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High power monolithic two mode DFB laser diodes for the generation of terahertz radiation
A. Klehr1, J. Fricke1, A. Knauer1, G. Erbert1, M. Walther2, R. Wilk3, M. Koch3
1 Ferdinand-Braun-Institut für Höchstfrequenztechnik, Gustav-Kirchhoff-Straße 4, 12489 Berlin, Germany
2 Fraunhofer Institut für angewandte Festkörperphysik, Germany
3 Braunschweig University of Technology, Institut für Hochfrequenztechnik, Germany
Published in:
Conference Digest CLEO/Europe 2007, Paper CB12-4.
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Abstract:
We report on high power DFB lasers emitting simultaneously on two longitudinal modes. The mode spacing
is 0.45 nm corresponding to 0.12 THz. We demonstrate THz emission by mixing the two line laser emission in a LT-GaAsSb
photomixer.
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