期刊
OPTICS LETTERS
卷 39, 期 4, 页码 743-746出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.39.000743
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- ONR [N00014-11-1-0133, N00014-11-1-0098]
Fiber-optic parametric wavelength conversion (PWC) below the zero-dispersion wavelength of silica is typically constrained by the requirement of a small, tightly confined mode with anomalous dispersion to achieve phase matching. This limits the ability to power scale PWC at arbitrary wavelengths. However, the constraint is lifted for higher-order modes. We demonstrate PWC in the 1 mu m band via degenerate four-wave mixing pumped in a large effective area (>600 mu m(2)) LP0,7 mode of a double-clad fiber. We obtain up to 25% conversion in to the Stokes line with 0.5 ns pump pulses, corresponding to similar to 20 kW peak power at the converted wavelength. (C) 2014 Optical Society of America
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