Widely tunable telecom MEMS-VCSEL for terahertz photomixing

被引：9

作者：

Haidar, Mohammad Tanvir ^{[1
]}

Preu, Sascha ^{[2
]}

Paul, Sujoy ^{[1
]}

Gierl, Christian ^{[1
]}

Cesar, Julijan ^{[1
]}

Emsia, Ali ^{[1
]}

Kueppers, Franko ^{[1
]}

机构：

[1] Tech Univ Darmstadt, Inst Microwave Engn & Photon, D-64283 Darmstadt, Germany

[2] Tech Univ Darmstadt, Dept Elect Engn & Informat Technol, Terahertz Syst Technol, D-64283 Darmstadt, Germany

来源：

OPTICS LETTERS | 2015年 / 40卷 / 19期

关键词：

SYSTEM;

D O I：

10.1364/OL.40.004428

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report frequency-tunable terahertz (THz) generation with a photomixer driven by an ultra-broadband tunable micro-electro-mechanical system vertical-cavity surface-emitting laser (MEMS-VCSEL) and a fixed-wavelength VCSEL, as well as a tunable MEMS-VCSEL mixed with a distributed feedback (DFB) diode. A total frequency span of 3.4 THz is covered in direct detection mode and 3.23 THz in the homodyne mode. The tuning range is solely limited by the dynamic range of the photomixers and the Schottky diode/photoconductor used in the experiment. (C) 2015 Optical Society of America

引用

页码：4428 / 4431

页数：4

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