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Mode transitions in distributed-feedback tapered master-oscillator power-amplifier: theory and experiments |
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| Authors: | Mindaugas Radziunas Vasile Z Tronciu Uwe Bandelow Mark Lichtner Martin Spreemann Hans Wenzel |
| Institution: | 1. Weierstra?-Institut für Angewandte Analysis und Stochastik, Mohrenstr. 39, 10117, Berlin, Germany 2. Ferdinand Braun Institut für H?chstfrequenztechnik, Gustav-Kirchhoff-Str. 4, 12489, Berlin, Germany |
| Abstract: | Theoretical and experimental investigations have been carried out to study the spectral and spatial behavior of monolithically integrated distributed-feedback tapered master-oscillators power-amplifiers emitting around 973 nm. Introduction of self and cross heating effects and the analysis of longitudinal optical modes allows us to explain experimental results. The results show a good qualitative agreement between measured and calculated characteristics. |
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