Preprint Article Version 1 This version is not peer-reviewed

Generation and Nonlinear Frequency Conversion of Nanosecond Cylindrical Vector Beams in Two-Mode Fiber

Version 1 : Received: 16 May 2019 / Approved: 17 May 2019 / Online: 17 May 2019 (11:11:32 CEST)

How to cite: Zhang, W.; Zhang, L.; Li, X.; Lu, F.; Meng, C.; Liu, M.; Yang, D.; Mei, T. Generation and Nonlinear Frequency Conversion of Nanosecond Cylindrical Vector Beams in Two-Mode Fiber. Preprints 2019, 2019050224 (doi: 10.20944/preprints201905.0224.v1). Zhang, W.; Zhang, L.; Li, X.; Lu, F.; Meng, C.; Liu, M.; Yang, D.; Mei, T. Generation and Nonlinear Frequency Conversion of Nanosecond Cylindrical Vector Beams in Two-Mode Fiber. Preprints 2019, 2019050224 (doi: 10.20944/preprints201905.0224.v1).

Abstract

We present the generation and nonlinear frequency conversion of nanosecond cylindrical vector beams (CVBs) in two-mode fiber (TMF). Based on the polarized dependence vector mode coupling characteristic and the precise wavelength tunability of an acoustically-induced fiber grating (AIFG), the nanosecond cylindrical vector beams (CVBs, 1064 nm, 10 ns) is directly generated in a TMF with convenient switching characteristics between the radial and azimuthal vector beams. Furthermore, the stimulated Raman scattering (SRS) is produced based on the transmission of the nanosecond CVBs in the 100-meters long TMF, and the spatial intensity and polarization distributions characteristics the 1st-order Stokes shifted component is consistent with the nanosecond CVBs pump pulse. This work provides a method for achieving wavelength conversion of the CVBs in optical fiber.

Subject Areas

cylindrical vector beam, stimulated Raman scatting, Stokes shift.

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