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 $65\mathrm{mW}$ $150\mathrm{fs}$ $100\mathrm{kHz}$ second-harmonic pulses of a Ti:sapphire laser. Such an amplifier provides gain factors in excess of ${10}^3$ for the blueshifted PCF output, generating wavelength-tunable light pulses within the spectral range from $420\text{to}650\mathrm{nm}$. Parametrically amplified pulses have a peak power up to $250\mathrm{kW}$ and a pulse width of about $200\mathrm{fs}$ at a repetition rate of $100\mathrm{kHz}$, providing an average power up to $5\mathrm{mW}$.

© 2006 Optical Society of America

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