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arXiv · 1306.2205

Observation of Rb Two-Photon Absorption Directly Excited by an Erbium-Fiber-Laser-Based Optical Frequency Comb via Spectral Control

Jiutao Wu·Dong Hou·Xiaoliang Dai·Zhengyu Qin·Zhigang Zhang·Jianye Zhao
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Abstract

We demonstrated the observation of Rb two-photon absorption directly excided by an optical frequency comb at fiber communication bands. A chain of comb spectral control is elaborately implemented to increase the power of the second harmonic optical frequency comb generation and the two-photon transition strength. A two-photon transition spectrum is obtained with clearly resolved transition lines. It provides a potential approach to realize the optical frequency comb or optical clock at ~1.5μm with high stability and accuracy.

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Jiutao Wu, Dong Hou, Xiaoliang Dai, Zhengyu Qin, Zhigang Zhang, Jianye Zhao. 2013-06-10. Observation of Rb Two-Photon Absorption Directly Excited by an Erbium-Fiber-Laser-Based Optical Frequency Comb via Spectral Control. https://doi.org/10.1103/physreva.89.041402

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