DataVXAIP AdvancesPaper
journal article·2020-01-01Open access

Modulation of the optical beam with orbital angular momentum in hot atomic rubidium vapor

Lei Zeng, Ming-Xin Dong, Ying-Hao Ye, Yi-Chen Yu, En-Ze Li, Wei-Hang Zhang, Kan Zhang, Dong-Sheng Ding, Bao-Sen Shi

AIP Advances· Volume 10· Issue 1
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Source abstract

Abstract

The effect of self-focusing and defocusing of the optical beam, which is caused by the interaction between a strong light field and medium, plays an important role in nonlinear optics. The difference in the spatial structure of the strong control beam with orbital angular momentum (OAM) and the Gaussian mode will have different effects on self-focusing and defocusing, which has the potential for realizing the modulation of the self-focusing and the defocusing process of the probe light with OAM. In this work, we report the influence of the spatial structure of the control beam on the self-focusing and defocusing process of the probe beam in a hot rubidium vapor cell with a lambda-type configuration. Under the same experimental condition, the control beam with the Laguerre-Gaussian mode contributes more to self-defocusing, while the Gaussian mode promotes the defocusing effect. The result is promising for manipulating the optical beam with OAM.
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Research context

OpenAlex topics: Quantum optics and atomic interactions · Laser-Matter Interactions and Applications · Cold Atom Physics and Bose-Einstein Condensates

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Key Laboratory of Quantum Information, University of Science and Technology of China 1 , Hefei, Anhui 230026, China

Synergetic Innovation Center of Quantum Information and Quantum Physics, University of Science and Technology of China 2 , Hefei, Anhui 230026, China

Department of Fundamental Education, Anhui Institute of Information Technology 3 , Wuhu, Anhui 241002, China

Wang Da-Heng Collaborative Innovation Center for Science of Quantum Manipulation and Control, Heilongjiang Province and Harbin University of Science and Technology 4 , Harbin 150080, China

Funding

National Key R&D Program of China · Innovation Fund from CAS, Anhui Initiative in Quantum Information Technologies · Youth Innovation Promotion Association of the Chinese Academy of Sciences · National Natural Science Foundation of China

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