
关键词：
birefringence; coherence modulation; electrooptic modulation; III-V compound semiconductors; multiplexing; optical delay; optical waveguide; superluminescent diodes;
D O I：
10.1109/50.737428
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：
This paper presents a novel integrated LII-V semiconductor waveguide modulator specially designed to generate optical delays of several hundred micrometers, This is achieved by simultaneous propagation of transverse electric (TE) and transverse magnetic (TM) lowest order modes in an original layered waveguide exhibiting a group birefringence greater than 0.02 at 1.3 mu m. The device has 40% contrast, a switching voltage of 7 V with a 10-mm long electrode and is suitable for transmission and multiplexing of signals by coherence modulation of light in an optical fiber network powered by a short coherence source such as a superluminescent diode.
引用
收藏
页码：103 / 107
页数：5
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