Kilohertz-resolution spectroscopy of cold atoms with an optical frequency comb.
Kilohertz-resolution spectroscopy of cold atoms with an optical frequency comb.
复制标题
使用光学频率梳对冷原子进行千赫兹分辨率光谱分析。
DOI：
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发表时间：
2006
影响因子：
8.6
通讯作者：
L. Hollberg
中科院分区：
文献类型：
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作者：
T. Fortier;Y. Coq;J. Stalnaker;D. Ortega;S. Diddams;C. Oates;L. Hollberg
我们已经进行了亚多普勒光谱上的冷钙原子的窄相互结合线使用的飞秒激光频率comb.Injection锁定的飞秒梳的657 nm的二极管激光器的放大输出允许两个制度的放大，一个在其中许多线的梳放大，和一个单一的线主要是放大。在两个制度中的激光器的输出被用来执行千赫兹级光谱。该实验证明了使用单个高精细光学参考腔在频率梳输出的整个频谱上进行高分辨率绝对频率光谱的潜力。
We have performed sub-Doppler spectroscopy on the narrow intercombination line of cold calcium atoms using the amplified output of a femtosecond laser frequency comb. Injection locking of a 657-nm diode laser with a femtosecond comb allows for two regimes of amplification, one in which many lines of the comb are amplified, and one where a single line is predominantly amplified. The output of the laser in both regimes was used to perform kilohertz-level spectroscopy. This experiment demonstrates the potential for high-resolution absolute-frequency spectroscopy over the entire spectrum of the frequency comb output using a single high-finesse optical reference cavity.