期刊
IEEE PHOTONICS TECHNOLOGY LETTERS
卷 24, 期 15, 页码 1325-1327出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2012.2203011
关键词
Fiber lasers; fiber nonlinear optics; optical fiber dispersion; Raman scattering; supercontinuum generation
We demonstrate the generation of a spectrally flat continuous wave supercontinuum by pumping deep in the normal dispersion region. A Raman cascade forms up to the anomalous dispersion region, where modulation instability supercontinuum dynamics are initiated. The Raman cascade seeds the frequency up-shifted part of the continuum, leading to a spectral flatness of 5 dB from 1.15 to 2.15 mu m.
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