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A 2.1 μm Ho:ZBLAN waveguide chip laser with improved slope efficiency
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DOI：10.1016/j.infrared.2026.106624.png)
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Abstract
En 中文
• A folded-cavity Ho:ZBLAN waveguide chip CW laser achieved an improved internal slope efficiency of 62.3% at 2.1 μm. • Comparative analysis of 1.0 mol% vs 2.5 mol% Ho3⁺-doped chips reveals a concentration-dependent reduction in slope efficiency. • The demonstrated waveguide chip laser exhibits near diffraction-limited beam quality (M2 ≈ 1.1) and low-noise characteristics suitable for compact SWIR photonic integration.
Keywords:
Ho:ZBLAN
waveguide chip laser
slope efficiency
2.1 μm
SWIR photonic integration
Journal
I
IF:
3.4
Papers:
360
Citations:
0
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