Multiperiod piezoelectric-barrier all-optical light modulator

被引：0
|
作者：
Ortiz, V
Mula, G
Pelekanos, NT
机构：
[1] CEA Grenoble, Dept Rech Fondamentale Mat Condensee, F-38054 Grenoble, France
[2] Univ Cagliari, INFM, I-09042 Sestu, Italy
[3] Univ Cagliari, Dipartimento Fis, I-09042 Sestu, Italy
来源：
MICROELECTRONICS JOURNAL | 1999年 / 30卷 / 4-5期
关键词：
piezoelectric-barrier; all-optical modulator; photoluminescence;
D O I：
10.1016/S0026-2692(98)90144-6
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：
We present preliminary new results on multiperiod piezoelectric-barrier all-optical modulators. It is shown first on single period structures that an incident beam of a few W/cm(2) is able to create a space-charge held of similar to 20 kV/cm in the structure, inducing a 10 meV shift in the photoluminescence (PL) spectrum. We discuss then a multiperiod structure showing similar optically-driven PL shifts. Even though the multiperiod structure was not optimized for transmission modulation experiments, we observed a 12% transmission variation at 760 nm induced by a 10 W/cm(2) optical beam. (C) 1999 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：409 / 412
页数：4
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