18 June 2004 Two-color semiconductor lasers
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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.
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Stefan Hoffmann, Stefan Hoffmann, Martin R. Hofmann, Martin R. Hofmann, } "Two-color semiconductor lasers", Proc. SPIE 5349, Physics and Simulation of Optoelectronic Devices XII, (18 June 2004); doi: 10.1117/12.540320; https://doi.org/10.1117/12.540320
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