Abstract
Efficient optical parametric amplification of a frequency-upconverted output of a photonic-crystal fiber (PCF) is demonstrated using a double-pass parametric amplifier pumped by second-harmonic pulses of a Ti:sapphire laser. Such an amplifier provides gain factors in excess of for the blueshifted PCF output, generating wavelength-tunable light pulses within the spectral range from . Parametrically amplified pulses have a peak power up to and a pulse width of about at a repetition rate of , providing an average power up to .
© 2006 Optical Society of America
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