Abstract

We demonstrate a $10\mathrm{Gbit}∕\mathrm{s}$ nonreturn-to-zero wavelength converter based on four-wave mixing in a $20\mathrm{m}$ highly nonlinear photonic crystal fiber. The tunable wavelength conversion bandwidth $\left(3\mathrm{dB}\right)$ is about $100\mathrm{nm}$. The conversion efficiency is $-16\mathrm{dB}$ when the pump power is $22.5\mathrm{dBm}$. Phase modulation was not used to suppress the stimulated Brillouin scattering; thus the linewidth of the converted wavelength remained very narrow. The eye diagrams show that there is no additional noise during wavelength conversion. The measured power penalty at a ${10}^{-9}\text{\hspace{0.17em} bit}$-error-rate level is about $0.7\mathrm{dB}$.

© 2005 Optical Society of America

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