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深红色平面波导激光操作的Eu³⁺:KY(WO₄) ₂层

Amandine Baillard, Ji Eun Bae, Mailyn Ceballos

|August 13, 2025

概括

研究人员开发了第一个深红色欧欧平面波导激光器,使用液相Epitaxy. 这种新型激光器在704.7纳米处运行,传播损失低,为先进的光子应用提供了潜力.

科学领域:

光子学和激光技术的发展
材料科学材料科学材料科学
固态物理固态物理

背景情况:

在深红光谱中运行的高效固态激光器的开发对于各种光子应用至关重要.
欧添加材料由于其特有的发光特性,具有红色发射的潜力.

研究的目的:

报道了第一个深红色欧欧平面波导激光器.
对激光应用的Eu:KY(WO4) 2表轴层的性能和性能进行研究.

主要方法:

厚度为30μm的表皮生长,在未使用药物的基板上使用K2W2O7溶剂的液相表皮生长,在11.5%的Eu:KY(WO4) 2层上使用K2W2O7溶剂.
生长层的形态学,振动学和光谱学属性的表征.
用532nm绿色激光对波导激光器进行光学送,以评估输出功率,斜率效率和值.

主要成果:

在704.7nm达到7mW的最大输出功率,斜率效率为9.5%,激光值为21mW.
证明波导传播损失低,为0.05 dB/cm.
测量了1.76 × 10^-20 cm^2的刺激发射截面,用于5D0 → 7F4过渡,发光寿命为472 μs.

结论:

成功制造并演示了第一个深红色欧平面波导激光器.
欧:KY(WO4) 2表轴层表现出有希望的光学特性,用于高效的深红激光操作.
低传播损失和高刺激发射截面表明集成光学和先进激光系统的潜力.

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