We present a novel Fiber Optical Parametric Amplifier (FOPA) setup that is pumped by chirped femtosecond pulses from an Ytterbium fiber laser. We use this scheme to generate a power of 440 mW at the idler wavelength of 1280 nm and 600 mW at the signal wavelength of 900 nm. By tuning the central wavelength of the pump laser by 8 nm the idler wavelength can be tuned by 135 nm. The spectra support pulse durations down to 50 fs.
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