Managing orbital angular momentum in second-harmonic generation

Si Min Li*, Ling Jun Kong, Zhi Cheng Ren, Yongnan Li, Chenghou Tu, Hui Tian Wang

*此作品的通讯作者

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48 引用 (Scopus)

摘要

We propose a convenient approach for managing orbital angular momentum (OAM) of second-harmonic photons generated by a quadratic nonlinear interaction under noncolinear type-I phase matching condition. Since the OAMs of two fundamental photons can be flexibly controlled by using computer-generated holograms, we were able to realize arbitrary combination of both OAMs and experimentally confirm the OAM conservation selection rule ℓ =ℓω′+ℓω′′ in general cases. In particular, our approach could be used to generate the second-harmonic photon states with fractional and odd-order OAMs.

源语言英语
文章编号035801
期刊Physical Review A - Atomic, Molecular, and Optical Physics
88
3
DOI
出版状态已出版 - 3 9月 2013
已对外发布

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Li, S. M., Kong, L. J., Ren, Z. C., Li, Y., Tu, C., & Wang, H. T. (2013). Managing orbital angular momentum in second-harmonic generation. Physical Review A - Atomic, Molecular, and Optical Physics, 88(3), 文章 035801. https://doi.org/10.1103/PhysRevA.88.035801