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Intermodal four-wave mixing in a higher-order-mode fiber
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View: Figures


Image of FIG. 1.
FIG. 1.

(a) Calculated effective refractive indices of the LP01 (solid) and the LP02 (dashed) modes. (b) Propagation constant mismatch, Δβ, as a function of Stokes shift Ω, for pump wavelength at 1064 nm. The dashed line indicates the phase matching condition. Calculated anti-Stokes wavelength (c) and Stokes wavelength (d) as functions of the pump wavelength. The dashed line indicates the center pump wavelength.

Image of FIG. 2.
FIG. 2.

Output spectra after 1.75 m of HOM fiber with input pulse energies of 11, 14, and 21 nJ. Inset: Spectrum of the Stokes light at input energy of 21 nJ.

Image of FIG. 3.
FIG. 3.

Measured spatial profiles of the anti-Stokes light at 941 nm and the Stokes light at 1225 nm, magnified by a factor of 100. Note that the vertical axes are in logarithmic scale. (Adapted from Ref. 19. Copyright 2012, The Optical Society.)

Image of FIG. 4.
FIG. 4.

Measured second-order intensity autocorrelation traces of the anti-Stokes pulse (a) and Stokes pulse (b) at input pulse energy of 21 nJ. (Adapted from Ref. 19. Copyright 2012, The Optical Society.)


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Intermodal four-wave mixing in a higher-order-mode fiber