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Proceedings Paper

THz sources and detectors based on diode lasers
Author(s): Claus-Stefan Friedrich; Carsten Brenner; Stefan Hoffmann; Tobias Schlauch; Andreas Klehr; Götz Erbert; Günther Tränkle; Christian Jördens; Mohammed Salhi; Martin Koch; Martin R. Hofmann
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Paper Abstract

We demonstrate concepts for compact and cost effective THz technology based on semiconductor diode lasers. In detail, we analyze diode laser based THz sources and detectors. Continuous wave THz radiation is generated by two color diode lasers either with external photomixers or direct difference frequency generation in the diode laser. For time domain THz sampling applications we present a suitable mode-locked diode laser system. Further we present a method to detect THz radiation with diode lasers at room temperature: A THz signal coupled into the active region of a diode laser results in a variation of the voltage across the p-n-junction.

Paper Details

Date Published: 23 February 2009
PDF: 8 pages
Proc. SPIE 7197, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications VIII, 71970B (23 February 2009); doi: 10.1117/12.807853
Show Author Affiliations
Claus-Stefan Friedrich, Ruhr-Univ. Bochum (Germany)
Carsten Brenner, Ruhr-Univ. Bochum (Germany)
Stefan Hoffmann, photonIQ Technologies GmbH (Germany)
Tobias Schlauch, Ruhr-Univ. Bochum (Germany)
Andreas Klehr, Ferdinand-Braun-Institut für Höchstfrequenztechnik (Germany)
Götz Erbert, Ferdinand-Braun-Institut für Höchstfrequenztechnik (Germany)
Günther Tränkle, Ferdinand-Braun-Institut für Höchstfrequenztechnik (Germany)
Christian Jördens, Technische Univ. Braunschweig (Germany)
Mohammed Salhi, Technische Univ. Braunschweig (Germany)
Martin Koch, Technische Univ. Braunschweig (Germany)
Martin R. Hofmann, Ruhr-Univ. Bochum (Germany)


Published in SPIE Proceedings Vol. 7197:
Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications VIII
Peter E. Powers, Editor(s)

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