| ATOMIC AND MOLECULAR PHYSICS |
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Measurement of Zeeman Shift of Cesium Atoms Using an Optical Nanofiber |
| Chuan-Biao Zhang1,2, Dian-Qiang Su1,2, Zhong-Hua Ji1,2, Yan-Ting Zhao1,2**, Lian-Tuan Xiao1,2, Suo-Tang Jia1,2 |
1State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Laser Spectroscopy, Shanxi University, Taiyuan 030006
2Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan 030006
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| Cite this article: |
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Chuan-Biao Zhang, Dian-Qiang Su, Zhong-Hua Ji et al 2018 Chin. Phys. Lett. 35 083201 |
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Abstract Nanofibers have many promising applications because of their advantages of high power density and ultralow saturated light intensity. We present here a Zeeman shift of the Doppler-broadened cesium D$_2$ transition using a tapered optical nanofiber in the presence of a magnetic field. When a weak magnetic field is parallel to the propagating light in the nanofiber, the Zeeman shift rates for different circularly polarized spectra are observed. For the $\sigma^{+}$ component, the typical linear Zeeman shift rates of $F=3$ and $F=4$ ground-state cesium atoms are measured to be 3.10($\pm$0.19) MHz/G and 3.91($\pm$0.16) MHz/G. For the $\sigma^{-}$ component, the values are measured to be $-$2.81($\pm$0.25) MHz/G, and $-$0.78($\pm$0.28) MHz/G. The Zeeman shift using the tapered nanofiber can help to develop magnetometers to measure the magnetic field at the narrow local region and the dispersive signal to lock laser frequency.
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Received: 17 May 2018
Published: 15 July 2018
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| PACS: |
32.60.+i
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(Zeeman and Stark effects)
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32.10.Fn
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(Fine and hyperfine structure)
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81.07.-b
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(Nanoscale materials and structures: fabrication and characterization)
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| Fund: Supported by National Key Research and Development Program of China under Grant No 2017YFA0304203, the National Natural Science Foundation of China under Grant Nos 61675120 and 11434007, the National Natural Science Foundation of China for Excellent Research Team under Grant No 61121064, the Shanxi Scholarship Council of China, the 1331KSC, the PCSIRT under Grant No IRT13076, and the Applied Basic Research Project of Shanxi Province under Grant No 201601D202008. |
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