Dispersion-modulation by high material loss in microstructured polymer optical fibers.
The influence of strong loss peaks on the dispersion (through the Kramers-Kronig relations) of a nonlinear waveguide is investigated theoretically. It is found specifically for degenerate four-wave mixing in a poly(methyl methacrylate) microstructured polymer optical fiber that the loss-induced dispersion significantly modifies the wavelengths for which there is phase-match. Depending on the pump wavelength, the waveguide dispersion, and the loss peaks, it is possible for the output spectrum to either be unaffected by the loss-induced dispersion modulation, or to show an increase in the efficiency of nonlinear spectral broadening, compared to the expected efficiency when ignoring the loss-induced dispersion modulation.
Frosz
Michael H
MH
DTU Fotonik, Department of Photonics Engineering, Technical University of Dennmark, Ørsteds Plads 343, DK-2800 Kgs. Lyngby, Denmark. mhfr@fotonik.dtu.dk
D017076:Computer-Aided Design; D004735:Energy Transfer; D004867:Equipment Design; D019544:Equipment Failure Analysis; D008027:Light; D008904:Miniaturization; D055100:Optical Fibers; D011109:Polymethacrylic Acids / Q000737:chemistry*; D015203:Reproducibility of Results; D012542:Scattering, Radiation; D012680:Sensitivity and Specificity
D011109:Polymethacrylic Acids; C030613:polymethacrylic acid