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Conferences > NOMA > 2021 > NoW2A > NoW2A.3

A Thulium-Doped Tantalum Pentoxide Waveguide Laser

Colin J Mitchell, Amy SK Tong, Neil P Sessions, James S Wilkinson, and Jacob I Mackenzie

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Abstract

Tm-doped Ta2O5 films, deposited on thermally oxidized silicon substrates, were etched to form rib waveguides. Optically pumped (793 nm) multimode lasing at 1.9 µm is demonstrated from bare facets, producing 24-mW output, 46% slope efficiency.

© 2021 The Author(s)

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