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  • Received: Jul. 17, 2020

    Accepted: Sep. 4, 2020

    Posted: Dec. 2, 2020

    Published Online: Dec. 28, 2020

    The Author Email: Wending Zhang (zhangwd@nwpu.edu.cn)

    DOI: 10.3788/COL202119.010603

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    Wending Zhang, Lu Zhang, Chao Meng, Feng Gao. Generation of nanosecond cylindrical vector beams in two-mode fiber and its applications of stimulated Raman scattering[J]. Chinese Optics Letters, 2021, 19(1): 010603

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Chinese Optics Letters, Vol. 19, Issue 1, 010603 (2021)

Generation of nanosecond cylindrical vector beams in two-mode fiber and its applications of stimulated Raman scattering

Wending Zhang1,*, Lu Zhang1, Chao Meng1, and Feng Gao2

Author Affiliations

  • 1MOE Key Laboratory of Material Physics and Chemistry under Extraordinary Conditions and Shaanxi Key Laboratory of Optical Information Technology, School of Physics Science and Technology, Northwestern Polytechnical University, Xi’an 710072, China
  • 2MOE Key Laboratory of Weak-Light Nonlinear Photonics, TEDA Applied Physics Institute and School of Physics, Nankai University, Tianjin 300457, China

Abstract

We present the generation of the nanosecond cylindrical vector beams (CVBs) in a two-mode fiber (TMF) and its applications of stimulated Raman scattering. The nanosecond (1064 nm, 10 ns, 10 Hz) CVBs have been directly produced with mode conversion efficiency of ~18 dB (98.4%) via an acoustically induced fiber grating, and then the stimulated Raman scattering signal is generated based on the transmission of the nanosecond CVBs in a 100-m-long TMF. The transverse mode intensity and polarization distributions of the first-order Stokes shift component (1116.8 nm) are consistent with the nanosecond CVBs pump pulse.

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