Four-Wave Optical Parametric Amplification in a Raman-Active Gas
AbstractFour-wave optical parametric amplification (FWOPA) in a Raman-active medium is experimentally investigated by use of an air-filled hollow fiber. A femtosecond pump pulse shorter than the period of molecular motion excites the coherent molecular motion of the Raman-active molecules during the parametric amplification of a signal pulse. The excited coherent motion modulates the frequency of the signal pulse during the parametric amplification, and shifts it to lower frequencies. The magnitude of the frequency redshift depends on the pump intensity, resulting in intensity-dependent spectral characteristics that are different from those in the FWOPA induced in a noble-gas-filled hollow fiber. View Full-Text
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Kida, Y.; Imasaka, T. Four-Wave Optical Parametric Amplification in a Raman-Active Gas. Photonics 2015, 2, 933-945.
Kida Y, Imasaka T. Four-Wave Optical Parametric Amplification in a Raman-Active Gas. Photonics. 2015; 2(3):933-945.Chicago/Turabian Style
Kida, Yuichiro; Imasaka, Totaro. 2015. "Four-Wave Optical Parametric Amplification in a Raman-Active Gas." Photonics 2, no. 3: 933-945.