Physics – Optics
Scientific paper
2012-03-09
Physics
Optics
Submitted to OL
Scientific paper
We experimentally demonstrate an infrared light at 1529.4nm can be converted into the visible at 780nm with 54% efficiency through a ladder-type atomic configuration in Rb85. In particular, theoretically, we analyze the high efficiency is due to the large nonlinear dispersion of the index of refraction from the off-resonant enhancement in four-wave mixing process. The high efficiency using a ladder-type configuration in hot Rb85 atoms is an important advance in nonlinear optics and quantum information fields.
Ding Dong-Sheng
Guo Guang-Can
Shi Bao-Sen
Zhou Zhi-Yuan
Zou Xu-Bo
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