Noncollinear optical parametric amplification in potassium titanyl phosphate pumped at $\mathsf{800}\mathsf{nm}$

Abstract

The generation of broadband tunable optical pulses is demonstrated in the range of $1050–1300\mathrm{nm}$ with noncollinear optical parametric amplification of white-light seed pulses in potassium titanyl phosphate (${\mathrm{KTiOPO}}_4$). Pulse bandwidths of $50\mathrm{nm}$ ($12\mathrm{THz}$) are demonstrated with pulse energies up to $20\mathrm{\mu J}$ when pumped with $500\mathrm{\mu J}$, $150\mathrm{fs}$ pulses centered at $802\mathrm{nm}$. The required signal–pump angles range from $1.9°$ to $5.0°$. The pulse duration was $60\mathrm{fs}$ after compression.

© 2008 Optical Society of America

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