11 June 2003 Self-focused distributed Bragg reflector QW laser diodes
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Abstract
We report the first realization of novel tapered DBR laser diodes incorporating curved gratings. The devices exhibited single-longitudinal mode operation with a side-mode suppression ratio of over 30 dB and a laterally focused beam for focal lengths around 0.5 mm. These laser sources will be suitable for applications requiring both spectrally and spatially enhanced beam quality.
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D. A. Yanson, Edward U. Rafailov, Grigorii S. Sokolovskii, V. I. Kuchinskii, A. Catrina Bryce, John H. Marsh, Wilson Sibbett, "Self-focused distributed Bragg reflector QW laser diodes", Proc. SPIE 5023, 10th International Symposium on Nanostructures: Physics and Technology, (11 June 2003); doi: 10.1117/12.514379; https://doi.org/10.1117/12.514379
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