期刊
OPTICS LETTERS
卷 39, 期 11, 页码 3246-3249出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.39.003246
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- U.S. Department of Energy [DE-SC0010064]
- U.S. Department of Energy (DOE) [DE-SC0010064] Funding Source: U.S. Department of Energy (DOE)
We report on the generation of supercontinuum radiation from 2 to 20 mu m in a 67 mm long GaAs crystal pumped by a train of 3 ps CO2 laser pulses. Temporal measurements indicate that sub-picosecond pulse splitting is involved in the production of such wide-bandwidth radiation in GaAs. The results show that the observed spectral broadening is heavily influenced by four-wave mixing and stimulated Raman scattering. (C) 2014 Optical Society of America
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