Optics letters
Large-mode area erbium-doped tantalum pentoxide waveguide amplifier with high on-chip net gain.
Yuhan Sun, Qi Cheng, Lipeng Xia, Ze Wang, Peng Chen, Zhe Long, Rongping Wang, Yi Zou
Published: 202610.1364/OL.585502
Abstract
We report a high-performance erbium-doped tantalum pentoxide (Er3+: Ta2O5) large-mode-area (LMA) waveguide amplifier fabricated by direct etching of the gain medium. The device achieves strong optical confinement and high pump-signal overlap (>98.6%)…
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