期刊
OPTICS LETTERS
卷 37, 期 15, 页码 3270-3272出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.37.003270
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资金
- National Natural Science Foundation of China [10874171, 11174271]
- National Fundamental Research Program of China [2011CB00200]
- CAS
- Program for NCET
We experimentally demonstrated that infrared light imprinted with orbital angular momentum (OAM) was linearly converted into visible light using four-wave mixing (FWM) via a ladder-type configuration in Rb-85 atoms. Simultaneously, we theoretically simulated this linear conversion process, and the theoretical analysis was in reasonable agreement with the experimental results. A large single-photon detuning process was used to reduce the absorption of the atoms to the up-converted light and to avoid pattern formation in the FWM process. The multi-mode image linear conversion process is important for applications including image communications, astrophysics, and quantum information. (C) 2012 Optical Society of America
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