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Manipulating quantum states with aspheric lenses

Zhi-Wei Wang·Xi-Feng Ren·Yun-Feng Huang·Yong-Sheng Zhang·Guang-Can Guo
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Abstract

We present an experimental demonstration to manipulate the width and position of the down-converted beam waist. Our results can be used to engineer the two-photon orbital angular momentum (OAM) entangled states (such as concentrating OAM entangled states) and generate Hermite-Gaussian (HG) modes entangled states.

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Zhi-Wei Wang, Xi-Feng Ren, Yun-Feng Huang, Yong-Sheng Zhang, Guang-Can Guo. 2005-07-11. Manipulating quantum states with aspheric lenses. https://doi.org/10.1016/j.physleta.2005.06.083

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