Ti:LiNbO3 acousto-optic tunable filter (AOTF)

被引：0
|
作者：
Nakazawa, T [1 ]
Taniguchi, S [1 ]
Seino, M [1 ]
机构：
[1] Fujitsu Labs Ltd, Atsugi, Kanagawa 24301, Japan
来源：
FUJITSU SCIENTIFIC & TECHNICAL JOURNAL | 1999年 / 35卷 / 01期
关键词：
D O I：
暂无
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 have developed the following new elements for an AOTF: an intersecting waveguide PBS which has a high extinction ratio, low loss, and wavelength independent characteristics; a film-loaded SAW guide (SAWG) which has a strong confinement, excellent filter characteristics, and provides a high design flexibility; and a 0-gap directional coupler type reflector which enables high-performance waveguide integration. These elements were combined to construct an AOTF consisting of five film-loaded SAWGs. The through and drop lights in this AOTF are filtered by three stages of the new SAWG. The 3 dB bandwidth and extinction ratio are 0.37 nm and less than -27 de, respectively. An optical ADM system that incorporated the new AOTF has demonstrated 10 Gb/s x 32-channel transmission with a 0.8 nm wavelength spacing.
引用
收藏
页码：107 / 112
页数：6
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