DDF-based all-fiber optical source of femtosecond pulses smoothly tuned in the telecommunication range
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- Andrianov, A.V., Muraviev, S.V., Kim, A.V. et al. Laser Phys. (2007) 17: 1296. doi:10.1134/S1054660X07110047
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The possibility of the creation of an optical source of femtosecond pulses that are smoothly tuned in the telecommunication range using a dispersion-decreasing fiber is demonstrated. The smooth tuning is based on the Raman frequency conversion of ultrashort pulses, which can be effectively tuned due to the compression mechanism for maintaining of a relatively high pulse intensity in the medium with a monotonically decreasing anomalous dispersion. The generation of a 90-fs soliton pulse whose spectrum is smoothly tuned in the wavelength range 1.6–1.8 μm is experimentally demonstrated.