作者: Zhi-Wei Wang , Xi-Feng Ren , Yun-Feng Huang , Yong-Sheng Zhang , Guang-Can Guo
DOI: 10.1016/J.PHYSLETA.2005.06.083
关键词:
摘要: Abstract We present an experimental demonstration to manipulate the width and position of down-converted beam waist. Our results can be used engineer two-photon orbital angular momentum (OAM) entangled states (such as concentrating OAM states) generate Hermite–Gaussian (HG) modes states.