Segmented transmission-line electroabsorption modulators

被引：73
作者：
Lewén, R
Irmscher, S
Westergren, U
Thylén, L
Eriksson, U
机构：
[1] Royal Inst Technol, Lab Opt Photon & Quantum Electron, S-16440 Kista, Sweden
[2] Optill AB, S-11794 Stockholm, Sweden
来源：
JOURNAL OF LIGHTWAVE TECHNOLOGY | 2004年 / 22卷 / 01期
关键词：
electroabsorption; optical fiber communication; periodic transmission lines; traveling-wave; waveguide modulators;
D O I：
10.1109/JLT.2003.822829
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 segmented transmission-line (TML) electroabsorption modulators (EAMs) with characteristic impedance close to 50 M The segmented TML approach allows us to design a traveling-wave EAM with 50 Omega impedance and very high band width. The devices show low return loss (< -15 dB) and excellent frequency response up to 50 GHz, and exhibit a maximum model extrapolated 3 dBe bandwidth (BW) of 9,0 GHz. An effective modeling tool based on Bloch-wave analysis is derived. Design considerations and TML properties for periodic TML-EAMs are discussed.
引用
收藏
页码：172 / 179
页数：8
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