Broadband mid-infrared frequency upconversion and spectroscopy with an aperiodically poled LiNbO3 waveguide.
Broadband mid-infrared frequency upconversion and spectroscopy with an aperiodically poled LiNbO3 waveguide.
复制标题
DOI：
10.1364/ol.37.004332
复制
发表时间：
2012-10
期刊：
影响因子：
3.6
通讯作者：
T. Neely;L. Nugent-Glandorf;F. Adler;S. Diddams
中科院分区：
文献类型：
--
作者：
T. Neely;L. Nugent-Glandorf;F. Adler;S. Diddams
在非周期极化ZnO：LiNbO（3）波导中，用1.064 μm连续激光器和频，实现了中红外梳状波到近红外波段的转换。在单个器件中展示了2.5-4.5 μm到0.76-0.86 μm范围内的光的上转换，并且在该带宽上测量了转换效率。我们还表征了上转换光的空间模式。然后，我们使用这种上转换技术来检测和解决单个线从甲烷气体样品与一个共同的近红外光谱分析仪。分析了上转换光的光谱的稳定性，目的是评估这种技术用于精确的光谱测量。
We convert a mid-infrared frequency comb to near-infrared wavelengths through sum-frequency generation with a 1.064 μm CW laser in an aperiodically poled ZnO:LiNbO(3) waveguide. Upconversion of light in the range of 2.5-4.5 μm to 0.76-0.86 μm is demonstrated in a single device, and the efficiency of the conversion is measured across this bandwidth. We additionally characterize the spatial mode of the upconverted light. We then use this upconversion technique to detect and resolve individual lines from a methane gas sample with a common near-infrared optical spectrum analyzer. The stability of the spectrum of the upconverted light is analyzed with the goal of evaluating this technique for precise spectroscopic measurements.