Chinese Optics Letters, 2019, 17 (3): 031901, Published Online: Mar. 8, 2019  

Absorption saturation measurement using the tapered optical nanofiber in a hot cesium vapor Download: 559次

Author Affiliations
1 State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Laser Spectroscopy, Shanxi University, Taiyuan 030006, China
2 Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan 030006, China
3 College of Physics and Electronics Engineering, Shanxi University, Taiyuan 030006, China
Abstract
We report the observation of ultralow-power absorption saturation in a tapered optical fiber (TOF) mounted in a hot cesium (Cs) vapor in a vacuum chamber. The small optical mode area of TOF produces a great influence on optical properties, allowing optical interactions with nanowatt-level power. The comparison of transmission characteristics for the TOF system and free-space vapor is investigated at different input power and atomic density. The unique performance of the Cs-TOF system makes it a promising candidate in resonant nonlinear optical applications with ultralow power.

Zixuan Song, Xingyu Yue, Yu Luo, Haodong Li, Yanting Zhao. Absorption saturation measurement using the tapered optical nanofiber in a hot cesium vapor[J]. Chinese Optics Letters, 2019, 17(3): 031901.

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