Simultaneous spatial and spectral transparency in ultralong fiber lasers |
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Authors: | Ania-Castañón J D Karalekas V Harper P Turitsyn S K |
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Affiliation: | Photonics Research Group, School of Engineering and Applied Science, Aston University, Birmingham, United Kingdom. |
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Abstract: | We demonstrate that ultralong Raman lasers can be used to generate a transmission medium with simultaneous transparency over the spatial and the spectral domains. Numerical calculations show this cross-domain transparency to be preserved when the medium is used for transmitting high-intensity signals, which makes ultralong lasers an ideal experimental test bed for the study of multifrequency nonlinear interactions in optical fiber waveguides. Full spatiospectral transparency is experimentally obtained over a 20 nm x 20 km window. |
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