Published in EPJ Quantum Technology: Laser annealing heals radiation damage in avalanche photodiodes

Following our detector radiation and mitigation testing campaign, we tried an alternative approach for annealing detectors to mitigate radiation damage: laser annealing. High-power laser light was directed at irradiated and thermally-annealed detector samples, and subsequent performance measured. Notably, the results show that doing so provides performance improvements better than those achieved by thermal annealing.

J. G. Lim, E. Anisimova, B. L. Higgins, J.-P. Bourgoin, T. Jennewein, and V. Makarov
EPJ Quantum Technology 4, 11 (2017)

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