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High brightness tapered laser diodes with different resonator geometries were fabricated and analysed. The devices consist of an index-guided straight section and a gain-guided tapered section. Lasers with a total length L = 2 and 4 mm and different length of the ridge waveguide LRW (500 μm ≤ LRW ≤ 1250 μm for L = 2 mm and 500 μm ≤ LRW ≤ 2000 μm for L = 4 mm) were processed to study the influence...
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