Inter-modal four-wave mixing study in a two-mode fiber

Søren Michael Mørk Friis, I. Begleris, Y. Jung, Karsten Rottwitt, P. Petropoulos, D. J. Richardson, P. Horak, F. Parmigiani

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    We demonstrate efficient four-wave mixing among different spatial modes in a 1-km long two-mode fiber at telecommunication wavelengths. Two pumps excite the LP01 and LP11 modes, respectively, while the probe signal excites the LP01 mode, and the phase conjugation (PC) and Bragg scattering (BS) idlers are generated in the LP11 mode. For these processes we experimentally characterize their phase matching efficiency and bandwidth and find that they depend critically on the wavelength separation of the two pumps, in good agreement with the numerical study we carried out. We also confirm experimentally that BS has a larger bandwidth than PC for the optimum choice of the pump wavelength separation.
    Original languageEnglish
    Article number30338
    JournalOptics Express
    Issue number26
    Number of pages12
    Publication statusPublished - 2016


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