Communication Dans Un Congrès Année : 2020

Defects management in the gain media of GeSn micro-disk lasers

Résumé

We fabricated a Ge0.92Sn0.08 micro-disk laser with a lasing threshold as low as 20-30 kW/cm2 at 75 K. A specific etching process was developed to remove the dense array of misfit dislocations from the gain medium. Further surface treatments and passivations improved the lasing dynamics.
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Dates et versions

cea-04904139 , version 1 (21-01-2025)

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B. Wang, A. Elbaz, E. Herth, E. Sakat, A. Durnez, et al.. Defects management in the gain media of GeSn micro-disk lasers. 2020 IEEE Photonics Conference (IPC), Sep 2020, Vancouver, Canada. pp.1-2, ⟨10.1109/IPC47351.2020.9252527⟩. ⟨cea-04904139⟩
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