Five-hundred-milliwatts distributed-feedback diode laser emitting at 940 nm |
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Authors: | A. Klehr H. Wenzel M. Braun F. Bugge J. Fricke A. Knauer G. Erbert |
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Affiliation: | aFerdinand-Braun-Institut für Höchstfrequenztechnik, Gustav-Kirchhoff-Straße 4, 12489 Berlin, Germany |
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Abstract: | A DFB laser emitting at a wavelength around 940 nm in a single longitudinal mode up to an output power of 500 mW with a side mode suppression ratio greater than 50 dB is presented. More than 4 nm tuning range was reached by varying the current between 100 and 800 mA. Up to a power of about 300 mW, the lateral far field revealed stable fundamental mode operation. |
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Keywords: | Semiconductor lasers Distributed-feedback lasers High-power lasers |
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