Phase-matched third-harmonic generation in highly germanium-doped fiber |
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Authors: | Bencheikh K Richard S Mélin G Krabshuis G Gooijer F Levenson J A |
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Institution: | Laboratoire de Photonique et de Nanostructures CNRS-UPR 020, Marcoussis, France. kamel.bencheikh@lpn.cnrs.fr |
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Abstract: | Phase-matched third-harmonic generation is demonstrated in a germanium-doped optical fiber. Green light at 514.4 nm is generated in an LP(03) mode when a pump field at ~1543.3 nm is launched into the fiber in the fundamental LP(01) mode. The phase matching is achieved for a particular combination of the germanium doping concentration and the fiber core diameter. |
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