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Proceedings Paper

Two-color semiconductor lasers
Author(s): Stefan Hoffmann; Martin R. Hofmann
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Paper Abstract

The emission spectrum of a two-color semiconductor laser is analyzed. We find four-wave mixing sidebands for difference frequencies up to 4 THz. The appearance of four-wave mixing signals is a clear sign for a modulation of the carrier plasma at the corresponding difference frequency. We prove experimentally that this difference frequency is also directly emitted out of the laser diode and suggest a new simple concept for the generation of tunable coherent THz-radiation.

Paper Details

Date Published: 18 June 2004
PDF: 10 pages
Proc. SPIE 5349, Physics and Simulation of Optoelectronic Devices XII, (18 June 2004); doi: 10.1117/12.540320
Show Author Affiliations
Stefan Hoffmann, Ruhr-Univ. Bochum (Germany)
Martin R. Hofmann, Ruhr-Univ. Bochum (Germany)

Published in SPIE Proceedings Vol. 5349:
Physics and Simulation of Optoelectronic Devices XII
Marek Osinski; Hiroshi Amano; Fritz Henneberger, Editor(s)

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