Generation of femtosecond optical vortex pulse in fiber based on an acoustically induced fiber grating

Wending Zhang, Keyan Wei, Dong Mao, Heng Wang, Feng Gao, Ligang Huang, Ting Mei, Jianlin Zhao

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46 引用 (Scopus)

摘要

We proposed a method for generation of a femtosecond optical vortex pulse in a two-mode fiber based on an acoustically induced fiber grating (AIFG) driven by a radio frequency source. Theoretical analysis and experimental results demonstrated that the left- and right-handed circular polarization fundamental modes of the femtosecond optical pulse could be converted to the linearly polarized ±1-order optical vortex modes through the AIFG with the mode conversion efficiency of ∼95%. The off-axial interference experiment and the polarization angle-dependent intensity examination were performed to verify the topological charge and the polarization state of the femtosecond optical vortex, respectively.

源语言英语
页(从-至)454-457
页数4
期刊Optics Letters
42
3
DOI
出版状态已出版 - 1 2月 2017

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