Abstract

Nonlinear pulse propagation in long-period fiber gratings is studied with a mode-locked $Q$-switched laser pulse approximately 80 ps in duration at a wavelength of 1.05 $\mathit{\mu }\mathrm{m}$. Optical switching, pulse reshaping, and optical limiting are found at intensities in the range of 1–20 GW$/{\mathrm{cm}}^2$.

© 1997 Optical Society of America

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