Semiconductor laser based THz generation and detection

被引：3

作者：

Brenner, Carsten ^{[1
]}

Hoffmann, Stefan ^{[2
]}

Friedrich, Claus-Stefan ^{[1
]}

Schlauch, Tobias ^{[1
]}

Klehr, Andreas ^{[4
]}

Erbert, Goetz ^{[4
]}

Traenkle, Guenther ^{[4
]}

Joerdens, Christian

Salhi, Mohammed ^{[3
]}

Koch, Martin ^{[3
]}

Hofmann, Martin R. ^{[1
]}

机构：

[1] Ruhr Univ Bochum, Inst Photon & Terahertz Technol, D-44780 Bochum, Germany

[2] photonIQ Technol GmbH, D-44799 Bochum, Germany

[3] Tech Univ Carolo Wilhelmina Braunschweig, Inst Hochfrequenztech, D-38106 Braunschweig, Germany

[4] Ferdinand Braun Inst Hochstfrequenztech, D-12489 Berlin, Germany

来源：

PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 6, NO 2 | 2009年 / 6卷 / 02期

关键词：

TERAHERTZ RADIATION; EXTERNAL-CAVITY; EMISSION;

D O I：

10.1002/pssc.200880356

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present different concepts for compact and cost effective THz technology based on semiconductor diode lasers. First, we discuss THz sources starting with modelocked diode lasers for time domain THz sampling, and two-colour diode lasers for continuous wave THz generation. Then we show how THz radiation can be generated directly out of two-colour diode lasers and discuss possible schemes for an optimisation of this effect towards application relevant power levels. Finally, we demonstrate that diode lasers can also serve as detectors for THz radiation. We couple the emission of a THz gas laser into the active region of a diode laser and demonstrate that this leads to a variation of the voltage over the p-n-junction which is almost proportional to the THz power coupled into the device. (C) 2009 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

引用

页码：564 / +

页数：2

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