3 June 2005 Thulium doped ZBLAN fibre ring-cavity amplifier
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We have demonstrated the integration of supporting lasing at 1.88 mm for enhancing the gain in a thulium doped ZBLAN amplifier. The laser ring cavity has been created in order to reduce the bottleneck effect caused by the self-terminating nature of the amplifying transition. Two different types of fibre geometry and pumping scheme have been tested and the performance has been compared with a numerical model of the amplifier.
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S. Tessarin, S. Tessarin, M. Lynch, M. Lynch, J. F. Donegan, J. F. Donegan, G. Maze, G. Maze, } "Thulium doped ZBLAN fibre ring-cavity amplifier", Proc. SPIE 5825, Opto-Ireland 2005: Optoelectronics, Photonic Devices, and Optical Networks, (3 June 2005); doi: 10.1117/12.605174; https://doi.org/10.1117/12.605174

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